Tag Archives: portable screw

China Best Sales Portable Industrial High Pressure Screw Air Compressor with Good quality

Product Description

The machine can meet the demands of overloading use and stands up to the most severe filed environment. Meanwhile, it also can reduce fuel consumption,which greatly cut down the operation cost. Subsided  structure to install the oil tank, placed around each one, Increase oil reserves, make the add oil time interval longer, the weight on both sides are  balanced. Tank not in the case, make the space more and not only bring convenience to maintenance service, noise is reduced accordingly, but also giving the customer a good value feeling.
Advantage:
1. High Reliability
Less compressor parts, without wearing parts, so it is reliable, long life, overhaul interval is up to 40 to 80 thousand hours.
2. Easy Operation and Maintenance
A high degree of automation, the operator does not have to go through a long period of professional training, can achieve unattended operation.
3. The Power Balance is Good
There is no unbalanced inertia force, can smoothly high-speed operation, can achieve no basic operation, especially suitable for portable compressors, small size, light weight, small footprint.
4. Strong Adaptability
With a mandatory gas transmission characteristics, the volume flow is almost free from the impact of exhaust pressure, in a wide range of speed to maintain high efficiency

COMPS COMPRESSOR (HangZhou) Co., Ltd is located in HangZhou of China. The company covers about 185177632

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Movable Type
Customization:
Available

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air compressor

Are there special considerations for air compressor installations in remote areas?

Yes, there are several special considerations to take into account when installing air compressors in remote areas. These areas often lack access to infrastructure and services readily available in urban or well-developed regions. Here are some key considerations:

1. Power Source:

Remote areas may have limited or unreliable access to electricity. It is crucial to assess the availability and reliability of the power source for operating the air compressor. In some cases, alternative power sources such as diesel generators or solar panels may need to be considered to ensure a consistent and uninterrupted power supply.

2. Environmental Conditions:

Remote areas can present harsh environmental conditions that can impact the performance and durability of air compressors. Extreme temperatures, high humidity, dust, and corrosive environments may require the selection of air compressors specifically designed to withstand these conditions. Adequate protection, insulation, and ventilation must be considered to prevent damage and ensure optimal operation.

3. Accessibility and Transport:

Transporting air compressors to remote areas may pose logistical challenges. The size, weight, and portability of the equipment should be evaluated to ensure it can be transported efficiently to the installation site. Additionally, the availability of suitable transportation infrastructure, such as roads or air transportation, needs to be considered to facilitate the delivery and installation process.

4. Maintenance and Service:

In remote areas, access to maintenance and service providers may be limited. It is important to consider the availability of trained technicians and spare parts for the specific air compressor model. Adequate planning for routine maintenance, repairs, and troubleshooting should be in place to minimize downtime and ensure the longevity of the equipment.

5. Fuel and Lubricants:

For air compressors that require fuel or lubricants, ensuring a consistent and reliable supply can be challenging in remote areas. It is necessary to assess the availability and accessibility of fuel or lubricant sources and plan for their storage and replenishment. In some cases, alternative or renewable fuel options may need to be considered.

6. Noise and Environmental Impact:

Remote areas are often characterized by their natural beauty and tranquility. Minimizing noise levels and environmental impact should be a consideration when installing air compressors. Selecting models with low noise emissions and implementing appropriate noise reduction measures can help mitigate disturbances to the surrounding environment and wildlife.

7. Communication and Remote Monitoring:

Given the remote location, establishing reliable communication channels and remote monitoring capabilities can be essential for effective operation and maintenance. Remote monitoring systems can provide real-time data on the performance and status of the air compressor, enabling proactive maintenance and troubleshooting.

By addressing these special considerations, air compressor installations in remote areas can be optimized for reliable operation, efficiency, and longevity.

air compressor

How are air compressors employed in the mining industry?

Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:

1. Exploration and Drilling:

Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.

2. Ventilation and Air Quality Control:

Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.

3. Material Conveyance:

In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.

4. Dust Suppression:

Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.

5. Instrumentation and Control:

Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.

6. Explosive Applications:

In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.

7. Maintenance and Repair:

Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.

It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.

By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.

air compressor

What is the difference between a piston and rotary screw compressor?

Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:

1. Operating Principle:

  • Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
  • Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.

2. Compression Method:

  • Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
  • Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.

3. Efficiency:

  • Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
  • Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.

4. Noise Level:

  • Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
  • Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.

5. Maintenance:

  • Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
  • Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.

6. Size and Portability:

  • Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
  • Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.

These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.

China Best Sales Portable Industrial High Pressure Screw Air Compressor   with Good qualityChina Best Sales Portable Industrial High Pressure Screw Air Compressor   with Good quality
editor by CX 2023-10-09

China Best Sales Hf15/13 (H) Diesel Screw Air Compressor Portable Compressor air compressor parts

Product Description

Product Description    

Application

Hanfa group through the continuous pursuit of technological innovation, to meet the needs of market development, in the original mobile screw air compressor series is developed on the basis of smaller size, the layout more reasonable, more cost-effective new mobile screw series. Comprehensive performance is good, the more efficient is widely used in drilling, pipeline pressure test and related fields.For cold area can also be optional liquid fuel oil heater, through the pulmonary circulation cooling heating cylinder diesel engine, thus allowing you to start.

Features

1.High reliability

All the main parts and components are made by CHINAMFG enterprises at home and abroad with reliable quality. Pressure, force constant, flow stable; Realize the displacement from 0 to 100% T continued from section II, high efficiency, energy saving, stable and reliable;

2.Convenience

Small volume, light weight, low noise;Compact, easy to transport, covers an area of less, also can enter in narrow condition, out freely, reduce transportation costs.All the door design, ensure the wide operation space, convenient maintenance and repair. To save time, improve efficiency.

3.To adapt to the environment

This air compressor to ensure that the cold temperature, oxygen condition can also be a perfect start, satisfy the bearing and all kinds of bad working condition of using the environment. For customers to solve the has the worry, greatly improve the work efficiency.

4.Comprehensive monitoring

Equipment running state can be comprehensive monitoring;Control panel, in both Chinese and English interface is concise, clear, equipment running status be clear at a glance, the operation is convenient, and equipped with automatic stop function with regard to the guarantee the safety of person, machine.
Technical Data

name HF15(H) HF13(H)
compressor Displacement 12(m/min) 15(m/min)
  Exhaust pressure 12(bar) 13(bar)
  Compression level Single-stage Single-stage
  Gas tank volume 120(bar) 130(bar)
  Screw oil quantity 60(l) 65(l)

diesel engine

Engine manufacturer Xihu (West Lake) Dis.feng Cummins Xihu (West Lake) Dis.feng Cummins
  engine model 6BTA5.9-C180 6BTA5.9-C180
  Number of cylinders 6 6
  rated power 132(kw) 132(kw)
  Rated speed 2200(rpm) 2200(rpm)
  Idling speed 1400(rpm) 1400(rpm)
  Diesel engine lubricants 18(l) 18(l)
  Coolant volume 40(l) 40(l)
  Fuel tank volume 335(l) 335(l)

unit

Battery 6-QW-135MF*2 6-QW-135MF*2
  Connection size 1-G2″,1-G1″, 1-G2″,1-G1″,
  transfer method Coupling direct coupling Coupling direct coupling
  long 4200(mm) 4200(mm)
  width 1980(mm) 1980(mm)
  high 2210(mm) 2210(mm)
  Total Weight 2700(kg) 2700(kg)
  Unit walking mode Two rounds of movement Two rounds of movement

Working Site

Company Introduction
Hanfa Group established in 1998 is a key enterprise in the industry of geological exploration and water well field, with the ability to research,manufacture and market. Now, the Group pursues high standard manufacturing and qualified products. It has more than 20 species such as water well drilling rig, core drilling rig, engineering drilling rig, DTH drilling rig, horizontaldirectional drilling rig, etc. These machines are mainly used in geological prospecting, exploration of railway and highway engineering, mining, SPT, water well, geothermal well etc. Some of them won the Scientific and Technical Advance Prize or the National Scientific Research Achievement Prize. All the products have passed the quality system certification of ISO9001:2000 and are national inspection-free products.


1. More than 30 years of experience 
The factory is located in ZheJiang Province, China. We are very welcome to visit our factory. If
you need it, we will arrange a pick-up.
2.Top production team 
The transportation and packaging will be packaged in international standards. If you have special packaging requirements, we will give you the most suitable solution.
3.Our Service 
– New machine provides technical trair.
– Once anything goes wrong with the machine by normal using, our technical person must appear at the first time no matter where you are.
– When the machine should be maintained, you will receive the reminding from us.
– According to different geological conditions, we will recommend different construction plans for you
– Remind you which are wearing parts, so you can prepare enough.
– 24 hours respond to your quality problem.

FAQ
1,Are you trading company or manufacturer?

We are professional manufacturer, and our factory mainly produce water well drilling rig, core drilling rig, DTH drilling rig, piling rig, etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and get a good reputation in the world.

2,Are your products qualified?
Yes, our products all have gained ISO certificate,and we have specialized quality inspection department for checking every machine before leaving our factory.

3,How about your machine quality? 
All of our machines hold the ISO, QC and TUV certificate, and each set of machine must pass a great number of strict testing in order to offer the best quality to our customers.

4,Do you have after service?
Yes, we have special service team which will offer you professional guidance. If you need, we can send our engineer to your worksite and provid the training for your staff.

5,What about the qaulity warranty? 
We offer one-year quality warranty for machines’ main body.

6,How long can you deliver the machine? 
Generally, we can deliver the machine in 7 days.

Our Customers

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: Diesel Engine
Samples:
US$ 15000/Set
1 Set(Min.Order)

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Order Sample

Customization:
Available

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air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

How are air compressors used in refrigeration and HVAC systems?

Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:

1. Refrigerant Compression:

In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.

2. Refrigeration Cycle:

The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.

3. HVAC Cooling and Heating:

In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.

4. Air Conditioning:

Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.

5. Compressor Types:

Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.

6. Energy Efficiency:

Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.

By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.

air compressor

Can you explain the basics of air compressor terminology?

Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:

1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.

2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.

3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.

4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.

5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.

6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.

7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.

8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.

9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.

These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.

China Best Sales Hf15/13 (H) Diesel Screw Air Compressor Portable Compressor   air compressor partsChina Best Sales Hf15/13 (H) Diesel Screw Air Compressor Portable Compressor   air compressor parts
editor by CX 2023-10-04

China Best Sales Medium Compact Portable Electric Screw Compressors Construction Screw Air Compressors 90sdy-14.5 air compressor oil

Product Description

Product Description
 

Air Compressors

1.Reliable and durable with optimized control system for drastic drop of energy consumption,

2.All with EU3A compatible engines or IP54 motors.

