Product Description
If you are interested in any of our products,please feel free to contact us.
We are looking CHINAMFG to cooperating,growing and developing with your sincerely.
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| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Structure Type: | Closed Type |
| Installation Type: | Stationary Type |
| Performance: | Low Noise |
| Customization: |
Available
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Can air compressors be used for painting and sandblasting?
Yes, air compressors can be used for both painting and sandblasting applications. Here’s a closer look at how air compressors are utilized for painting and sandblasting:
Painting:
Air compressors are commonly used in painting processes, especially in automotive, industrial, and construction applications. Here’s how they are involved:
- Spray Guns: Air compressors power spray guns used for applying paint coatings. The compressed air atomizes the paint, creating a fine mist that can be evenly sprayed onto surfaces. The pressure and volume of the compressed air impact the spray pattern, coverage, and overall finish quality.
- Paint Mixers and Agitators: Compressed air is often used to power mixers and agitators that ensure proper blending of paint components. These devices use the compressed air to stir or circulate the paint, preventing settling and maintaining a consistent mixture.
- Airbrushing: Air compressors are essential for airbrushing techniques, which require precise control over airflow and pressure. Airbrushes are commonly used in artistic applications, such as illustrations, murals, and fine detailing work.
Sandblasting:
Air compressors play a crucial role in sandblasting operations, which involve propelling abrasive materials at high velocity to clean, etch, or prepare surfaces. Here’s how air compressors are used in sandblasting:
- Blasting Cabinets: Air compressors power blasting cabinets or booths, which are enclosed spaces where the sandblasting process takes place. The compressed air propels the abrasive media, such as sand or grit, through a nozzle or gun, creating a forceful stream that impacts the surface being treated.
- Abrasive Blasting Pots: Air compressors supply air to abrasive blasting pots or tanks that store and pressurize the abrasive media. The compressed air from the compressor enters the pot, pressurizing it and allowing for a controlled release of the abrasive material during the sandblasting process.
- Air Dryers and Filters: In sandblasting applications, it is crucial to have clean, dry air to prevent moisture and contaminants from affecting the abrasive blasting process and the quality of the surface being treated. Air compressors may be equipped with air dryers and filters to remove moisture, oil, and impurities from the compressed air.
When using air compressors for painting or sandblasting, it is important to consider factors such as the compressor’s pressure and volume output, the specific requirements of the application, and the type of tools or equipment being used. Consult the manufacturer’s guidelines and recommendations to ensure the air compressor is suitable for the intended painting or sandblasting tasks.
Proper safety measures, such as wearing protective gear and following established protocols, should always be followed when working with air compressors for painting and sandblasting applications.
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Can air compressors be used for inflating tires and sporting equipment?
Yes, air compressors can be used for inflating tires and sporting equipment, providing a convenient and efficient method for achieving the desired air pressure. Here’s how air compressors are used for these purposes:
1. Tire Inflation:
Air compressors are commonly used for inflating vehicle tires, including car tires, motorcycle tires, bicycle tires, and even larger truck or trailer tires. Air compressors provide a continuous source of pressurized air, allowing for quick and accurate inflation. They are often used in automotive repair shops, gas stations, and by individuals who regularly need to inflate tires.
2. Sporting Equipment Inflation:
Air compressors are also useful for inflating various types of sporting equipment. This includes inflatable balls such as soccer balls, basketballs, footballs, and volleyballs. Additionally, air compressors can be used to inflate inflatable water toys, air mattresses, inflatable kayaks, and other recreational items that require air for proper inflation.
3. Air Tools for Inflation:
Air compressors can power air tools specifically designed for inflation purposes. These tools, known as inflators or air blow guns, provide controlled airflow for inflating tires and sporting equipment. They often have built-in pressure gauges and nozzles designed to fit different types of valves, making them versatile and suitable for various inflation tasks.
4. Adjustable Pressure:
One advantage of using air compressors for inflation is the ability to adjust the pressure. Most air compressors allow users to set the desired pressure level using a pressure regulator or control knob. This feature ensures that tires and sporting equipment are inflated to the recommended pressure, promoting optimal performance and safety.
