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China best Heavy Duty Oil Free Powerful Electric Piston Air Compressor New Design Refrigerated Air Dryer for Air Compressor 300 Liter, Air Compressor Machine Prices with Good quality

Product Description

Production Introduction:
This seires air compressor widely used in pneumatuic lock, pneumatic tool, tire inflation,blowing process,spray, paint,sand bklsting and fluidic element. 

1) Filling station can be used for fire brigade divers base inflatable station,

2) mine, oil field chemicals, ship, climbing, water sports center industry for human rescue,

3) fire fighting, rescue, underwater operations breathing gas filling is ideal in rescue equipment.

Detail machine pictures, all photoes are for 100% real shooting !
1, Product Show

2, Specification

 AIR COMPRESSOR

Model NO.

V-0.25/8D-150L

Motor Power

2.2/3/5.5(KW/HP)

Cylinder

 φ 65mmX2  

Speed

980rpm/min 

Tank

    150L/39.6Gal       

Pressure

8Bar/115 Psi

Capacity

250L/min(8.8CFM)  

Weight

118KG  

Dimension

1300X430X865mm  

3,Detail show

4, feature:

1) Well-designed specifically for small and medium sized users;

2) The operation is simple, convenient, and less prone to failure;

3) Designed for filling the air available for breathing;

4) Guarantee inflatable gas pure health, no the oil tasteless displacement, high-pressure air filling quickly;

5) Practices can be achieved without power, and to facilitate the field work;

6) Small size, light weight, easy to move quickly;

7) Cost-effective, economical and practical.

8, Company Information
HangZhou  CHINAMFG Machinery Co., Ltd is 1 of the large-scale woodworking machinery manufacturer in China. The company is located in Wangtai town. 

Our company is a comprehensive enterprise which is specialized in research and development, design, manufacturing, sale and service. With advanced production equipment and professional technical staff of research and development, and management. Which is formed a unique management model and the standardization of production process. 

The leading products of woodworking products are CNC router, panel saw series, sanding machine series, woodworking drill machine, Pur wrapping machine, paper sticking machine, vacuum laminating machine, edge banding machine, computer engraving machine and the other series and over 60 standards.  With the scientific management, unique technology, and innovative products to meet customer demands. Our products get a very high reputation from our customers at home and abroad.  Our products are sold across the country and to Russia, Ukraine, Middle-East, South Africa, Southeast Asia, Central Europe and the other countries and areas. We have earned the trust of customers and our product process is in the leading level among the same industry of domestic.  It creates a famous brand called “XINLIHUI” and our products sell well both at home and abroad. It is the most trusted brand to our customers. 
We would like to work a new CHINAMFG development with the insight colleagues and we welcome all the new and old friends to visit our company and crest a brilliant tomorrow together.

 

Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Samples:
US$ 140/Piece
1 Piece(Min.Order)

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Customization:
Available

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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

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.

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

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.

China best Heavy Duty Oil Free Powerful Electric Piston Air Compressor New Design Refrigerated Air Dryer for Air Compressor 300 Liter, Air Compressor Machine Prices   with Good qualityChina best Heavy Duty Oil Free Powerful Electric Piston Air Compressor New Design Refrigerated Air Dryer for Air Compressor 300 Liter, Air Compressor Machine Prices   with Good quality
editor by CX 2023-12-08

China Good quality 22kw 30HP Stainless Steel Silent AC Electric Water Lubrication Medical Oil Free Rotary Screw Air Compressor for Food Pharmaceutical Industrial with Great quality

Product Description

Model :  Oil Free Series
Type:  Oil Free Screw Air Compressor
Working Pressure:  8~12.5bar
Installed Motor Power:  7.5~250 Kw
Capacity: 0.81~39.30 m3/min
Driven Method: Direct Driven
Power 380V / 3PH / 50HZ / 60HZ
220V / 3PH / 50HZ / 60HZ
440V / 3PH / 50HZ / 60HZ
415V / 3PH / 50HZ / 60HZ
Can be customized
Transport Package: Standard Wooden Packing
Motor protection grade IP54
Insulation class F
Outlet Air Humidity  ambient temperature+10ºC