3.Mobile locomotive hood and hood design have a strong noise reduction and attraction effect.

Details

Model Rated FDA Rated pressure Engine Air end Weight Type
90sdy-14.5 13m³/min 14.5bar 90kw / / 2wheel
75sdy-17 11m³/min 17bar 75kw / / 4wheel
141scy-15 15m³/min 15bar 140kw / / 2/4wheel
40SCY-7 4.5 m³/min 7 bar 37 KW Single Stage Compression 860 kg 2 wheel

110SCY-8 13 m³/min 8 bar 110 KW Single Stage Compression 2,450 kg 4 wheel
110SCY-10 12.5 m³/min 10 bar 110 KW Single Stage Compression 2,450 kg 4 wheel
110SCY-14.5 11 m³/min 14.5 bar 110KW Single Stage Compression 2,450 kg 2/4 wheel
118SCY-15 12m³/min 15 bar 110 KW Two Stage Compression 2,550 kg 4 wheel

Well Drilling Rig

Company Profile
HangZhou CHINAMFG Drilling Equipment Co., Ltd. mainly provides holistic drilling solutions, serving the mining, stone crushing, water conservancy drilling industry, to help you solve the problem of drilling at high efficiency and low cost. We mainly provide mobile air compressors, drilling rigs, hammer, drill bit, crushers, underground water detector.We are your trustworthy partner.

FAQ
1.Is it difficult to operate and make the graph?
The instrument is easy to operate and we will send you the detailed operation manual via email.
The detector directly mapping with 1 button, no need computer drawing mapping.

2.What is the accuracy?
Our natural electric field instruments have been made for more than 10 years, with advanced technology and market test. We have obtained many invention patents. Our customer feedback rate reaches 100%. Accuracy over 95%.
3.How about after-sales service?
2 year warranty.Free data service for life.The professional geologist give the suggestions and 24hours online.

 

Warranty: 6 Months
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Angular
Structure Type: Closed Type
Customization:
Available

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air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

air compressor

Can air compressors be used for automotive applications?

Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:

1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.

2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.

3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.

4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.

5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.

6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.

7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.

When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.

Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.

China Best Sales Medium Compact Portable Electric Screw Compressors Construction Screw Air Compressors 90sdy-14.5   air compressor oilChina Best Sales Medium Compact Portable Electric Screw Compressors Construction Screw Air Compressors 90sdy-14.5   air compressor oil
editor by CX 2023-10-01

China best 75kw Diesel Driven Screw Air Compressor Portable wholesaler

Product Description

Product description:

 

Specification:

Certifications:


 

Company Information:

HangZhou CHINAMFG Air Compressor Manufacturing Co., Ltd. is located in the logistics capital of China, 1 of the important birthplaces of Chinese civilization-HangZhou, ZheJiang Province. With professinal manufacturing experience and first -class comprehensive scientific and technological strength of the talent team, as the energy-saving compressor system leader and renowed in the industry.
 
We specializes in R & D and sales of power frequency ,permanent magnet frequency conversion ,two -stage compressor permanent magnet frequency conversion ,low -voltage and mobile screw air compressor . With a deep industry background , 1 step ahead ambition . With the professional enthusiasm for screw air compressor , team innovation , to meat the challenges of enterprise’s own determination and the rigorous attitude of excellence,products are strictly in accordance with IOS 9001 international quality procedures,to provide customers with energy -saving and reliable products .
 
We warmly welcomes people from all around the world to visit the company to guide the establishment of a wide range of business contacts and cooperation . Choosing HangZhou Atlas Air compressor Manufacturing Co.,Led.is to choose quality and service ,choose culture and taste ,choose a permanent and trustworthy partner !

FAQ:

Q1: Are you factory or trade company? 
A1: We are factory. Please check Our Company Profile.
Q2: What the exactly address of your factory? 
A2: Xihu (West Lake) Dis. Innovation Park, Zaoyuan Town, HangZhou, ZheJiang , China
Q3: Warranty terms of your machine? 
A3: 18 months warranty for the machine,technical support according to your needs.
Q4: Will you provide some spare parts of the machines? 
A4: Yes.
Q5: How long will you take to arrange production? 
A5: Deliver standard goods within 30days, Other customized goods is TBD.
Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.
 

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Horizontal
Structure Type: Closed Type
Installation Type: Movable Type
Samples:
US$ 4300/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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air compressor

How does variable speed drive technology improve air compressor efficiency?

Variable Speed Drive (VSD) technology improves air compressor efficiency by allowing the compressor to adjust its motor speed to match the compressed air demand. This technology offers several benefits that contribute to energy savings and enhanced overall system efficiency. Here’s how VSD technology improves air compressor efficiency:

1. Matching Air Demand:

Air compressors equipped with VSD technology can vary the motor speed to precisely match the required compressed air output. Traditional fixed-speed compressors operate at a constant speed regardless of the actual demand, leading to energy wastage during periods of lower air demand. VSD compressors, on the other hand, ramp up or down the motor speed to deliver the necessary amount of compressed air, ensuring optimal energy utilization.

2. Reduced Unloaded Running Time:

Fixed-speed compressors often run unloaded during periods of low demand, where they continue to consume energy without producing compressed air. VSD technology eliminates or significantly reduces this unloaded running time by adjusting the motor speed to closely follow the air demand. As a result, VSD compressors minimize energy wastage during idle periods, leading to improved efficiency.

3. Soft Starting:

Traditional fixed-speed compressors experience high inrush currents during startup, which can strain the electrical system and cause voltage dips. VSD compressors utilize soft starting capabilities, gradually ramping up the motor speed instead of instantly reaching full speed. This soft starting feature reduces mechanical and electrical stress, ensuring a smooth and controlled startup, and minimizing energy spikes.

4. Energy Savings at Partial Load:

In many applications, compressed air demand varies throughout the day or during different production cycles. VSD compressors excel in such scenarios by operating at lower speeds during periods of lower demand. Since power consumption is proportional to motor speed, running the compressor at reduced speeds significantly reduces energy consumption compared to fixed-speed compressors that operate at a constant speed regardless of the demand.

5. Elimination of On/Off Cycling:

Fixed-speed compressors often use on/off cycling to adjust the compressed air output. This cycling can result in frequent starts and stops, which consume more energy and cause mechanical wear. VSD compressors eliminate the need for on/off cycling by continuously adjusting the motor speed to meet the demand. By operating at a consistent speed within the required range, VSD compressors minimize energy losses associated with frequent cycling.

6. Enhanced System Control:

VSD compressors offer advanced control capabilities, allowing for precise monitoring and adjustment of the compressed air system. These systems can integrate with sensors and control algorithms to maintain optimal system pressure, minimize pressure fluctuations, and prevent excessive energy consumption. The ability to fine-tune the compressor’s output based on real-time demand contributes to improved overall system efficiency.

By utilizing variable speed drive technology, air compressors can achieve significant energy savings, reduce operational costs, and enhance their environmental sustainability by minimizing energy wastage and optimizing efficiency.

air compressor

How do you troubleshoot common air compressor problems?

Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:

1. No Power:

  • Check the power source and ensure the compressor is properly plugged in.
  • Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
  • Verify that the compressor’s power switch or control panel is turned on.

2. Low Air Pressure:

  • Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
  • Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
  • Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.

3. Excessive Noise or Vibration:

  • Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
  • Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
  • Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.

4. Air Leaks:

  • Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
  • Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
  • Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.

5. Excessive Moisture in Compressed Air:

  • Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
  • Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
  • Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.

6. Motor Overheating:

  • Ensure the compressor’s cooling system is clean and unobstructed.
  • Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
  • Verify that the compressor is not being operated in an excessively hot environment.
  • Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
  • Consider using a thermal overload protector to prevent the motor from overheating.

If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.

air compressor

What maintenance is required for air compressors?

Maintaining air compressors is essential to ensure their optimal performance, longevity, and safe operation. Regular maintenance helps prevent breakdowns, improves efficiency, and reduces the risk of accidents. Here are some key maintenance tasks for air compressors:

1. Regular Inspection: Perform visual inspections of the air compressor to identify any signs of wear, damage, or leaks. Inspect the compressor, hoses, fittings, and connections for any abnormalities. Pay attention to oil leaks, loose bolts, and worn-out components.

2. Oil Changes: If your air compressor has an oil lubrication system, regular oil changes are crucial. Follow the manufacturer’s recommendations for the frequency of oil changes and use the recommended oil type. Dirty or degraded oil can impact compressor performance and lead to premature wear.

3. Air Filter Cleaning or Replacement: Clean or replace the air filter regularly to ensure proper air intake and prevent contaminants from entering the compressor. Clogged or dirty filters can restrict airflow and reduce efficiency.

4. Drain Moisture: Air compressors produce moisture as a byproduct of the compression process. Accumulated moisture in the tank can lead to rust and corrosion. Drain the moisture regularly from the tank to prevent damage. Some compressors have automatic drains, while others require manual draining.

5. Belt Inspection and Adjustment: If your compressor has a belt-driven system, inspect the belts for signs of wear, cracks, or tension issues. Adjust or replace the belts as necessary to maintain proper tension and power transmission.

6. Tank Inspection: Inspect the compressor tank for any signs of corrosion, dents, or structural issues. A damaged tank can be hazardous and should be repaired or replaced promptly.

7. Valve Maintenance: Check the safety valves, pressure relief valves, and other valves regularly to ensure they are functioning correctly. Test the valves periodically to verify their proper operation.

8. Motor and Electrical Components: Inspect the motor and electrical components for any signs of damage or overheating. Check electrical connections for tightness and ensure proper grounding.

9. Keep the Area Clean: Maintain a clean and debris-free area around the compressor. Remove any dirt, dust, or obstructions that can hinder the compressor’s performance or cause overheating.

10. Follow Manufacturer’s Guidelines: Always refer to the manufacturer’s manual for specific maintenance instructions and recommended service intervals for your air compressor model. They provide valuable information on maintenance tasks, lubrication requirements, and safety precautions.

Regular maintenance is vital to keep your air compressor in optimal condition and extend its lifespan. It’s also important to note that maintenance requirements may vary depending on the type, size, and usage of the compressor. By following a comprehensive maintenance routine, you can ensure the reliable operation of your air compressor and maximize its efficiency and longevity.