5. Efficiency and Speed:
Air compressors provide a faster and more efficient inflation method compared to manual pumps. The continuous supply of compressed air allows for quick inflation, reducing the time and effort required to inflate tires and sporting equipment manually.
6. Portable Air Compressors:
For inflating tires and sporting equipment on the go, portable air compressors are available. These compact and lightweight compressors can be easily carried in vehicles or taken to sports events and outdoor activities, ensuring convenient access to a reliable air supply.
It is important to note that when using air compressors for inflating tires, it is recommended to follow manufacturer guidelines and proper inflation techniques to ensure safety and avoid overinflation.
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What are the key components of an air compressor system?
An air compressor system consists of several key components that work together to generate and deliver compressed air. Here are the essential components:
1. Compressor Pump: The compressor pump is the heart of the air compressor system. It draws in ambient air and compresses it to a higher pressure. The pump can be reciprocating (piston-driven) or rotary (screw, vane, or scroll-driven) based on the compressor type.
2. Electric Motor or Engine: The electric motor or engine is responsible for driving the compressor pump. It provides the power necessary to operate the pump and compress the air. The motor or engine’s size and power rating depend on the compressor’s capacity and intended application.
3. Air Intake: The air intake is the opening or inlet through which ambient air enters the compressor system. It is equipped with filters to remove dust, debris, and contaminants from the incoming air, ensuring clean air supply and protecting the compressor components.
4. Compression Chamber: The compression chamber is where the actual compression of air takes place. In reciprocating compressors, it consists of cylinders, pistons, valves, and connecting rods. In rotary compressors, it comprises intermeshing screws, vanes, or scrolls that compress the air as they rotate.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air. It acts as a buffer, allowing for a steady supply of compressed air during peak demand periods and reducing pressure fluctuations. The tank also helps separate moisture from the compressed air, allowing it to condense and be drained out.
6. Pressure Relief Valve: The pressure relief valve is a safety device that protects the compressor system from over-pressurization. It automatically releases excess pressure if it exceeds a predetermined limit, preventing damage to the system and ensuring safe operation.
7. Pressure Switch: The pressure switch is an electrical component that controls the operation of the compressor motor. It monitors the pressure in the system and automatically starts or stops the motor based on pre-set pressure levels. This helps maintain the desired pressure range in the receiver tank.
8. Regulator: The 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, ensuring a consistent and safe supply of compressed air.
9. Air Outlet and Distribution System: The air outlet is the point where the compressed air is delivered from the compressor system. It is connected to a distribution system comprising pipes, hoses, fittings, and valves that carry the compressed air to the desired application points or tools.
10. Filters, Dryers, and Lubricators: Depending on the application and air quality requirements, additional components such as filters, dryers, and lubricators may be included in the system. Filters remove contaminants, dryers remove moisture from the compressed air, and lubricators provide lubrication to pneumatic tools and equipment.
These are the key components of an air compressor system. Each component plays a crucial role in the generation, storage, and delivery of compressed air for various industrial, commercial, and personal applications.


editor by CX 2024-02-04
China Custom 110kw 150HP Oil Injected Screw Air Compressor Fix Speed 7 8 10 13 Barg air compressor for car
Product Description
Crownwell Oil-Injected Rotary Screw Compressors
CWD 7-400 & CWD 7-400 PM
Power output: 7-400 kW / 10-500 hp
Delivery rate: 0.8-71.2 m3/min / 28-2514 cfm
Pressure range: 7-13 bar / 100-190 psig
CROWNWELL COMPRESSOR – HIGHEST STHangZhouRD
SIMPLICITY BUT NOT SIMPLE
For 3 generations, customers from mechanical engineering, industry and trade have relied on CHINAMFG know-how when it comes to plHangZhou, developing and manufacturing compressed air systems. They are fully aware of the fact that CHINAMFG AIR is more than just ordinary compressed air: utmost safety, outstanding efficiency, excellent quality, maximized flexibility along with dependable service are the ingredients to transform CHINAMFG AIR into air to work with – in China, in Asia and in more than 102 countries around the world.