Product Features
        In pharmaceutical, electronic, chemical, microbial fermentation, blow moulding, pressure detection and other industrial production, there are many medium-pressure compressed air to be used to 1.6-4.0 MPa in power plants, naval ships, national defense facilities. At present, piston air compressors are mostly used at home and abroad, while piston air compressors are characterized by large vibration, high noise, large leakage and short service life, so their efficiency is very low and the same work is done. The medium pressure oil-free screw machine has compact structure, high working efficiency, low noise, low vibration, easy maintenance, low operating cost and good air quality. At the same time, the series of machines are controlled by micro-computer system. The whole machine has multiple protective performance of pressure, temperature and overload energy.
1.Constant pressure control: high-precision constant pressure control with a pressure fluctuation range within0.01MPa.
2. Variable frequency soft start: remove CHINAMFG current during starting, avoid the power grid impact, prevent the current impact through gradual speed regulation and improve flexibility; 
3.No idling: prevent idling of the compressor during running and reduce invalid energy consumption;
3.High performance vector control: low-frequency starting provides a large torque and a low running current, ensuring to get a reasonable torque to drive the air compressor to run stably with the minimum temperature rise of the motor within a wide speed range;

Model Working pressure Capacity Motor power Noise
dB(A)
Inlet and outlet pipe dia. of cooling water Cooling water
volume
Lubricating
water
Dimension(mm) Net weight Air outlet
bar m3/min kw/hp Inlet water
temp. 32ºC(T/H)
L L*W*H KGS
SGM08 8 1.17  7.5/10 58 3/4″ 2 10 800*800*1100(A)
800*800*1100(W)
470 3/4″
10 1.05 
12.5 0.81 
SGM11 8 1.65  11/15 60 1″ 2.5 26 1200*760*1300(A)
1200*760*1300(W)
580 3/4″
10 1.42 
12.5 1.10 
SGM15 8 2.43  15/20 63 1″ 3.5 26 1200*760*1300(A)
1200*760*1300(W)
620 3/4″
10 2.17 
12.5 1.80 
SGM18 8 3.13  18.5/25 65 1″ 4 30 1400*900*1450(A)
1400*900*1450(W)
680 1″
10 2.82 
12.5 2.05 
SGM22 8 3.52  22/30 65 1″ 5 30 1400*900*1450(A)
1400*900*1450(W)
730 1″
10 3.21 
12.5 2.78 
SGM30 8 5.12  30/40 67 1 1/2″ 7 40 1550*1150*1500(A)
1500*1150*1300(W)
1100 1 1/4″
10 4.43 
12.5 3.63 
SGM37 8 6.30  37/50 67 1 1/2″ 9 40 1550*1150*1500(A)
1500*1150*1300(W)
1150 1 1/4″
10 5.33 
12.5 4.77 
SGM45 8 7.40  45/60 68 1 1/2″ 10 90 1800*1300*1750(A)
1800*1300*1680(W)
1390 2″
10 6.30 
12.5 5.56 
SGM55 8 9.60  55/75 70 1 1/2″ 12 120 1980*1400*1850(A)
1800*1300*1680(W)
1470 2″
10 8.55 
12.5 7.67 
SGM75 8 13.00  75/100 73 1 1/2″ 18 120 2100*1600*1900(A)
1800*1300*1750(W)
2250
1630
2″
10 11.50 
12.5 9.70 
SGM90 8 14.80  90/120 73 1 1/2″ 20 180 2400*1600*2000(A)
2200*1550*1800(W)
2650
2350
2 1/2″
10 13.90 
12.5 12.60 
SGM110 8 19.85  110/150 78 2″ 24 180 2700*1600*2100(A)
2200*1550*1800(W)
2950
2460
2 1/2″
10 16.66 
12.5 15.56 
SGM132 8 23.10  132/175 78 2″ 30 240 3000*1700*2250(A)
2200*1550*1800(W)
3500
2500
2 1/2″
10 19.97 
12.5 16.90 
SGM160 8 28.11  160/200 80 3″ 35 240 3000*1800*2100(W) 3700 3″
10 25.45 
12.5 22.52 
SGM185 8 33.97  185/250 80 3″ 38 300 3000*1800*2100(W) 3750 3″
10 29.00 
12.5 25.21 
SGM200 8 36.75  200/275 80 4″ 42 300 3100*1850*2100(W) 3900 4″
10 32.78 
12.5 29.24 
SGM220 8 39.67  220/300 80 4″ 47 360 3100*1850*2100(W) 4200 4″
10 36.75 
12.5 29.63 
SGM250 8 43.50  250/350 80 4″ 53 360 3100*1850*2100(W) 4600 4″
10 39.30 
12.5 34.00 
Motor Protection Class:IP54/IP55 or as per your requests.
Voltage: 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.
In the external dimensions: “A” means air cooling, and “W” means water cooling.