China best 75kw Diesel Driven Screw Air Compressor Portable   wholesaler China best 75kw Diesel Driven Screw Air Compressor Portable   wholesaler
editor by CX 2023-09-30

China wholesaler Screw Air Compressor 20HP/15kw CHINAMFG Compression High Efficiency air compressor portable

Product Description

Q1: What information do I need to provide to get the suitable machine?
1. How much air delivery capacity ( Unit:CFM or M3/Min )
2 How much working pressure ( Unit:PSI, Bar or Mpa )
3.What is the voltage and frequency of my country of residence ( V/Hz )
4. Whether I need other accessories such as air tank, filters and/or air dryers.
Tell us the answer, we will offer scheme for you!

Q2: What are the general unit conversion?
1bar = 0.1Mpa = 14.5psi 1m³/min = 35.32cfm 1KW = 1.34HP

Q3: Are you factory or trading company?
We are factory. Our factory is located in 39 Xihu (West Lake) Dis. Rd, HangZhou, ZHangZhoug

Q4: Which trade term can you accept?
FOB, CIF, CFR, EXW, etc.

Q5: How long will you take to arrange production?
15 days for Regular Products, 35 days for Customizing Models

SPECIFICATION
 

MODEL LG-20Z-8
Ambient Temperature -5ºC to +45 ºC
Max Pressure (bar)
Air Delivery (m3/min) 2.2
Compression Stage Single Stage Compression
Cooling Method Air Cooled
Discharge Temperature (ºC) ≤ 75ºC
Oil  Cotent (ppm) ≤3
Transmission Method Direct Driven
Sound Level dB(A) 66±3
Lubricating Oil Amount 7.5L
Motor Power 15KW/20HP
Motor Level Of Protection  IP55
Voltage 380V/3ph/50Hz
Dimensions (mm) 1060×720×1005(L*W*H)
Weight 320KG
Discharge Outlet Thread 3/4”

After-sales Service: Video, Live, Site Support
Warranty: 2-Year-Warranty
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Installation Type: Stationary Type
Samples:
US$ 900/set
1 set(Min.Order)

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Request Sample

Customization:
Available

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air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

How are air compressors employed in the mining industry?

Air compressors play a crucial role in the mining industry, providing reliable and efficient power for various mining operations. Here are some common applications of air compressors in mining:

1. Exploration and Drilling:

Air compressors are used during exploration and drilling activities in the mining industry. Compressed air is used to power drilling rigs, pneumatic hammers, and other drilling equipment. The high-pressure air generated by the compressor helps in drilling boreholes, extracting core samples, and exploring potential mineral deposits.

2. Ventilation and Air Quality Control:

Air compressors are employed in underground mining to provide ventilation and control air quality. Compressed air is used to operate ventilation fans and air circulation systems, ensuring adequate airflow and removing harmful gases, dust, and fumes from the mining tunnels and work areas.

3. Material Conveyance:

In mining operations, air compressors are used for material conveyance. Pneumatic systems powered by air compressors are utilized to transport materials such as coal, ore, and other minerals. Compressed air is used to operate pneumatic conveyors, pumps, and material handling equipment, allowing for efficient and controlled movement of bulk materials.

4. Dust Suppression:

Air compressors are employed for dust suppression in mining areas. Compressed air is used to spray water or other suppressants to control dust generated during mining activities. This helps in maintaining a safe and healthy work environment, reducing the risks associated with dust inhalation and improving visibility.

5. Instrumentation and Control:

Air compressors are used for instrumentation and control purposes in mining operations. Compressed air is utilized to power pneumatic control systems, control valves, and actuators. These systems regulate the flow of fluids, control equipment movements, and ensure the proper functioning of various mining processes.

6. Explosive Applications:

In mining, air compressors are used for explosive applications. Compressed air is employed to power pneumatic tools used for rock fragmentation, such as rock drills and pneumatic breakers. The controlled power of compressed air enables safe and efficient rock breaking without the need for traditional explosives.

7. Maintenance and Repair:

Air compressors are essential for maintenance and repair activities in the mining industry. Compressed air is used for cleaning machinery, removing debris, and powering pneumatic tools for equipment maintenance and repair tasks. The versatility and portability of air compressors make them valuable assets in maintaining mining equipment.

It is important to note that different mining operations may have specific requirements and considerations when selecting and using air compressors. The size, capacity, and features of air compressors can vary based on the specific mining application and environmental conditions.

By utilizing air compressors effectively, the mining industry can benefit from increased productivity, improved safety, and efficient operation of various mining processes.

air compressor

What are the safety considerations when operating an air compressor?

Operating an air compressor requires careful attention to safety to prevent accidents, injuries, and equipment damage. Here are some important safety considerations to keep in mind:

1. Read the Manual: Before operating an air compressor, thoroughly read and understand the manufacturer’s instruction manual. Familiarize yourself with the specific safety guidelines, recommended operating procedures, and any specific precautions or warnings provided by the manufacturer.

2. Proper Ventilation: Ensure that the area where the air compressor is operated has adequate ventilation. Compressed air can produce high levels of heat and exhaust gases. Good ventilation helps dissipate heat, prevent the buildup of fumes, and maintain a safe working environment.

3. Personal Protective Equipment (PPE): Always wear appropriate personal protective equipment, including safety glasses or goggles, hearing protection, and non-slip footwear. Depending on the task, additional PPE such as gloves, a dust mask, or a face shield may be necessary to protect against specific hazards.

4. Pressure Relief: Air compressors should be equipped with pressure relief valves or devices to prevent overpressurization. Ensure that these safety features are in place and functioning correctly. Regularly inspect and test the pressure relief mechanism to ensure its effectiveness.

5. Secure Connections: Use proper fittings, hoses, and couplings to ensure secure connections between the air compressor, air tools, and accessories. Inspect all connections before operation to avoid leaks or sudden hose disconnections, which can cause injuries or damage.

6. Inspect and Maintain: Regularly inspect the air compressor for any signs of damage, wear, or leaks. Ensure that all components, including hoses, fittings, and safety devices, are in good working condition. Follow the manufacturer’s recommended maintenance schedule to keep the compressor in optimal shape.

7. Electrical Safety: If the air compressor is electric-powered, take appropriate electrical safety precautions. Use grounded outlets and avoid using extension cords unless approved for the compressor’s power requirements. Protect electrical connections from moisture and avoid operating the compressor in wet or damp environments.

8. Safe Start-Up and Shut-Down: Properly start and shut down the air compressor following the manufacturer’s instructions. Ensure that all air valves are closed before starting the compressor and release all pressure before performing maintenance or repairs.

9. Training and Competence: Ensure that operators are adequately trained and competent in using the air compressor and associated tools. Provide training on safe operating procedures, hazard identification, and emergency response protocols.

10. Emergency Preparedness: Have a clear understanding of emergency procedures and how to respond to potential accidents or malfunctions. Know the location of emergency shut-off valves, fire extinguishers, and first aid kits.

By adhering to these safety considerations and implementing proper safety practices, the risk of accidents and injuries associated with operating an air compressor can be significantly reduced. Prioritizing safety promotes a secure and productive working environment.

China wholesaler Screw Air Compressor 20HP/15kw CHINAMFG Compression High Efficiency   air compressor portableChina wholesaler Screw Air Compressor 20HP/15kw CHINAMFG Compression High Efficiency   air compressor portable
editor by CX 2023-09-28

China OEM New Configuration Air-Compressors 185 Cfm 8bar 48kw 65HP Portable Screw Air Compressor Diesel air compressor lowes

Product Description

Working principle of diesel air compressor 1. Inhalation process: The CHINAMFG has no intake and exhaust valve groups, and the intake is only regulated by the opening and closing of a regulating valve. When the tooth groove space of the main and auxiliary rotors is transferred to the opening of the air inlet end wall of the casing, the space is large. All are discharged, and when the exhaust is completed, the tooth gap is in a vacuum state.When it turns to the air inlet, the outside air is sucked in and flows axially into the tooth grooves of the main and auxiliary rotors. When the air fills the entire tooth groove, the end surface of the intake side of the rotor is turned away from the air inlet of the casing, and the air between the tooth grooves is sealed. The above is the “intake process”
2. Sealing and conveying process: When the suction is finished, the tooth peaks of the main and auxiliary rotors are sealed with the casing, and the air in the tooth grooves no longer flows out, which is the “closed process”. The 2 rotors continue to rotate, and the tooth peaks and tooth grooves match at the suction end, and the matching surface gradually moves to the exhaust end, which is the “transportation process”.3. Compression and fuel injection process: During the conveying process of the diesel air compressor, the meshing surface gradually moves toward the exhaust end, that is, the tooth groove space between the meshing surface and the exhaust port gradually decreases, and the air in the tooth groove is gradually compressed. The pressure is gradually increased, this is the “compression process”. While compressing, lubricating oil is also sprayed into the compression chamber to mix with air due to the pressure difference.
4. Exhaust process: Precautions for using diesel air compressors: The commissioning of new machines shall be carried out by designated or approved commissioning personnel. Pay attention to whether the direction of rotation of the motor is correct when starting the machine or changing the power cord to prevent the machine head from losing oil and burning. The diesel air compressor should be placed on a flat ground, and the ground should not be soft soil. When the main pipeline is piped, the pipeline has a downward slope of 1º~2º.

FAQ

1) Why customer choose us? 
ZheJiang Saifu Industry Co.Ltd provide professional air solution for customers. One-stop purchasing, we can provide the screw air compressor, air dryers air filters and all the spare parts.
 
2) Where is your factory?
Our factory is in ZheJiang ,China.Both OEM & ODM service can be accepted.

3) What’s your delivery time?
Generally 7 to 10 days, if urgently order, pls contact our sales in advance.

4) What’s payment term?
T/T, L/C,  D/P,  Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
5) How about your customer service?
24 hours on-line service available. 48hours problem solved promise.

6) How about your after-sales service?
  a.Provide customers with installation and commissioning online instructions. 
  b.Well-trained engineers available to overseas service. 
  c.CHINAMFG agents and after service available.
 

After-sales Service: 12 Month
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: Diesel Engine
Cylinder Position: Vertical
Customization:
Available

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air compressor

What are the differences between stationary and portable air compressors?

Stationary and portable air compressors are two common types of air compressors with distinct features and applications. Here are the key differences between them:

1. Mobility:

The primary difference between stationary and portable air compressors is their mobility. Stationary air compressors are designed to be permanently installed in a fixed location, such as a workshop or a factory. They are typically larger, heavier, and not easily movable. On the other hand, portable air compressors are smaller, lighter, and equipped with handles or wheels for easy transportation. They can be moved from one location to another, making them suitable for jobsites, construction sites, and other mobile applications.