The III generation, the basis for economical compressed air production
The Know-How
More than decades of know-how in manufacturing for the compressed air market. World wide knowledge in different compressed air applications have guided the development of customer specified stationary screw compressors.
Technical Advancement for your Benefit
The advantage of CHINAMFG lies in its simplified construction. Fewer components are utilized. This means a 60% reduction in main and wearing parts and over 70% fewer pipes and connections. In turn, this greatly reduces the risk of leakages, making the system environmentally friendly. Safe direct drive operation without V-belt transmission.
The CHINAMFG CHINAMFG works in the following way:
Ambient air is drawn through the intake filter and the multifunctional control system into the CHINAMFG block. This block consists of a pair of screw rotors. The main rotor, driven by an electric motor, takes the secondary rotor with it. The air is drawn in by the rotation of both of the interlocking rotors and is continually compressed. During rotation, coolant is injected into the rotors and forms a hydrostatic film between the main and secondary rotors. The function of the coolant is to seal the rotors, lubricate the bearings and adsorb the compression heat. Before compressed air leaves the compressor ( at 80 ºC approx.) it is separated from the coolant before being cooled in the aftercooler to approx.. 8ºC to 12ºC above the ambient temperature. The coolant then passes to the thermostatic control block and filter, before entering the cooler where it is cooled from approx.. 80ºC down to 50ºC. It is then injected back into the CHINAMFG block.
Features:
Direct drive via flexible coupling.
Fully encapsulated CHINAMFG CHINAMFG block.
Standard electric motor Protection Index IP23 and IP54.
User friendly service access.
Top quality, washable, oil resistant sound insulation.
Ready for operation, prewired and fully enclosed.
With operating mode selector switch Automatic-Off-Continuous.
Centrally mounted cooling fan provided for compressed air and lubricant coolers.
Compact and neat cabinet design.
Optional Equipment:
Sense of rotation
Multiple unit control with automatic base load selection
Full motor protection
Mains isolator switch for wall mounting
Beyond these features we offer a wide choice of compressed air accessories in reference to our compressor product range.
Energy Recovery Systems CROWNWELL-THERM
Compressed Air Filters
Compressed Air Dryers
Condensate Traps
Oil-Water Separators
Compressed Air Receivers
Crownwell OIL-INJECTED FIXED SPEED COMPRESSOR
TECHNICAL SPECIFICATIONS CWD 7-400
(7.5-400kW / 10-500hp)
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD7 | 7.5 / 10 | 1.3 | 1.2 | 1.0 | 0.8 | 66 | 880*700*920 | 240 |
| CWD11 | 11 / 15 | 1.7 | 1.6 | 1.4 | 1.2 | 68 | 1080*750*1000 | 400 |
| CWD15 | 15 / 20 | 2.5 | 2.3 | 2.1 | 1.9 | 68 | 1080*750*1000 | 420 |
| CWD18 | 18.5 / 25 | 3.2 | 3.0 | 2.7 | 2.4 | 68 | 1280*850*1160 | 550 |
| CWD22 | 22 / 30 | 3.8 | 3.6 | 3.2 | 2.8 | 68 | 1280*850*1160 | 580 |
| CWD30 | 30 / 40 | 5.3 | 5.0 | 4.5 | 4.0 | 68 | 1280*850*1160 | 600 |
| CWD37 | 37 / 50 | 6.8 | 6.2 | 5.6 | 5.0 | 68 | 1400*1000*1290 | 800 |
| CWD45 | 45 / 60 | 8.0 | 7.3 | 7.0 | 5.9 | 72 | 1400*1000*1290 | 850 |
| CWD55 | 55 / 75 | 10.1 | 9.5 | 8.7 | 7.8 | 72 | 1800*1230*1570 | 1660 |
| CWD75 | 75 / 100 | 13.6 | 12.8 | 12.3 | 10.2 | 72 | 1800*1230*1570 | 1800 |
| CWD90 | 90 / 125 | 16.2 | 15.5 | 14.0 | 12.5 | 72 | 1800*1230*1570 | 1900 |