Q1: What is the rotor speed for the air end?
A1: 2980rmp.

Q2: What’s your lead time?
A2: usually, 5-7 days. (OEM orders: 15days)

Q3: Can you offer water cooled air compressor?
A3: Yes, we can (normally, air cooled type).

Q4: What’s the payment term?
A4: T/T, L/C, Western Union, etc. Also we could accept USD, RMB, and other currency.

Q5: Do you accept customized voltage?
A5: Yes. 380V/50Hz/3ph, 380V/60Hz/3ph, 220V/50Hz/3ph, 220V/60Hz/3ph, 440V/50Hz/3ph, 440V/60Hz/3ph, or as per your requests.

Q6: What is your warranty for air compressor?
A6: One year for the whole air compressor(not including the consumption spare parts) and technical supports can be provided according to your needs.

Q7: Can you accept OEM orders?
A7: Yes, OEM orders are warmly welcome.

Q8: How about your customer service and after-sales service?
A8: 24hrs on-line support, 48hrs problem solved promise.

Q9: Do you have spare parts in stock?
A9: Yes, we do.

Q10: What kind of initial lubrication oil you used in air compressor?
A10: TOTAL 46# mineral oil.

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.

 

After-sales Service: Online Support, Dispatched Engineers
Warranty: 1 Year
Lubrication Style: Oil-free
Customization:
Available

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Shipping Cost:

Estimated freight per unit.







about shipping cost and estimated delivery time.
Payment Method:







 

Initial Payment



Full Payment
Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What are the energy-saving technologies available for air compressors?

There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:

1. Variable Speed Drive (VSD) Compressors:

VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.

2. Energy-Efficient Motors:

The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.

3. Heat Recovery Systems:

Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.

4. Air Receiver Tanks:

Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.

5. System Control and Automation:

Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.

6. Leak Detection and Repair:

Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.

7. System Optimization and Maintenance:

Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.

By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.

air compressor

What is the impact of altitude on air compressor performance?

The altitude at which an air compressor operates can have a significant impact on its performance. Here are the key factors affected by altitude:

1. Decreased Air Density:

As altitude increases, the air density decreases. This means there is less oxygen available per unit volume of air. Since air compressors rely on the intake of atmospheric air for compression, the reduced air density at higher altitudes can lead to a decrease in compressor performance.

2. Reduced Airflow:

The decrease in air density at higher altitudes results in reduced airflow. This can affect the cooling capacity of the compressor, as lower airflow hampers the dissipation of heat generated during compression. Inadequate cooling can lead to increased operating temperatures and potential overheating of the compressor.

3. Decreased Power Output:

Lower air density at higher altitudes also affects the power output of the compressor. The reduced oxygen content in the air can result in incomplete combustion, leading to decreased power generation. As a result, the compressor may deliver lower airflow and pressure than its rated capacity.

4. Extended Compression Cycle:

At higher altitudes, the air compressor needs to work harder to compress the thinner air. This can lead to an extended compression cycle, as the compressor may require more time to reach the desired pressure levels. The longer compression cycle can affect the overall efficiency and productivity of the compressor.

5. Pressure Adjustments:

When operating an air compressor at higher altitudes, it may be necessary to adjust the pressure settings. As the ambient air pressure decreases with altitude, the compressor’s pressure gauge may need to be recalibrated to maintain the desired pressure output. Failing to make these adjustments can result in underinflated tires, improper tool performance, or other issues.

6. Compressor Design:

Some air compressors are specifically designed to handle higher altitudes. These models may incorporate features such as larger intake filters, more robust cooling systems, and adjusted compression ratios to compensate for the reduced air density and maintain optimal performance.