2. Power Source:

Another difference lies in the power source used by stationary and portable air compressors. Stationary compressors are usually powered by electricity, as they are designed for continuous operation in a fixed location with access to power outlets. They are connected to the electrical grid or have dedicated wiring. In contrast, portable compressors are available in various power options, including electric, gasoline, and diesel engines. This versatility allows them to operate in remote areas or sites without readily available electricity.

3. Tank Capacity:

Tank capacity is also a distinguishing factor between stationary and portable air compressors. Stationary compressors often have larger storage tanks to store compressed air for extended periods. The larger tanks enable them to deliver a continuous and steady supply of compressed air for longer durations without the need for frequent cycling. Portable compressors, due to their compact size and portability, generally have smaller tank capacities, which may be sufficient for intermittent or smaller-scale applications.

4. Performance and Output:

The performance and output capabilities of stationary and portable air compressors can vary. Stationary compressors are typically designed for high-volume applications that require a consistent and continuous supply of compressed air. They often have higher horsepower ratings, larger motor sizes, and higher air delivery capacities. Portable compressors, while generally offering lower horsepower and air delivery compared to their stationary counterparts, are still capable of delivering sufficient air for a range of applications, including pneumatic tools, inflation tasks, and light-duty air-powered equipment.

5. Noise Level:

Noise level is an important consideration when comparing stationary and portable air compressors. Stationary compressors, being larger and built for industrial or commercial settings, are often equipped with noise-reducing features such as sound insulation and vibration dampening. They are designed to operate at lower noise levels, which is crucial for maintaining a comfortable working environment. Portable compressors, while efforts are made to reduce noise, may produce higher noise levels due to their compact size and portability.

6. Price and Cost:

Stationary and portable air compressors also differ in terms of price and cost. Stationary compressors are generally more expensive due to their larger size, higher power output, and industrial-grade construction. They often require professional installation and may involve additional costs such as electrical wiring and system setup. Portable compressors, being smaller and more versatile, tend to have a lower upfront cost. They are suitable for individual users, contractors, and small businesses with budget constraints or flexible air supply needs.

When selecting between stationary and portable air compressors, it is essential to consider the specific requirements of the intended application, such as mobility, power source availability, air demands, and noise considerations. Understanding these differences will help in choosing the appropriate type of air compressor for the intended use.

air compressor

What is the role of air compressors in manufacturing and industrial processes?

Air compressors play a crucial role in various manufacturing and industrial processes, providing a reliable source of compressed air that powers a wide range of equipment and tools. Here are some key roles of air compressors in manufacturing and industrial settings:

1. Pneumatic Tools and Equipment:

Air compressors power a wide range of pneumatic tools and equipment used in manufacturing processes. These tools include impact wrenches, air drills, sanders, grinders, nail guns, and spray guns. Compressed air provides the necessary force and energy for these tools, enabling efficient and precise operations.

2. Automation and Control Systems:

Compressed air is used in automation and control systems within manufacturing facilities. Pneumatic actuators and valves use compressed air to control the movement of machinery and components. These systems are widely used in assembly lines, packaging operations, and material handling processes.

3. Air Blowing and Cleaning:

Compressed air is employed for blowing and cleaning applications in manufacturing and industrial processes. Air blowguns and air nozzles are used to remove debris, dust, and contaminants from surfaces, machinery, and products. Compressed air is also used for drying, cooling, and purging operations.

4. Air Separation and Gas Generation:

Air compressors are used in air separation plants to generate industrial gases such as nitrogen, oxygen, and argon. These gases are essential for various industrial processes, including metal fabrication, chemical production, and food packaging.

5. HVAC Systems:

Compressed air is utilized in heating, ventilation, and air conditioning (HVAC) systems. It powers pneumatic actuators for damper control, pneumatic controls for pressure regulation, and pneumatic valves for flow control in HVAC applications.

6. Air Compression for Storage and Transport:

Compressed air is used for storage and transport purposes in manufacturing and industrial settings. It is often used to pressurize storage tanks or containers that hold gases or liquids. Compressed air also facilitates the transfer of materials through pipelines and pneumatic conveying systems.

7. Process Instrumentation:

Compressed air is utilized in process instrumentation and control systems. It powers pneumatic instruments such as pressure gauges, flow meters, and control valves. These instruments play a critical role in monitoring and regulating various parameters in industrial processes.

8. Material Handling and Pneumatic Conveying:

In manufacturing and industrial facilities, compressed air is used for material handling and pneumatic conveying systems. It enables the movement of bulk materials such as powders, granules, and pellets through pipelines, facilitating efficient and controlled material transfer.

Overall, air compressors are vital components in manufacturing and industrial processes, providing a versatile and efficient source of power for a wide range of applications. The specific role of air compressors may vary depending on the industry, process requirements, and operational needs.

air compressor

Can air compressors be used for automotive applications?

Yes, air compressors can be used for various automotive applications and are commonly found in automotive repair shops, garages, and even in some vehicles. Here are some automotive applications where air compressors are frequently utilized:

1. Tire Inflation: Air compressors are commonly used to inflate tires in automotive applications. They provide a convenient and efficient way to inflate tires to the recommended pressure, ensuring optimal tire performance, fuel efficiency, and safety.

2. Air Tools: Air compressors power a wide range of pneumatic tools used in automotive repair and maintenance. These tools include impact wrenches, ratchet wrenches, air hammers, pneumatic drills, and sanders. Air-powered tools are favored for their high torque and power-to-weight ratio, making them suitable for heavy-duty automotive tasks.

3. Spray Painting: Air compressors are commonly used in automotive painting applications. They power airbrushes and spray guns that are used to apply paint, primer, and clear coats. Air compressors provide the necessary air pressure to atomize the paint and deliver a smooth and even finish.

4. Brake System Maintenance: Air compressors play a crucial role in maintaining and diagnosing automotive brake systems. They are used to pressurize the brake lines, allowing for proper bleeding of the system and detection of leaks or faults.

5. Suspension Systems: Some automotive suspension systems, such as air suspensions, rely on air compressors to maintain the desired air pressure in the suspension components. The compressor inflates or deflates the suspension as needed to provide a comfortable ride and optimal handling.

6. Cleaning and Dusting: Air compressors are used for cleaning automotive parts, blowing away dust and debris, and drying surfaces. They provide a high-pressure stream of air that effectively cleans hard-to-reach areas.

7. Air Conditioning Systems: Air compressors are a key component in automotive air conditioning systems. They compress and circulate refrigerant, allowing the system to cool and dehumidify the air inside the vehicle.

When using air compressors for automotive applications, it’s important to consider the specific requirements of the task at hand. Ensure that the air compressor has the necessary pressure and capacity to meet the demands of the application. Additionally, use appropriate air hoses, fittings, and tools that are compatible with the compressor’s output.

Overall, air compressors are versatile and valuable tools in the automotive industry, providing efficient power sources for a wide range of applications, from tire inflation to powering pneumatic tools and supporting various automotive systems.

China OEM New Configuration Air-Compressors 185 Cfm 8bar 48kw 65HP Portable Screw Air Compressor Diesel   air compressor lowesChina OEM New Configuration Air-Compressors 185 Cfm 8bar 48kw 65HP Portable Screw Air Compressor Diesel   air compressor lowes
editor by CX 2023-09-28

China Good quality 12 Bar 50 Bar 3MPa 75kw Iraq Blow Machine Twin Screw Air Compressor air compressor portable

Product Description

 OFAC oil-free screw air compressor used Japanese Mitsui’s original technology, who is the only maintenance service provider in China.

 

TECHNICAL DATA
 
Model Power Pressure (bar) Air Flow (m3/min) Noise Level dBA Outlet Size Weight (kgs) Lubricating Water(L) Filter Element (B)-(Z) Dimension LxWxH (mm)
OF-7.5F 7.5kw 10hp 8 1.0 60 RP 3/4 400 22 (25cm) 1 1000*720*1050
OF-11F 11kw 15hp 8 1.6 63 460 1156*845*1250
OF-15F 15kw 20hp 8 2.5 65 RP 1 620 28 (50cm) 1 1306*945*1260
OF-18F 18.5kw 25hp 8 3.0 67 750 33 1520*1060*1390
OF-22F 22kw 30hp 8 3.6 68 840 33 1520*1060*1390
OF-30F 30kw 40hp 8 5.0 69 RP 11/4 1050 66 (25cm) 5 1760*1160*1490
OF-37F 37kw 50hp 8 6.2 71 1100 1760*1160*1490
OF-45S 45kw 60hp 8 7.3 74 RP 11/2 1050 88 1760*1160*1490
OF-45F 45kw 60hp 8 7.3 74 1200 1760*1160*1490
OF-55S 55kw 75hp 8 10 74 RP 2 1250 110 (50cm) 5 1900*1250*1361
OF-55F 55kw 75hp 8 10 74 2200 (50cm) 7 2350*1250*1880
OF-75S 75kw 100hp 8 13 75 1650 (50cm) 5 1900*1250*1361
OF-75F 75kw 100hp 8 13 75 2500 (50cm) 7 2550*1620*1880
OF-90S 90kw 125hp 8 15 76 2050 (50cm) 5 1900*1250*1361
OF-90F 90kw 125hp 8 15 76 2650 (50cm) 7 2550*1620*1880
OF-110S 110kw 150hp 8 20 78 DN 65 2550 130 (50cm) 12 2200*1600*1735
OF-110F 110kw 150hp 8 20 78 3500 130 3000*1700*2250
OF-132S 132kw 175hp 8 23 80 2700 130 2200*1600*2250
OF-160S 160kw 220hp 8 26 82 2900 165 2200*1600*2250
OF-185S 185kw 250hp 8 30 83 DN 100 3300 180 (50cm) 22 2860*1800*1945
OF-200S 200kw 270hp 8 33 83 3500 2860*1800*1945
OF-220S 220kw 300hp 8 36 85 4500 2860*2000*2300
OF-250S 250kw 340hp 8 40 85 4700 2860*2000*2300
OF-315S 315kw 480hp 8 50 90 5000 2860*2000*2300

 F– air cooling method     S– water cooling method

                           
The brand “OFAC, OFC” specializes in the R&D, manufacturing, sales and service of compressors, oil-free compressors and air end, special gas compressors, various air compressors and post-processing equipment, providing customers with High-quality, environmentally friendly and efficient air system solutions and fast and stable technical services.