| CWD110 | 110 / 150 | 21.2 | 19.8 | 17.8 | 15.5 | 72 | 2400*1470*1840 | 2500 |
| CWD132 | 132 / 180 | 24.5 | 23.2 | 20.5 | 17.8 | 75 | 2400*1470*1840 | 2700 |
| CWD160 | 160 / 215 | 28.8 | 27.8 | 25.0 | 22.4 | 75 | 2400*1470*1840 | 3000 |
| CWD185 | 185 / 250 | 32.5 | 31.2 | 28.0 | 25.8 | 75 | 3150*1980*2150 | 3500 |
| CWD200 | 200 / 270 | 36.0 | 34.3 | 30.5 | 28.0 | 82 | 3150*1980*2150 | 4000 |
| CWD250 | 250 / 350 | 43.0 | 41.5 | 38.2 | 34.9 | 82 | 3150*1980*2150 | 4500 |
| CWD315 | 315 / 400 | 51.0 | 50.2 | 44.5 | 39.5 | 82 | 3150*1980*2150 | 6000 |
| CWD355 | 355 / 450 | 64.0 | 61.0 | 56.5 | 49.0 | 84 | 3150*1980*2150 | 6500 |
| CWD400 | 400 / 500 | 71.2 | 68.1 | 62.8 | 52.2 | 84 | 3150*1980*2150 | 7200 |
- Unit performance measured according to ISO 1217, Annex C, Edition 4 (2009)
Reference conditions:
-Relative humidity 0%
-Absolute inlet pressure: 1 bar (a) (14.5 psi)
-Intake air temperature: 20°C, 68°F
- Noise level measured according to ISO 2151:2004, operation at max. operating pressure and max. speed; tolerance: ±3 dB(A)
Crownwell OIL-INJECTED PERMANENT MAGNET COMPRESSOR
TECHNICAL SPECIFICATIONS CWD 7-400 PM
(7.5-400kW / 10-500hp)
| Model | Motor Power kW / hp |
Free Air Delivery m3/min |
Noise Level dB(A) |
Dimension L * W * H mm |
Weight Kg |
|||
| 7barg | 8barg | 10barg | 13barg | |||||
| CWD7 PM | 7.5 / 10 | 1.3 | 1.2 | 1.0 | 0.8 | 66 | 760*700*920 | 200 |
| CWD11 PM | 11 / 15 | 1.7 | 1.6 | 1.4 | 1.2 | 68 | 980*750*1000 | 350 |
| CWD15 PM | 15 / 20 | 2.5 | 2.3 | 2.1 | 1.9 | 68 | 980*750*1000 | 360 |
| CWD18 PM | 18.5 / 25 | 3.2 | 3.0 | 2.7 | 2.4 | 68 | 1120*850*1160 | 500 |
| CWD22 PM | 22 / 30 | 3.8 | 3.6 | 3.2 | 2.8 | 68 | 1120*850*1160 | 520 |
| CWD30 PM | 30 / 40 | 5.3 | 5.0 | 4.5 | 4.0 | 68 | 1120*850*1160 | 550 |
| CWD37 PM | 37 / 50 | 6.8 | 6.2 | 5.6 | 5.0 | 68 | 1280*1000*1290 | 750 |
| CWD45 PM | 45 / 60 | 8.0 | 7.3 | 7.0 | 5.9 | 72 | 1280*1000*1290 | 780 |
| CWD55 PM | 55 / 75 | 10.1 | 9.5 | 8.7 | 7.8 | 72 | 1800*1230*1570 | 1600 |
| CWD75 PM | 75 / 100 | 13.6 | 12.8 | 12.3 | 10.2 | 72 | 1800*1230*1570 | 1800 |
| CWD90 PM | 90 / 125 | 16.2 | 15.5 | 14.0 | 12.5 | 72 | 1800*1230*1570 | 1900 |
| CWD110 PM | 110 / 150 | 21.2 | 19.8 | 17.8 | 15.5 | 72 | 2400*1470*1840 | 2500 |
| CWD132 PM | 132 / 180 | 24.5 | 23.2 | 20.5 | 17.8 | 75 | 2400*1470*1840 | 2700 |
| CWD160 PM | 160 / 215 | 28.8 | 27.8 | 25.0 | 22.4 | 75 | 2400*1470*1840 | 3000 |
| CWD185 PM | 185 / 250 | 32.5 | 31.2 | 28.0 | 25.8 | 75 | 3150*1980*2150 | 3500 |
| CWD200 PM | 200 / 270 | 36.0 | 34.3 | 30.5 | 28.0 | 82 | 3150*1980*2150 | 4000 |
| CWD250 PM | 250 / 350 | 43.0 | 41.5 | 38.2 | 34.9 | 82 | 3150*1980*2150 | 4500 |
| CWD315 PM | 315 / 400 | 51.0 | 50.2 | 44.5 | 39.5 | 82 | 3150*1980*2150 | 6000 |
| CWD355 PM | 355 / 450 | 64.0 | 61.0 | 56.5 | 49.0 | 84 | 3150*1980*2150 | 6500 |
| CWD400 PM | 400 / 500 | 71.2 | 68.1 | 62.8 | 52.2 | 84 | 3150*1980*2150 | 7200 |
- Unit performance measured according to ISO 1217, Annex C, Edition 4 (2009)
Reference conditions:
-Relative humidity 0%
-Absolute inlet pressure: 1 bar (a) (14.5 psi)
-Intake air temperature: 20°C, 68°F
- Noise level measured according to ISO 2151:2004, operation at max. operating pressure and max. speed; tolerance: ±3 dB(A)
- PM-Permanent Magnet
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | AC Cooling and Air Cooling |
| Power Source: | AC Power |
| Customization: |
Available