7. Maintenance Considerations:

Operating an air compressor at higher altitudes may require additional maintenance and monitoring. It is important to regularly check and clean the intake filters to ensure proper airflow. Monitoring the compressor’s operating temperature and making any necessary adjustments or repairs is also crucial to prevent overheating and maintain efficient performance.

When using an air compressor at higher altitudes, it is advisable to consult the manufacturer’s guidelines and recommendations specific to altitude operations. Following these guidelines and considering the impact of altitude on air compressor performance will help ensure safe and efficient operation.

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 Good quality 22kw 30HP Stainless Steel Silent AC Electric Water Lubrication Medical Oil Free Rotary Screw Air Compressor for Food Pharmaceutical Industrial   with Great qualityChina Good quality 22kw 30HP Stainless Steel Silent AC Electric Water Lubrication Medical Oil Free Rotary Screw Air Compressor for Food Pharmaceutical Industrial   with Great quality
editor by CX 2023-11-10

China Best Sales 37 Kw Industrial Electric Silent VSD Screw Air Compressor air compressor oil

Product Description

37 kw Industrial Electric Silent VSD Screw Air Compressor Advantages:

DENAIR VSD (Variable Speed Drive) rotary screw air compressors are suitable for customers who need different amount of air supply and extremely accurate pressure. It can facilitate customers to optimize production process and improve productivity.
 
The principle of VSD is to adjust the motor rotation speed automatically according to the actual air demand. The reduced system pressure decreases the total energy consumption of the whole system, which can reduce energy costs by 35% or more.
 
The VSD air compressor reduces the energy consumption through the following points:

1. Removing the low efficiency transformation process from the full loading to unloading
2. Avoiding the power during the unloading process
3. Keeping the pipeline pressure drop under 0.1bar
4. Reducing the average working pressure
5. Lowering the system pressure to reduce the system leakage
6. The soft starting method increases the current balance and avoids the current surge
7. A flexible choice from 4 to 13bar which reduces the power consumption most.

Technical Parameters Of Industrial Electric Silent VSD Screw Air Compressor:
 