FAQ

Q1: Warranty terms of your machine?
A1: Two year warranty for the machine and technical support according to your needs.

Q2: Will you provide some spare parts of the machines?
A2: Yes, of course.

Q3: What about product package?
A3: We pack our products strictly with standard seaworthy case. Rcommend wooden box.

Q4: Can you use our brand?
A4: Yes, OEM is available.

Q5: How long will you take to arrange production?
A5: Immediate delivery for stock products. 380V 50HZ we can delivery the goods within 3-15 days. Other  voltage or other color we will delivery within 30-45 days.

Q6: How Many Staff Are There In your Factory?
A6: About 100.
 
Q7: What’s your factory’s production capacity?
A7: About 550-650 units per month.

Q8: What the exactly address of your factory?
A8: Our first workshop located in HangZhou, ZheJiang , second workshop located in HangZhou, ZheJiang ,  China.

 

After-sales Service: 2 Years
Warranty: 2 Years
Lubrication Style: Oil-free
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

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air-compressor

Choosing an Air Compressor

Considering a new Air Compressor? Here are some tips to make the decision easier. Learn the pros and cons of each type, including the differences between oil-injected and oil-free models, single stage and positive displacement. In addition, learn more about the different technologies that are available for your air compressor. It is important to choose an appropriate unit for the type of work you do. Here are some of the best compressors available today.

Positive displacement

There are several different types of air compressors, but most are positive displacement air compressors. They use a rotary or reciprocating component to compress air. The reciprocating component compresses air by reducing the volume of the chamber. Positive displacement compressors are used in bicycle pumps, chemical plants, and refrigerators. Positive displacement air compressors use multiple inlet ports. Despite the various types, the principle of operation remains the same.
Another type of positive displacement air compressor is a reciprocating piston. The piston inside a cylinder moves up and down, causing the compressed air to fill the upper part of the cylinder. These air compressors are used in a variety of different applications, including blowing bottles and gas pipelines. These air compressors can be water-cooled, lubricated, or non-lubricated. Different types have different capacities and air pressures.
A positive displacement flowmeter uses a rotating chamber that divides continuous fluid into discrete portions. The number of times the chamber is filled and discharged can be used to estimate the flow rate. The rotation speed of the measuring chamber is directly proportional to the flow rate. The drawbacks of this type of positive displacement flowmeter are that it is prone to jamming. If the fluid contains particles, it may be too thick for the meter to determine flow rate.
A negative displacement air compressor was invented in 1860 and is the oldest type of compressor. It uses two lobes positioned in a circular cavity. One rotor is connected to an engine, while the other pushes the other one to spin in the opposite direction. Negative displacement compressors are low-maintenance, but they do require more precision. They are often used in nuclear power plants because they use the kinetic energy of the rotating elements to produce pressure.

Oil-injected

Oil-flooded or oil-injected air compressors use liquid to seal and lubricate moving parts and reduce noise. Oil-flooded air compressors are effective for a variety of pneumatic tools and accessories. Some models have a thermostat that controls the amount of oil used during operation. Other types of oil-flooded air compressors are piston-type models. Here is an overview of the basic differences between these two air compressors.
An oil-injected air compressor is more expensive than a comparable oil-free air compressor, but its advantages far outweigh its disadvantages. An oil-free compressor is quieter, requires less maintenance, and has a lower price tag. It also offers a greater degree of air purity. A number of other advantages may also make this type of air compressor the better choice for many industrial settings. If you need a high-pressure compressor in a tight space, consider the benefits of an oil-free system.
Oil-injected air compressors require more maintenance than oil-free models. Both types of air compressors offer similar capacity and ISO 8573-1 Class 0 and 1-2 purity, but the oil-injected systems require more air-treatment components. They require an activated carbon filter and coalescing filter. Oil-injected air compressors will likely remain the standard for industrial air compressors for many years. And since their performance and efficiency are comparable, it may be worthwhile to invest in some point-of-use air treatment.
Both types of air compressors have their benefits. However, choosing between oil-free and oil-injected air compressors is not as straightforward as you might think. Whichever type you choose, make sure it will meet your needs. The benefits of an oil-injected air compressor outweigh their disadvantages. In general, oil-injected air compressors are more durable and can last longer than oil-free models. The only downside is their higher price.
air-compressor

Oil-free

When choosing an air compressor for your company, you’ll need to determine what it is going to be used for. For example, if you’re planning on using it to power multiple workers, you should consider getting an oil-free compressor. An oil-free compressor, on the other hand, is quieter and can power several workers at a time. If you’re a contractor, the most important consideration will be the type of jobs you’ll be doing. Higher air pressure means greater demand for air flow, and more pressure can damage the equipment.
Oil-free compressed air is certified 100% free of contaminants. Technically, oil-free air is not completely free of foreign matter, but it is extremely low within the limits of practical air quality. A technically oil-free air compressor might have a total oil level of 0.003 mg/m3. If you’re in need of a technically oil-free air compressor, you must install an air treatment equipment after your current compressor.
If you’re in the manufacturing industry, a good oil-free air compressor will save you money and reduce your environmental impact. Many of these tools require air compressors to work, and this equipment will ensure that they don’t get contaminated. To buy the best oil-free compressor, you should learn a bit about the different terms used by compressor repair companies. ACFM, for example, is the amount of air that can be compressed in one minute at rated conditions.
When you’re using an oil-free air compressor, you should know that the overall life of the device will be much shorter. Compared to an oil-flooded rotary screw air compressor, an oil-free compressor typically has a lifespan of 50 thousand hours. But it’s important to understand that this type of compressor can still cause damage to piping and processes. Therefore, you should choose an oil-free compressor when you need to clean air for your business.

Single-stage

A single-stage air compressor, also known as a piston air compressor, compresses air only once before storing it in a cylinder. This stored air has enough energy to power a variety of pneumatic tools, such as screwdrivers, chisels, and wrenches. These units are also ideally suited for low-flow applications and are widely used in gas stations, auto shops, and various manufacturing plants.
A single-stage air compressor uses two valves – one for inlet and one for outlet – to transfer compressed air. Both valves are actuated by springs. The inlet valve has a slight curvature to provide protection from damage. The compressor’s outlet valve opens when the pressure in the cylinder is higher than the pressure in the storage tank. The piston moves very quickly inside the cylinder, exerting a high amount of force throughout the compression process. This high piston speed is a common cause of compressor wear and tear.
A single-stage air compressor is ideal for smaller tradesmen and small construction crews. Its lightweight and compact design make it easier to transport and store. While it may be tempting to buy the first cheap air compressor you see, it’s important to balance the price against performance to choose the right air compressor for your needs. The best single-stage air compressor is one that provides excellent performance and durability. Its two-stage counterpart is designed for larger construction teams and large applications.
The main difference between a single-stage and a two-stage air compressor lies in their capacity. A single-stage air compressor compresses air only once and delivers it into the storage tank, while a two-stage compressor compresses it twice, creating double the pressure. Because of this, single-stage air compressors are cheaper and versatile than their counterparts, which means that they can be used for multiple purposes.
air-compressor

Low-noise

A low-noise air compressor is a type of industrial compressor that is less noisy than regular air compressors. These are generally smaller machines designed for smaller factories and workshops with a few to several employees. They are designed to handle mid-weight volumes of compressed air per day. This type of compressor is especially useful for smaller manufacturing businesses that need to produce compressed air for medical applications. Small breweries can also benefit from the low-noise capabilities of these compressors.
Low-noise air compressors come in various sizes and features. For smaller jobs, you can purchase a one-gallon model that is lightweight and portable. For larger jobs, you can purchase one with a larger tank that can provide more pressure for longer jobs. However, a larger tank will make the compressor heavier and harder to transport. To avoid this, make sure to check the size of the tank and how much power it can handle.
Considering a low-noise air compressor for your business? If so, you’ve come to the right place. There are a variety of affordable and dependable low-noise options to choose from. A CAT 10020C, for example, is designed to provide high-volume air to many outlets at once. A CAT 10020C comes with a 10-gallon tank, wheels, and a carrying handle.
Noise levels can also affect the productivity of employees. When employees work with air compressors in close proximity to each other, they may develop tinnitus. If employees are free from tinnitus because of the loud noise, they are likely to work more efficiently. Moreover, it will be easier for them to focus and communicate efficiently. If you need a compressor, a low-noise one is an excellent choice.

China Good quality 12 Bar 50 Bar 3MPa 75kw Iraq Blow Machine Twin Screw Air Compressor   air compressor portableChina Good quality 12 Bar 50 Bar 3MPa 75kw Iraq Blow Machine Twin Screw Air Compressor   air compressor portable
editor by CX 2023-07-06

China OEM Brushless Equipment Parts Part Screw Oilless Silent Used Portable Oil Free Industrial Mini Max Dental Oil Direct Piston Free Rotary AC Air Pump Compressor air compressor for sale

Product Description

 

  

 

 

 

 Oilless Air Compressor Featuers:
1.Super Silent
Super low noise.The output air pressure is stable without fluctuations, reducing noise pollution.
   
     2. Safety
 
If the voltage or current cause the machine  overheat, it will automatically shut down to protect  from burnout.
 
    3. Automatic control

 Pressure switch automatically controls the start and stop of the machine.
   
   4. Adjustable air pressure
The air pressure can be adjusted to meet the needs of different equipment usage.

   5. Save human power
 
Switch on the air compressor can work normally & automatically. It is easy to operate and does not need human to be on duty.
 
 6. Easy maintenance
No need to add any lubricant, easy maintenance after purchase. 

Parts Features
1.Heavy cast iron body: heavy load, long stroke, low fuel consumption, low noise

2.Cylinder: made of high-grade cast iron, strength, good lubricity, wall by the fine honing, wear-resistant, durable

3.Piston ring: good elasticity, excellent wear resistance, low oil consumption, not easy to make the valve group carbon deposition and loss of oil to burn the crankshaft and connecting rod.

4.The crankshaft, connecting rod, piston: well balanced, wear resistance, high strength, smooth running balance.

5.High reliable and durable valve; strong aluminum alloy body, light and heat.

6.The motor provides reliable power, low voltage start up and running performance strong fan cooled motor and body; special shock proof design.

7.Double nozzles, were used to direct the exhaust and pressure exhaust; pressure switch with push button, safe and convenient

8.Oil free,silent,protect-environment,suitable for dental use.
 

Frequency Asked Question

1.Are you the manufacturer or trading company?
We are the manufacturer.

2.Where is your factory?
It is located in HangZhou City,ZHangZhoug Province,China.