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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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.
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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.
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What are the different types of air compressors?
There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:
1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.
2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws 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. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.
3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.
4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.
5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.
6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.
These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.


editor by CX 2023-12-07
China OEM Reliable Factory Price 390cfm 8bar 11m3/Min Diesel Screw Air Compressor air compressor for car
Product Description
| Model | MDS390S-8C | |||||||||
| Compressor | Air delivery |
m3/min | 11 | |||||||
| cu.ft/min | 390.0 | |||||||||
| Discharge pressure | bar | 8 | ||||||||
| psig | 116 | |||||||||
| Lubricating Oli Capacity(L) | 39 | |||||||||
| Diesel Engine |
Manufacture&Model | Cummins 4BTA3.9-C125 | ||||||||
| Cylinder Number | 4 | |||||||||
| Displacement(L) | 3.9 | |||||||||
| Rotation speed | Rated speed | 2100 | ||||||||
| Idle speed(r/min) | 1500 | |||||||||
| Rated power(KW[HP]) | 93 | |||||||||
| Lubricating Oil Capacity(L) | 9 | |||||||||
| Coolant Capacity(L) | 20 | |||||||||
| Battery | 6-QW-80 | |||||||||
| Standard Configuration |
| General Features |
| Structure diagram |
| Feature&Benefit | ||||||||||
| Feature | Benefit | |||||||||
| Pressure selection and control | Easy pressure setting | |||||||||
| Flow selection and control | The working pressure and airflow rate can be adjusted according to the size of air consumption without wasting any diesel | |||||||||
| The twin-screw rotor is directly connected with the diesel engine by a highly flexible coupling | Outputting more air with less energy consumption, featuring high reliability, longer service life, and low maintenance cost. | |||||||||
| The two-stage air filtration system | The total efficiency of air filtration reaches 99.8% ensuring the compressor to not be infringed by dust and dirt particles and longer service life of the engine | |||||||||
| High-temperature resistance design | Able to run for a long time under extreme cold or hot temperature from -20ºC to 50ºC | |||||||||
| One-button start, clear operational parameters | Operators don’t have to go through long-term professional training, and unattended operations can be achieved. | |||||||||
| Application areas | ||||||||||
| Field | Application | Nominal Working Pressure(bar) | Free Air Delivery Range(m3/min) | |||||||
| General Construction (building sites, road maintenance, bridges, tunnels, concrete pumping and shotcreting) |
Hand-held pneumatic breakers | 7~14 | 5~13 | |||||||
| Jack hammers | ||||||||||
| Air guns | ||||||||||
| Shotcrete equipment | ||||||||||
| Pneumatic wrenches | ||||||||||
| Nut runners | ||||||||||
| Ground Engineering Drilling (basement and foundation excavation for apartment blocks and other buildings) |
Pneumatic rock drills | 7~17 | 12~28 | |||||||
| Block cutters | ||||||||||
| Dewatering pumps. | ||||||||||
| Hand-held pneumatic breakers | ||||||||||