Model Maximum
 working pressure
Capacity
 FAD
Installed 
motor power
Driving
 Mode&
Cooling 
Method
Dimensions
(mm)
Weight
(kg)
Noise
 level
[dB(A)]
Air outlet
 pipe
diameter
bar(e) psig m3/min cfm kW hp L W H
DVA-18G 7.5 109 1.46-2.91 51.6-102.8 18.5 25 Belt 
Direct
/Direct 
Driven
Air
 Cooling
1000 900 1150 500 65±2 G1″
8.5 123 1.45-2.89 51.2-102 18.5 25 1000 900 1150 500 65±2 G1″
10.5 152 1.44-2.87 50.8-101.3 18.5 25 1000 900 1150 500 65±2 G1″
13 189 1.08-2.16 38.1-76.3 18.5 25 1000 900 1150 500 65±2 G1″
DVA-22G 7.5 109 1.89-3.78 66.7-133.5 22 30 1050 1200 1300 550 65±2 G1 1/4″
8.5 123 1.87-3.73 66-131.7 22 30 1050 1200 1300 550 65±2 G1 1/4″
10.5 152 1.55-3.09 54.7-109.1 22 30 1050 1200 1300 550 65±2 G1 1/4″
13 189 1.38-2.76 48.7-97.5 22 30 1050 1200 1300 550 65±2 G1 1/4″
DVA-30G 7.5 109 2.3-4.59 81.2-162.1 30 40 1050 1200 1300 600 65±2 G1 1/4″
8.5 123 2.25-4.5 79.4-158.9 30 40 1050 1200 1300 600 65±2 G1 1/4″
10.5 152 2.16-4.32 76.3-152.5 30 40 1050 1200 1300 600 65±2 G1 1/4″
13 189 1.89-3.78 66.7-133.5 30 40 1050 1200 1300 600 65±2 G1 1/4″
DVA-37G 7.5 109 3.56-7.11 125.7-251.1 37 50 1050 1200 1300 650 65±2 G1 1/4″
8.5 123 3.35-6.7 118.3-236.6 37 50 1050 1200 1300 650 65±2 G1 1/4″
10.5 152 2.76-5.51 97.5-194.6 37 50 1050 1200 1300 650 65±2 G1 1/4″
13 189 2.22-4.43 78.4-156.4 37 50 1050 1200 1300 650 65±2 G1 1/4″
DVA-45G 7.5 109 4-7.99 141.2-282.1 45 60 1200 1350 1500 800 68±3 G1 1/2″
8.5 123 3.99-7.97 140.9-281.4 45 60 1200 1350 1500 800 68±3 G1 1/2″
10.5 152 3.97-7.93 140.2-280 45 60 1200 1350 1500 800 68±3 G1 1/2″
13 189 2.76-5.51 97.5-194.6 45 60 1200 1350 1500 800 68±3 G1 1/2″
DVA-55G 7.5 109 5.13-10.26 181.1-362.3 55 75 1200 1350 1500 850 68±3 G1 1/2″
8.5 123 5.08-10.15 179.4-358.4 55 75 1200 1350 1500 850 68±3 G1 1/2″
10.5 152 4.54-9.07 160.3-320.3 55 75 1200 1350 1500 850 68±3 G1 1/2″
13 189 3.78-7.56 133.5-266.9 55 75 1200 1350 1500 850 68±3 G1 1/2″
DVA-75G 7.5 109 7.68-15.36 271.2-542.4 75 100 1500 1450 1600 1000 72±3 G2″
8.5 123 7.65-15.29 270.1-539.9 75 100 1500 1450 1600 1000 72±3 G2″
10.5 152 6-11.99 211.9-423.4 75 100 1500 1450 1600 1000 72±3 G2″
13 189 5.81-11.62 205.2-410.3 75 100 1500 1450 1600 1000 72±3 G2″
DVA-90 7.5 109 7.68-15.36 271.2-542.4 90 120 Direct 
Driven 
Air 
Cooling 
2150 1300 1550 1900 72±3 DN50
8.5 123 7.65-15.29 270.1-539.9 90 120 2150 1300 1550 1900 72±3 DN50
10.5 152 7.02-14.04 247.9-495.8 90 120 2150 1300 1550 1900 72±3 DN50
13 189 5.83-11.66 205.9-411.7 90 120 2150 1300 1550 1900 72±3 DN50
DVA-110 7.5 109 10.35-20.69 365.5-730.6 110 150 2450 1600 1700 2500 75±3 DN80
8.5 123 10.3-20.6 363.7-727.4 110 150 2450 1600 1700 2500 75±3 DN80
10.5 152 8.26-16.52 291.7-583.3 110 150 2450 1600 1700 2500 75±3 DN80
13 189 7.02-14.04 247.9-495.8 110 150 2450 1600 1700 2500 75±3 DN80
DVA-132 7.5 109 12.42-24.84 438.6-877.1 132 175 2450 1600 1700 2700 75±3 DN80
8.5 123 12.37-24.74 436.8-873.6 132 175 2450 1600 1700 2700 75±3 DN80
10.5 152 10.21-20.41 360.5-720.7 132 175 2450 1600 1700 2700 75±3 DN80
13 189 7.56-15.12 266.9-533.9 132 175 2450 1600 1700 2700 75±3 DN80
DVA-160 7.5 109 14.33-28.66 506-1012 160 215 2650 1600 1800 3600 78±3 DN80
8.5 123 14.27-28.53 503.9-1007.4 160 215 2650 1600 1800 3600 78±3 DN80
10.5 152 12.26-24.53 432.9-866.2 160 215 2650 1600 1800 3600 78±3 DN80
13 189 10.15-20.3 358.4-716.8 160 215 2650 1600 1800 3600 78±3 DN80
DVA-185 
DVA185W
7.5 109 15.72-31.44 555.1-1110.1 185 250 Direct 
Driven 
Air 
Cooling 
or 
Water 
Cooling
2800 1500 1800 3700 78±3 DN80
8.5 123 15.63-31.27 551.9-1104.1 185 250 2800 1500 1800 3700 78±3 DN80
10.5 152 14.11-28.22 498.2-996.4 185 250 2800 1500 1800 3700 78±3 DN80
13 189 12.06-24.13 425.8-852 185 250 2800 1500 1800 3700 78±3 DN80
DVA-200
 DVA-200W
7.5 109 17.8-35.6 628.5-1257 200 270 2800 1950 2000 3850 82±3 DN100
8.5 123 17.71-35.42 625.3-1250.7 200 270 2800 1950 2000 3850 82±3 DN100
10.5 152 15.53-31.05 548.4-1096.4 200 270 2800 1950 2000 3850 82±3 DN100
13 189 12.06-24.13 425.8-852 200 270 2800 1950 2000 3850 82±3 DN100
DVA-220
 DVA-220W
7.5 109 19.12-38.23 675.1-1349.9 220 300 2800 1950 2000 4450 82±3 DN100
8.5 123 19.06-38.12 673-1346 220 300 2800 1950 2000 4450 82±3 DN100
10.5 152 15.5-31 547.3-1094.6 220 300 2800 1950 2000 4450 82±3 DN100
13 189 13.87-27.75 489.7-979.9 220 300 2800 1950 2000 4450 82±3 DN100
DVA-250
 DVA-250W
7.5 109 23.52-47.04 830.5-1661 250 350 2800 1950 2000 5150 82±3 DN100
8.5 123 23.49-46.98 829.4-1658.9 250 350 2800 1950 2000 5150 82±3 DN100
10.5 152 19.01-38.03 671.2-1342.8 250 350 2800 1950 2000 5150 82±3 DN100
13 189 17.55-35.1 619.7-1239.4 250 350 2800 1950 2000 5150 82±3 DN100