3.What’s the terms of trade?
FOB,CFR,CIF or EXW are all acceptable.

4.What’s the terms of payment?
T/T,L/C at sight or cash.

5.What’s the lead time?

In 15 days on receipt of deposit .

6.Do you accept sample order?
Yes,we accept.

7.What about the cost of sample?
 You have to pay the freight charge.But the cost of product could be refundable,if you will purchase 1x20GP container in the future.

 

Lubrication Style: Oil-free
Cooling System: Air Cooling
Cylinder Arrangement: Duplex Arrangement
Cylinder Position: Vertical
Structure Type: Open Type
Compress Level: Double-Stage
Samples:
US$ 80/Piece
1 Piece(Min.Order)

|
Request Sample

Customization:
Available

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air-compressor

Types of Air Compressors

There are many types of Air Compressors available on the market. Learn which one is right for your needs and what makes one better than another. Find out more about Single-stage models, Oil-free models, and Low-noise models. This article will explain these types and help you decide which one you need. You can also learn about Air Compressors that have single-stage compressors. If you are looking for a high-quality compressor, this article will help you choose a unit.

Air Compressors

Air compressors work by forcing atmospheric air through an inlet valve. As the piston moves down, it pulls atmospheric air into the chamber. As the piston rises, it forces the compressed air out of the cylinder through an exhaust valve. One of the most common types of air compressor is the reciprocating type. Another type of compressor is a single-stage piston. These types of compressors compress air in one stroke – equivalent to the complete rotation of the piston’s crankshaft.
These devices change electrical or mechanical energy into pressurized air. When air is compressed, its volume decreases, increasing its pressure. Air compressors typically have a minimum pressure of 30 bars. The lower pressure band is the range of air pressure. Most compressors are controlled separately, but network controls can be used to interconnect multiple compressors. This type of controller will not work for all types of compressors. There are other types of air compressors that can communicate with each other.
Compressed air has multiple applications in all kinds of industries. In agriculture, it can power pneumatically powered material handling machines for irrigation and crop spraying. Dairy equipments also use compressed air. Compressors are also used in the pharmaceutical industry for mixing tanks, packaging, and conveyor systems. Portable air compressors, which can be powered by diesel fuel, are frequently used at remote drilling sites. Portable air compressors are also commonly used in oil and gas. They can be used to remotely control valves and install reactor rods.
Whether you use an air compressor for agricultural purposes or in a manufacturing setting, there are some features to consider when choosing an air compressor for your needs. A good compressor will have a safety device. It will automatically shut off the input air and output air once sufficient compressing has been achieved. These features will help your air compressor remain efficient and protect your equipment. The safety device is an important feature of any air compressor to increase its overall efficiency.
Vane air compressors are the most common type. They are generally smaller and less powerful than reciprocating piston compressors, so you can use one of these for applications that are under 100 horsepower. The vane air compressors have low compression ratios and high capacities, but they are generally limited to low-power applications. Vane compressors tend to run hot, and they typically have a low compression ratio. It is important to choose the correct oil viscosity for your compressor.
air-compressor

Single-stage models

When comparing single-stage air compressors, look for the term “stages.” Multi-stage compressors use two stages and can handle more capacity and pressure. One stage involves pressurizing air using a piston and a lower-pressure cylinder. This compressed air is then moved to a storage tank. Single-stage models tend to be more energy-efficient than their two-stage counterparts. But if you don’t need a high-pressure cylinder, a single-stage air compressor can be the best choice.
Although single-stage air compressors produce less power, they can produce enough air to power pneumatic tools and other pneumatic equipment. These single-stage units are most useful for smaller-scale home projects and DIY projects. For more industrial purposes, a dual-stage model is the best choice. But if you’re in a hurry, a single-stage unit may be sufficient. Ultimately, it depends on what you plan to do with the air compressor.
Single-stage air compressors feature a single cylinder, one piston stroke for each revolution of pressurized air. Single-stage compressors are typically smaller and more compact, making them a good choice for smaller work environments. Their cfm capacity (cubic feet per minute) is an important indicator of operating capacity. If you plan to use multiple pneumatic tools, you will probably need a higher cfm model. Similarly, the horsepower of single-stage compressors indicates its working capacity. One horsepower moves 550 pounds per foot per minute.
Multi-stage air compressors are generally more expensive and more energy-efficient than single-stage units, but they can offer higher air flow rates. While they may be more complex, they can lower general operating expenses. If you plan on using your air compressor for industrial or commercial use, a dual-stage model might be the best choice. However, if you’re planning to use the air compressor for mass production, a single-stage model may be the best choice.
Single-stage air compressors have the same piston size and number of inlets, while dual-stage models have a smaller first piston and a much longer second piston. Both have a cooling tube in between the two pistons to reduce the air temperature before the second round of compression. The single-stage model is typically small and portable, while the double-stage air compressor is stationary. These compressors can both be stationary and large.

Low-noise models

Despite its name, low-noise models of air compressors are not all the same. The noise level of a compressor can be affected by several factors, including the power source and proximity to the machine. Reciprocal compressors are generally louder than electric ones because of their many moving parts. By contrast, rotary-screw and scroll compressors have fewer moving parts and are quieter.
The noise level of a gas-powered air compressor can be extremely high, making it unsuitable for use indoors. To combat this problem, you can choose an electric model. The noise level of a compressor is primarily caused by motor friction. The cover of a piston is also a major factor in noise, as pistons with minimal covers will produce a lot of noise. Previously, oil was required for a quiet compressor. However, this has changed thanks to the medical industry’s demand for oil-free models.
The CZPT EC28M Quiet Air Compressor is another model that features quiet operation. This air compressor makes 59dB of noise. This level is low enough to allow you to carry on normal conversations while it cycles. In addition, this compressor has an industrial oil-free pump and a 2.8 Amp direct-drive induction motor. These two features make it a great choice for businesses.
Low-noise models of air compressors are available for the construction industry. However, these compressors are not necessarily low-quality, which is why you should consider the noise level of your air tool before purchasing one. The specialists at CZPT can recommend the low-noise models for your particular application and space. Noise can distract people who work near the air compressor. That is why many businesses now opt for these models.
air-compressor

Oil-free models

A number of oil-free models of air compressors are available, but what makes them special? Oil-free compressors don’t contain oil, so they’re lubricated by grease instead. They’re a good choice if you’re working with a small compressor and don’t want to risk damaging it. On the other hand, oil-free models do generate significant amounts of heat, which can damage the compressor. Higher pressure can grind the compressor against itself, or even warp it.
A few words of knowledge can help you choose the best oil-free air compressor for your needs. For example, a compressor’s horsepower is a measurement of how powerful the motor is. Higher horsepower means a higher PSI or ACFM. You can also use the ACFM to compare the two. Scroll technology is a modern air compression system that uses a stationary and mobile spiral. This reduces the volume of air in the compressor by directing it to the center.
Purchasing an oil-free air compressor doesn’t have to be a daunting task, though. A good distributor can advise you on what type of oil-free air compressor is right for you. This way, you can save money and enjoy peace of mind while using your air compressor. And, of course, the best way to get a great deal on an air compressor is to speak to a distributor who is knowledgeable about the products available.
An oil-free air compressor is a great option for businesses that are sensitive to the contamination of air. For example, in the pharmaceutical and food industry, a minuscule oil could spoil a product or even damage production equipment. Oil-free air compressors generally have lower maintenance costs than oil-flooded models because there are fewer moving parts. Because of this, oilless air compressors require fewer maintenance and may still need to be replaced occasionally.
A few advantages of an oil-free air compressor over an oil-lubricated one include lower noise levels. Oil-free air compressors tend to be less noisy and run more quietly than oil-injected ones, but you should still carefully weigh the pros and cons before making a decision. Also, consider how much you use your air compressor before choosing a model. The pros outweigh the cons. In the end, you’ll be glad you chose an oil-free air compressor.

China OEM Brushless Equipment Parts Part Screw Oilless Silent Used Portable Oil Free Industrial Mini Max Dental Oil Direct Piston Free Rotary AC Air Pump Compressor   air compressor for saleChina OEM Brushless Equipment Parts Part Screw Oilless Silent Used Portable Oil Free Industrial Mini Max Dental Oil Direct Piston Free Rotary AC Air Pump Compressor   air compressor for sale
editor by CX 2023-05-30

China best 250kw Variable Speed Drive Mute AC Two Stage Rotary Screw Oil Free Dry Air Compressor portable air compressor

Product Description

      

   Specification
  Model Capacitiy (FAD)M3/min Power kw Noise level db Weight KG
7bar 8.5bar 10bar Water Cooling Air Cooling
OFA1 OFA15 2.4 2.1 1.8 15 74   1,030
OFA22 3.7 3.2 2.7 22 74   1,070
OFA30 4.8 4.4 4.0 30 74   1,300
OFA37 5.9 5.3 5.0 37 74   1,355
OFA45 7.0 6.5 6.1 45 74   1,390
OFA2 OFA55 9.2 7.9 7.3 55 74   1,860
OFA75 12.2 11.2 10.7 75 74   1,935
OFA90 14.7 13.5 12.7 90 74   2,000
OFA3 OFA110 19.3 17.2 16.0 110 74   3,660
OFA132 22.9 19.5 18.8 132 74   3,700
OFA4 OFA160 29.4 25.7 23.8 160 74   5,300
OFA200 36.6 33.1 30.4 200 74   5,380
OFA250 44.5 41.0 37.4 250 74   5,450
OFA275 47.4 43.0 41.0 275 74   5,500
OFA5 OFA315 51.5 47.6 46.0 315 74   6,000
OFA355 56.3 52.6 50.4 355 74   9,050
OFW1 OFW37 5.9 5.3 5.0 37 74 1,355  
OFW45 7.0 6.5 6.1 45 74 1,450  
OFW2 OFW55 8.8 7.9 7.3 55 74 1,800  
OFW75 11.9 11.2 10.7 75 74 1,850  
OFW90 14.3 13.5 12.7 90 74 1,925  
OFW3 OFW110 19.1 17.1 16.0 110 74 2,635  
OFW132 21.9 19.6 18.9 132 74 2,760  
OFW4 OFW160 28.3 26.1 24.2 160 74 3,850  
OFW200 36.1 33.1 30.4 200 74 4,000  
OFW250 43.1 41.0 37.0 250 74 4,100  
OFW275 46.4 43.0 41.0 275 74 4,300  
OFW5 OFW315 50.9 47.6 46.0 315 74 6,550  
OFW355 56.3 52.6 50.4 355 74 6,950  
OFW400 62.1 57.8 55.8 400 74 7,050  
OFW450 76.5 71.5 63.8 450 74 8,400  
OFW500 83.9 78.3 73.1 500 74 8,400  
OFW630 102.9 95.7 89.0 630 74 9,125  
OFW750 122.8 109.6 101.8 750 74 9,225  

                                             Company Profile

ZheJiang Napu compressor Technology Co.,LTD was established in 2012  based in ZheJiang ,specializing in oil-free rotary screw air compressors, offering a wide range of products from airends to compressors . 
       With over 10 years experience in oil free screw air compressor. NAPU Compressor is compliant with ISO 8573-1, Class 0 standard and audited by TUV Rheinland and China National Quality Inspection Center of Compressor and Refrigerator.   
        The company is also compliant with ISO 9001:14001 and is CZPT in the domestic market for its quality-driven culture. The oil-free compressors manufactured by the company are used in a variety of sectors including some of our valued clients like CASC-China Aerospace Science Corporation, NORINCO-China North Industries Group, CNNC-China National Nuclear Group, CHANG AN AUTO, SINOPHARM, BYD and CALT and Sino-Chemical etc.
         Continuous improvement in productivity and efficiency is our goal, and we continue to offer an extensive services including our own branded oil-free compressor package as well as after-sales services for other leading brands.