| Utility, CHINAMFG Blasting (shipyards, steel construction and large renovation jobs) |
Sandblasting (remove rust, scale, paint) |
7~10 | 10~22 | |||||||
| Blast Hole Drilling (aggregate production for construction stabilization, cement production in limestone quarries and open pit mining) |
Rock drills | 14~21 | 12~29 | |||||||
| Dewatering pumps | ||||||||||
| Hand-held breakers | ||||||||||
| High Pressure Drilling (drilling for water wells and foundations for high-rise buildings, along with geotechnical/geothermal applications) |
Water well drilling | 20~35 | 18~40 | |||||||
| DTH drilling | ||||||||||
| Rotary drilling | ||||||||||
| Selection table | ||||||||||
| Small Series | ||||||||||
| Small Series | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS55S-7 | 1.55 | 55 | 7 | 101.5 | D902 | 2925 | 1650 | 1200 | 1200 | 600 |
| MDS80S-7 | 2.24 | 80 | 7 | 101.5 | D1005 | 2925 | 1650 | 1200 | 1200 | 630 |
| MDS100S-7 | 2.8 | 100 | 7 | 101.5 | V1505 | 2925 | 1650 | 1200 | 1200 | 640 |
| MDS125S-7 | 3.5 | 125 | 7 | 101.5 | V1505 | 3065 | 1800 | 1500 | 1350 | 810 |
| MDS130S-8 | 3.7 | 132 | 8 | 116 | JE493 | 3065 | 1800 | 1500 | 1350 | 810 |
| MDS185S-7 | 5.18 | 185 | 7 | 101.5 | JE493 | 3200 | 1900 | 1740 | 1660 | 950 |
| MDS185S-10 | 5.18 | 185 | 10 | 145 | JE493 | 3050 | 1900 | 1740 | 1660 | 950 |
| Middle Series (Low&Medium pressure) | ||||||||||
| Middle Series (Low&Medium pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS265S-7 | 7.42 | 265 | 7 | 101.5 | JE493 | 3629 | 2200 | 1700 | 1470 | 1200 |
| MDS300S-14 | 8.4 | 300 | 14 | 203 | 4BTA3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS350S-10 | 9.9 | 354 | 10 | 145 | 4BT3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS390S-7 | 11 | 393 | 7 | 101.5 | 4BTA3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS390S-13 | 11 | 393 | 13 | 188.5 | QSB4.5 | 3850 | 3100 | 1810 | 2378 | 1980 |
| MDS429S-7 | 12 | 429 | 7 | 101.5 | 4BTA3.9 | 3850 | 2600 | 1810 | 2378 | 1800 |
| MDS429S-14 | 12 | 429 | 14 | 203 | QSB4.5 | 3850 | 3100 | 1810 | 2378 | 1980 |
| MDS500S-14 | 14.1 | 504 | 14 | 203 | 6BTAA5.9 | 4550 | 3600 | 1810 | 2378 | 3100 |
| MDS690S-14 | 19.3 | 689 | 14 | 203 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS720S-10 | 20.2 | 721 | 10 | 145 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS750S-12 | 21 | 750 | 12 | 174 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS786S-10.3 | 22 | 786 | 10.3 | 149.35 | QSB6.7 | 4950 | 3300 | 2170 | 2620 | 3500 |
| MDS820S-14 | 23 | 821 | 14 | 203 | 6LTAA8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS850S-8.6 | 24 | 857 | 8.6 | 124.7 | 6CTAA8.3 | 5300 | 4200 | 2170 | 2630 | 4600 |
| MDS900S-7.1 | 25.3 | 904 | 7.1 | 102.95 | 6CTA8.3 | 5300 | 4200 | 2170 | 2630 | 4600 |
| Middle Series (Medium&High pressure) | ||||||||||
| Middle Series (Medium&High pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS460S-17 | 13 | 464 | 17 | 246.5 | 6BTAA5.9 | 4600 | 3500 | 1800 | 2230 | 3500 |
| MDS620S-17 | 17.4 | 621 | 17 | 246.5 | 6LTAA8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS650S-19 | 18.2 | 650 | 19 | 275.5 | QSL8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS690S-20.4 | 19.4 | 693 | 20.4 | 295.8 | 6LTAA8.9 | 5300 | 4200 | 2170 | 2630 | 5200 |
| MDS770S-21 | 21.6 | 771 | 21 | 304.5 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS830S-18 | 23.2 | 830 | 18 | 261 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS820S-25 | 23 | 821 | 25 | 362.5 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5600 |