FAQ:

Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2:  No. 366, YangzhuangBang Street, Pingxing Rd., Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: One year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

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: AC Power
Customization:
Available

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air compressor

How are air compressors utilized in the aerospace industry?

Air compressors play a crucial role in various applications within the aerospace industry. They are utilized for a wide range of tasks that require compressed air or gas. Here are some key uses of air compressors in the aerospace industry:

1. Aircraft Systems:

Air compressors are used in aircraft systems to provide compressed air for various functions. They supply compressed air for pneumatic systems, such as landing gear operation, braking systems, wing flap control, and flight control surfaces. Compressed air is also utilized for starting aircraft engines and for cabin pressurization and air conditioning systems.

2. Ground Support Equipment:

Air compressors are employed in ground support equipment used in the aerospace industry. They provide compressed air for tasks such as inflating aircraft tires, operating pneumatic tools for maintenance and repair, and powering air-driven systems for fueling, lubrication, and hydraulic operations.

3. Component Testing:

Air compressors are utilized in component testing within the aerospace industry. They supply compressed air for testing and calibrating various aircraft components, such as valves, actuators, pressure sensors, pneumatic switches, and control systems. Compressed air is used to simulate operating conditions and evaluate the performance and reliability of these components.

4. Airborne Systems:

In certain aircraft, air compressors are employed for specific airborne systems. For example, in military aircraft, air compressors are used for air-to-air refueling systems, where compressed air is utilized to transfer fuel between aircraft in mid-air. Compressed air is also employed in aircraft de-icing systems, where it is used to inflate inflatable de-icing boots on the wing surfaces to remove ice accumulation during flight.

5. Environmental Control Systems:

Air compressors play a critical role in the environmental control systems of aircraft. They supply compressed air for air conditioning, ventilation, and pressurization systems, ensuring a comfortable and controlled environment inside the aircraft cabin. Compressed air is used to cool and circulate air, maintain desired cabin pressure, and control humidity levels.

6. Engine Testing:

In the aerospace industry, air compressors are utilized for engine testing purposes. They provide compressed air for engine test cells, where aircraft engines are tested for performance, efficiency, and durability. Compressed air is used to simulate different operating conditions and loads on the engine, allowing engineers to assess its performance and make necessary adjustments or improvements.

7. Oxygen Systems:

In aircraft, air compressors are involved in the production of medical-grade oxygen for onboard oxygen systems. Compressed air is passed through molecular sieve beds or other oxygen concentrator systems to separate oxygen from other components of air. The generated oxygen is then supplied to the onboard oxygen systems, ensuring a sufficient and continuous supply of breathable oxygen for passengers and crew at high altitudes.

It is important to note that air compressors used in the aerospace industry must meet stringent quality and safety standards. They need to be reliable, efficient, and capable of operating under demanding conditions to ensure the safety and performance of aircraft systems.

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

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.

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editor by CX 2023-10-26