 

                                              Product Features

1. In house designed airend
2. 100% oil free air certified by Germany TUV.
3. Double-layer structure to reduce he noise.
4. Air Cooling and Water cooling are available.
5. VSD control are available.
6.Touch Screen PLC with preset running schedule, more intelligent control.
7.OEM&ODM service are accepted

 

                                                         FAQ

Q1. Are you trading company or manufacture ?
A: We are professional manufacture of oil free air compressors. More than 20 years of experience in air compressor manufacturing.
 
Q2. What’s payment term ?
A: T/T, Western Union, Paypal, Credit Card, and etc. Also we could accept USD, RMB, Euro and other currency.
 
Q3. How about your after-sales service ?
A: 1.We can provide customers with installation and commissioning online instructions.
   
Q4. How about your warranty?
A: One year for the whole machine and 5 years for screw air end, except consumable spare parts.
 
Q5. Do you have any certificate ?
A: Yes, we can offer CE ,ISO  and certificate as clients’ demande.
 
 
Q6. How do you control quality ?
A: 1. The raw materials are strictly inspected
    2. Each compressor must pass at least 8 hours of continuous testing before leaving the factory.
  
Q7.How long could your air compressor be used?
A: Usually, more than over 10 years.

      

After-sales Service: Online Support
Warranty: 12 Months
Lubrication Style: Oil-free
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Customization:
Available

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air-compressor

Choose an Air Compressor for Your Business

There are several factors to consider when choosing an air compressor for your business. One factor to consider is the type of compressor you are looking for, which may include single-stage, low noise, and positive displacement. Hope this article helps you make the right decision. After all, your business success will depend on this device! Let’s take a closer look at these factors. Also, consider what compressor manufacturers say about their products.

Positive displacement

Positive displacement air compressors compress air by drawing in a volume from an inlet and extruding it out of a chamber. This increases the pressure at which the gas can be pumped at rates that cannot be pumped through the outlet at lower pressures at higher mass flow rates. These types of compressors are available in single-acting and double-acting configurations. They are classified by the number of cylinders.
There are two different types of air compressors: reciprocating air compressors and screw compressors. Both are roll machines. Positive displacement air compressors use pistons and cylinders to compress air. The resulting air pressure builds up within the compressor housing, increasing the potential energy of the compressed air. Screw air compressors are the most popular positive displacement air compressors, which can be either single-stage screw-blade air compressors or multi-stage screw-blade oil-immersed screw air compressors.
Positive displacement flowmeters use a rotating measuring chamber to divide the fluid into discrete quantities. The number of times the chamber was refilled and emptied was used to estimate the total flow. However, positive displacement flow meters are prone to leaks, reducing the accuracy of the estimates. If a leak occurs, it can cause false readings and damage the compressor. However, leaks in positive displacement air compressors can reduce pressure.
The most common types of positive displacement air compressors are screw, reciprocating, and vane. Rotary positive displacement air compressors are also available as well as many other air compressors. Positive displacement air compressors are most commonly used in large manufacturing facilities. If you are considering an air compressor for commercial or industrial applications, it is imperative to understand how the components of the unit work. Please read the information below to learn more before deciding which application is best for you.
Positive displacement air compressors use a piston to force air into a chamber, compressing the air in the process. The piston moves in the opposite direction, thereby reducing the volume of the chamber. When the amount of air in the chamber reaches its maximum value, the valve opens, allowing it to escape at higher pressure. Positive displacement air compressors are generally less efficient than centrifugal compressors. However, they are still an excellent choice for a variety of applications.
air-compressor

Single-stage

The discharge pressure of the single-stage air compressor is used to control the operation of the compressor. Properly designed load/unload controls allow the air compressor to operate at its most efficient point while minimizing stress on the main engine bearings. Single-stage air compressors can approach variable speed efficiency with appropriate storage capacity. However, improper storage can cause premature bearing wear on the main unit. If this is the case, a single-stage air compressor may not be ideal.
A single-stage air compressor has only one cylinder, which means one stroke is required to move air from one cylinder to another. Pressure is measured in cubic feet per minute or CFM. Tank size is also important as a large single-stage air compressor may be required to operate multiple air tools. Single-stage air compressors can be used in a variety of applications and can last for years.
For the most common uses, single-stage air compressors are the most practical option. These devices work with most hand tools, from hammers to grinders. Single-stage air compressors are lightweight and easy to move. However, two-stage air compressors provide more CFM, making them a better choice for industrial or commercial use. However, two-stage compressors are not suitable for private use. Therefore, if your main purpose is DIY and craft projects, it is better to choose a single-stage air compressor.
Compared with two-stage air compressors, single-stage screw air compressors are cheaper. They come from a variety of manufacturers and range in power from 3 to 600 horsepower. Single-stage air compressors are a cost-effective solution for a variety of air compressor needs. They offer flexibility and multiple control methods, making them an excellent choice for many different applications. Therefore, when choosing an air compressor for your business, choose the one with the most suitable functions.
Single-stage air compressors are the most affordable and easy-to-use air compressors for small to medium jobs. They also have higher compression ratios. The compression ratio is the ratio of absolute discharge pressure to absolute inlet pressure. When calculating the ratio, it takes into account atmospheric pressure and gauge pressure. The compression ratio pushes the surface area of ​​the rotor, which increases the thrust load.
Single-stage air compressors are smaller and easier to transport than two-stage units. Single-stage air compressors have one air intake, and two-stage air compressors have two air intakes. The difference between single-stage and two-stage air compressors largely depends on the number of times the air is compressed. A single-stage air compressor compresses the air once, while a dual-stage air compressor compresses the same amount of air twice.
air-compressor

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The two water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers two models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and two universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
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editor by CX 2023-05-24

China high quality 30HP Variable Spee Industrial Compressors Screw Air Compressor portable air compressor

Product Description

Product Description

22kw/30hp Variable Speed Industrial Compressors PM VSD  Energy Saving Screw Air Compressor
1. High-efficiency permanent magnet motors are more energy-efficient than ordinary three-phase asynchronous motors
2.The host adopts a new generation of profiled host, an integrated shaft structure, compact structure, stable operation and high energy efficiency
3.Intelligent control, reasonable design, high reliability of the whole machine, simple and convenient daily maintenance
4.PID fuzzy control makes the pressure control more accurate and the equipment runs more smoothly

Product Parameters

 

 

Model:SEM-30A
Exhaust volume: 3.4 m3/min
Exhaust pressure: 0.8 MPa
Motor power: 22 kW
Motor speed: 3000 r/min
Voltage/Frequency: 380V/200HZ
Motor protection class/insulation class: IP 23/F
Drive mode: permanent magnet frequency conversion
Noise value: ≤70±2 dB(A)
Cooling method: air cooling
Lubricant oil volume: 18L
Carrying amount of export gas lubricating oil: ≤3ppm
Automatic start mode: frequency conversion start
Outlet size: G1″
After cooling, the outlet compressed air temperature: ambient temperature +12C°
Box size (length*width*height): 1210*800*1160mm

Model Air delivery
(m3/min)
Power
kW

 

Noise

(DB)

Outlet diameter Dimension
(mm)
Weight
(kg)
0.8Mpa Length Width Height
SEM-10A 1.01 7.5 65±2 RP3/4 862 662 832 125
SEM-20A 2.30 15 70±2 G3/4 1110 750 1571 236
SEM-30A 3.40 22 70±2 G1 1210 800 1160 301
SEM-50A 6.10 37 70±2 G1 1/2 1250 1571 1250 460

 

Our Advantages

 

 

 

Detailed description

1.Rotor
Rotors are asymmetric in profile, backed up by ball bearings and roller bearings. Operates at a low speed, thereby low in abrasion and maintenance expenses, air end is long service life.

2.Control panel
Intelligent microcomputer-based control technology can monitor and control in all aspects the complete machine following your instructions, remote control realizes unattended operation.

3.Oil filter
Rotary filters are applied to completely remove the impurities in the lubricating oil, easy to replace and free of oil impregnate.

4.Air filter
Original imported filter material,high efficiency 3 levels air separator, keep internal cleanliness of the system effectively.

5.Cooler
The cooler is located separately from the internal isolation of the chassis,so that the cooling fans would suck air with normal temperature from outside.Compared to cooling by using the air of 45~65°Cinside the chassis,the cooling fans could save over 30% energy when the temperature of the air outlet decreases 3~8°C.

6.Excellent quality of motors
Professional customized high efficiency permanent magnet motor,Compared to normal motors, Permanent magnet motor more excellent energy saving.protection grade:IP657.The air end of compressor is of high efficiency and long life
Excellent CZPT bearings are adopted for compressor air end to better improve their use efficiency,reduce abrasion.and to realize long term operation with no faults,low noise and long life.

Application industry

Air compressors are widely used in industries to meet customers’ various gas needs,such as Industrial equipment,pipelines, printing service, electric power, metallurgy, oil&gas, power plants, shipbuilding, plastics, painting, textile, blow molding, steel industry, chemical industry, shipyard, machanical etc.