| MDS860S-20.4/17.3 | 24.2 | 864 | 20.4 | 295.8 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| 24.2 | 864 | 17.3 | 250.85 | |||||||
| MDS875S-23 | 24.5 | 875 | 23 | 333.5 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5600 |
| Large Series (Low&Medium pressure) | ||||||||||
| Large Series (Low&Medium pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS900S-14.2/10.5 | 25.1 | 896 | 14.2 | 205.9 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| 25.2 | 900 | 10.5 | 152.25 | |||||||
| MDS910S-14 | 25.6 | 914 | 14 | 203 | 6LTAA8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS970S-10 | 27.2 | 971 | 10 | 145 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1011S-8.6 | 28.3 | 1011 | 8.6 | 124.7 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1054S-12 | 29.5 | 1054 | 12 | 174 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1250S-8.6 | 35 | 1250 | 8.6 | 124.7 | QSL8.9 | 5300 | 4200 | 2100 | 2630 | 5280 |
| MDS1400S-13 | 40 | 1400 | 13 | 188.5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 5800 |
| MDS1600S-10.3 | 45 | 1600 | 10.3 | 149.35 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 5800 |
| MDS1785S-13 | 50 | 1785 | 13 | 188.5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 5800 |
| MDS2140S-10 | 60 | 2142 | 10 | 145 | QSZ14 | 7400 | 5400 | 2230 | 2630 | 8400 |
| Large Series (Medium&High pressure) | ||||||||||
| Large Series (Medium&High pressure) | FAD | Pressure | Engine model | Dimensional Date(mm) | ||||||
| m3/min | cfm | Bar | psig | length | width | height | weight(kg) | |||
| model | with tow bar | without tow bar | ||||||||
| MDS900S-20 | 25.3 | 904 | 20 | 290 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5800 |
| MDS960S-18 | 26.9 | 961 | 18 | 261 | QSM11 | 5300 | 4200 | 2100 | 2630 | 5800 |
| MDS1000S-35 | 28.2 | 1000 | 35 | 507.5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1089S-25 | 30.5 | 1089 | 25 | 362.5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1200S-24 | 33.6 | 1200 | 24 | 348 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1250S-21 | 35 | 1250 | 21 | 304.5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1250S-25 | 35 | 1250 | 25 | 362.5 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1250S-30 | 35 | 1250 | 30 | 435 | WP17G770E302 | 6200 | 4700 | 2100 | 2630 | 7800 |
| MDS1250S-35 | 35 | 1250 | 35 | 507.5 | WP17G770E302 | 6200 | 4700 | 2100 | 2630 | 7800 |
| MDS1250S-40 | 35 | 1250 | 40 | 580 | WP17G770E302 | 6200 | 4700 | 2100 | 2630 | 7800 |
| MDS1428S-18 | 40 | 1428 | 18 | 261 | QSZ13 | 6200 | 4700 | 2100 | 2630 | 7200 |
| MDS1428S-35 | 40 | 1428 | 35 | 507.5 | TAD1643VE-B | 7400 | 5500 | 2180 | 2650 | 10000 |
| MDS1428S-40 | 40 | 1428 | 40 | 580 | QSK19 | 7400 | 5500 | 2180 | 2650 | 10000 |
| MDS1600S-25 | 44.8 | 1600 | 25 | 362.5 | WP17G770E302 | 7400 | 5500 | 2180 | 2650 | 10000 |
| GTL Air compressor test system |
| After-sales Service: | Online |
|---|---|
| Warranty: | 1year |
| Lubrication Style: | Lubricated |
| Cooling System: | Water Cooling |
| Power Source: | Diesel Engine |
| Structure Type: | Closed Type |
| Customization: |
Available
|
|
|---|
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What role do air dryers play in compressed air systems?
Air dryers play a crucial role in compressed air systems by removing moisture and contaminants from the compressed air. Compressed air, when generated, contains water vapor from the ambient air, which can condense and cause issues in the system and end-use applications. Here’s an overview of the role air dryers play in compressed air systems:
1. Moisture Removal:
Air dryers are primarily responsible for removing moisture from the compressed air. Moisture in compressed air can lead to problems such as corrosion in the system, damage to pneumatic tools and equipment, and compromised product quality in manufacturing processes. Air dryers utilize various techniques, such as refrigeration, adsorption, or membrane separation, to reduce the dew point of the compressed air and eliminate moisture.
2. Contaminant Removal:
In addition to moisture, compressed air can also contain contaminants like oil, dirt, and particles. Air dryers help in removing these contaminants to ensure clean and high-quality compressed air. Depending on the type of air dryer, additional filtration mechanisms may be incorporated to enhance the removal of oil, particulates, and other impurities from the compressed air stream.
3. Protection of Equipment and Processes:
By removing moisture and contaminants, air dryers help protect the downstream equipment and processes that rely on compressed air. Moisture and contaminants can negatively impact the performance, reliability, and lifespan of pneumatic tools, machinery, and instrumentation. Air dryers ensure that the compressed air supplied to these components is clean, dry, and free from harmful substances, minimizing the risk of damage and operational issues.
4. Improved Productivity and Efficiency:
Utilizing air dryers in compressed air systems can lead to improved productivity and efficiency. Dry and clean compressed air reduces the likelihood of equipment failures, downtime, and maintenance requirements. It also prevents issues such as clogging of air lines, malfunctioning of pneumatic components, and inconsistent performance of processes. By maintaining the quality of compressed air, air dryers contribute to uninterrupted operations, optimized productivity, and cost savings.
5. Compliance with Standards and Specifications:
Many industries and applications have specific standards and specifications for the quality of compressed air. Air dryers play a vital role in meeting these requirements by ensuring that the compressed air meets the desired quality standards. This is particularly important in industries such as food and beverage, pharmaceuticals, electronics, and automotive, where clean and dry compressed air is essential for product integrity, safety, and regulatory compliance.
By incorporating air dryers into compressed air systems, users can effectively control moisture and contaminants, protect equipment and processes, enhance productivity, and meet the necessary quality standards for their specific applications.
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How are air compressors utilized in pneumatic tools?
Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:
Power Source:
Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.
Air Pressure Regulation:
Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.
Air Volume and Flow:
Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.
Tool Actuation:
Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.
Versatility:
One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.
Portability:
Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.
Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.
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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.


editor by CX 2023-10-20