Project case

Company Profile

Dehaha Compressor was founded in 1996 with over 150 skilled employees and more than 25 R&D engineersteams ‘ . We focus on the research & develop,manufacture and energy-saving solutions of screw air compressor to create value for customers and society.In 2018 our total sales volume approached 15 million US dollars.By over 23 years enhanced experiences of designing,producing and marketing,today our valued customers are over 130 countries. Germany Standard and 13 years exporting experience help us won more than 50 loyal overseas agents.

Dehaha’s primary businesses focus in following key areas: 
Oil-injected rotary screw compressors 
Portable screw air compressors 
Oil free air compressors 
High pressure air compressors 
Air treatment equipment

At Dehaha,we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries.All of our products are designed for reliable performance,easy maintenance,and maximum energy efficiency.We have sales representatives who can speak English,Spanish,French,and Russian which makes it easier for our clients from all over the world to interact and negotiate with us.

Dehaha continuously innovates product development and management to meet customers’ demand.The powerful enterprise culture and continuous innovation make CZPT improved rapidly to reach the business principle”Energy Saving First, Mutual Value Shared”. CZPT mission is to be a world-renowned high-end brand,with sustainable development,constantly improving its own value and sharing it with our customers and staff.Committed to offer our customers a silent and energy-saving manufactured products.

Certifications

 

Certificates

 

Our exhibition

 


Our service

1. 24h/7 after sales support in different languages
2. Follow up the in products in 2 months interval by email or call
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians
4. Technical training for customers in CZPT air compressor factory or working site.
5. plenty of drginal spare parts with proven quality are all available from our stocks in Jianhgsu .
6. All kinds of technical documents in different languges.

FAQ

1.Why customer choose us? 

DHH CZPT ZheJiang CO.,LTD.with 23 years old history,we are specialized in Rotary Screw Air Compressor.Germany Standard and 13 years exporting experience help us won more than 30 loyal foreign agents.We warmly welcome your small trial order for quality or market test.

2.Are you a manufacturer or trading company?
We are professional manufacturer with big modern factory in HangZhou,China,with professional design team.Both OEM & ODM service can be accepted.

3.Where is your factory located? How can I visit there?
Our factory is located in HangZhou City, ZheJiang Province, China. We can pick up you from ZheJiang , it’s about 1 hour from ZheJiang Xihu (West Lake) Dis. Airport to our factory. Warmly welcome to visit us!

4.What’s your delivery time?
380V 50HZ we can delivery the goods within 14 days. Other electricity or other color we will delivery within 22 days,if urgently order,pls contact our sales in advance.

5.How long is your air compressor warranty?
One year for the whole machine and 2 years for screw air end, except consumable spare parts and we can provide some spare parts of the machines.

6.How does your factory do regarding quality control?
Quality is everything. we always attach great importance to quality controlling from the very beginning to the very end. Our factory has gained ISO9001:2015 authentication and CE certificate.

7.How long could your air compressor be used?
Generally, more than 10 years.

8. What’s payment term?
T/T,L/C,D/P,Western Union,Paypal,Credit Card,and etc.Also we could accept USD, RMB, Euro and other currency.

9.How about your customer service?
24 hours on-line service available.48 hours problem solved promise.

10.How about your after-sales service?
(1) Provide customers with installation and commissioning online instructions.
(2) Well-trained engineers available to overseas service.
(3) CZPT agents and after service available.

After-sales Service: Online Support
Warranty: 24montrhs
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

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air-compressor

what to see in an air compressor

If you need to buy an air compressor, you should know what to look for. The types of air compressors on the market are classified according to their CFM rating, safety devices, and pumps. There are several differences between lubricated and oil-free air compressors that you should know before buying. To better understand the difference between these types of air compressors, read on. This article will guide you through these differences.

Pump

If you are looking for a quality air compressor, you have come to the right place. A good air compressor pump will provide high pressure for anything from tires to boats and more. There are hundreds of different models to choose from, and the great thing about buying one from a Chinese manufacturer is that they have so many options. More importantly, Chinese manufacturers can customize air equipment such as air compressors at low prices.
A good quality air pump won’t break easily, but you’ll be able to use it for years. Choosing a high-quality pump will help you avoid many hassles on the road, such as unplanned downtime and installation costs. Plus, a pump from the same manufacturer as your air compressor is your best bet to ensure optimum performance. Listed below are some tips for finding a quality pump for your air compressor.
The air compressor is an important but unremarkable invention. Without them, our lives would be completely different. Without a pump, we can’t get hot water from central heating, nor can we get heat from the refrigerator. We can’t inflate bicycle tires, and we can’t refuel cars. Pumps are vital to all kinds of machines. So why is it important to choose the right product? The answer may surprise you.
Different types of pumps are used for different applications. Positive displacement pumps move a fixed volume of fluid and direct it to a drain. This design ensures constant flow at a constant speed regardless of discharge pressure. Centrifugal pumps work differently. The impeller accelerates the fluid, converting the input energy into kinetic energy. This type of pump is most commonly used in mines, air conditioning, industrial plants, and flood control.

safety equipment

There are several safety features you should check when using an air compressor. First, check the connection of the air filter to the air. If they come loose, parts may separate and cause injury. Another important safety feature is the shut-off valve. When working near compressed air, the shut-off valve should be within easy reach and visibility. Moving parts and other equipment must be protected with protective covers. Check safety valve and replace damaged parts.
Rupture discs are copper discs located on the air cooler. When the air pressure exceeds a certain limit, it bursts. Fusible plugs contain materials that melt at high temperatures. The compressor should have a lubricating oil pressure alarm and cut off the trip signal. If these two safety devices fail, the compressor should be stopped immediately. The rupture disc should be inspected at least weekly to ensure it does not rupture under pressure.
If the pressure level is too high, and overcurrent protection device cuts power to the motor. It also automatically shuts off the compressor when the hose ruptures or the air volume exceeds a preset level. The device should be installed on the air compressor to prevent accidents. Its job is to protect the operator from harm. If employees do not follow these safety measures, they may cause equipment damage.
To ensure safety when operating the air compressor, safety glasses and gloves should be worn. Pressurized air can cause eye injury, and crash goggles can provide a barrier to prevent this. Additionally, the self-retracting cord prevents trip hazards and reinforces excess cord. You should also keep your hands and body away from the air nozzle. This will prevent you from being sprayed with compressed air.

CFM Rating

An air compressor’s PSI and CFM ratings indicate the pressure and volume it can deliver. PSI stands for pounds per square inch and measures the force and pressure contained in one square inch of air. These two indicators are equally important when choosing an air compressor. If you need a lot of compressed air for a specific application, you will need a higher psi compressor. Likewise, if you are using compressed air in a smaller application, a low cfm compressor will not provide enough power to meet your needs.
When comparing different air compressors, be sure to pay close attention to horsepower and CFM ratings. While compressor power is essential for some tasks, it is not the most important aspect. The CFM rating of an air compressor will determine how big a project it can handle and how long it takes to charge. Make sure you understand the CFM and PSI ratings of your future compressors, as not knowing these important statistics can frustrate you and drive up costs.
In general, it is best to choose an air compressor with a CFM rating higher than the size of the air tool. This will ensure that the air compressor has enough pressure to work multiple tools efficiently at the same time. While smaller CFM ratings may be sufficient for smaller projects, larger tools such as drills require a lot of air. Therefore, the higher the CFM, the larger and more powerful the tool.
Once you understand the CFM of an air compressor, you can start looking for the right tool. You can check the CFM rating of your air compressor online by commenting below. If you’re not sure about the size of your air tool, you can always buy a second air compressor. This is a great way to double the CFM of your air compressor! You’ll have more air to do more work, and your compressor will last longer.
air-compressor

Lack of oil and lubrication

Oil-free air compressors have a smaller footprint and require less maintenance than oil-lubricated air compressors. Although oil-lubricated air compressors are more expensive and heavier than oil-free air compressors, they are also ideal for stationary use. The benefits of oil-free air compressors include greater durability and lower maintenance costs. The advantages and disadvantages of each type are discussed below.
Oil-free air compressors are generally quieter than oil-lubricated air compressors. However, you may still experience some noise while using it. To avoid this, you should choose a quiet intake compressor. However, if you work next to a noisy compressor, you should buy a muffler, an aftermarket filter that reduces compressor noise.
If you want to use the air compressor for a long time, the oil-free model is not the right choice. Its Teflon coating wears off over time, especially at extreme temperatures. Additionally, oil-free air compressors have a large number of moving parts that require regular maintenance, while oil-filled air compressors are great for those who don’t want to invest in extra parts.
Another major difference between oil-free and oil-lubricated air compressors is lubrication. Oil-lubricated air compressors require regular lubrication whereas oil-free air compressors are pre-lubricated. They have fewer parts and are cheaper. Oil-free air compressors are lighter than oil-lubricated air compressors. In addition to being more affordable, oil-free air compressors are more powerful and durable.
While oil-filled air compressors are more efficient and durable, they generate a lot of heat. However, they are also more expensive and require regular oil changes. Furthermore, they are difficult to transport. They also need to be permanently installed. These air compressors are also not portable and require a fixed location. So, consider your needs before deciding which type is best for you. When you’re choosing an air compressor for your business, be sure to shop around.
air-compressor

noise level

If you are wondering what the noise level of an air compressor is, the answer depends on your specific equipment and working environment conditions. Typically, air compressors produce 40 to 90 decibels of noise. Although the lower the decibel level, the quieter the compressor will be. Larger, more powerful air compressors produce higher noise levels than their little brothers. But no matter how big the air compressors are, it’s a good idea to wear hearing protection while working around them.
When purchasing a new air compressor, the noise level of the air compressor should be considered. While this may seem like a small problem, there are actually a lot of variations on these noisy machines. The most common type of air compressor is the reciprocating piston pump. This model uses pistons similar to an engine to rotate inside a chamber. The piston moves quickly and traps air proportional to its size. Single-piston air compressors are generally noisier than twin-piston models, also known as twin cylinders.
But even if you have the proper equipment to protect your hearing, it’s still important to know the noise level of an air compressor. Even if the noise is not immediately dangerous, it can still cause temporary or permanent hearing loss. This condition is called noise-induced hearing loss, and an air compressor with a sound level of 80 or higher can cause permanent hearing damage. You can avoid potential damage to your hearing and prevent accidents by simply paying attention to the noise level of your air compressor.
Air compressors are inherently noisy, but if you take steps to reduce their noise levels, you can minimize disruption to neighbors and co-workers. For example, installing a sound enclosure in your work area can prevent your air compressor from making as much noise as before. Depending on your workspace, you can also try installing a long air hose, which will reduce sound levels by up to 25%.
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editor by CX 2023-05-22