Tag Archives: electric screw

China supplier Made in China CHINAMFG Bk90kw-8bar Electric Rotary Screw Air Compressor air compressor lowes

Product Description

 

BK series new screw air compressor new-generation low-consumption and high-efficiency motor;Large starting torque, insulation class F, protection class IP54;SKF bearings, low noise and long life;With a refueling device, it can be refueled without stopping.

Product Description

Yin-Yang Rotor Compression System
Better sealing, smaller leakage channel will produce high-efficiency roller sliding film to reduce heat of compression, and gas production is improved by 10%-15%

Built-in oil and gas separation design
Adopt a built-in oil separation setting to ensure the oil and gas separation effect and reduce fuel consumption
·High filtration level and low flow resistance
·Good noise reduction and mute effect
· Oil and gas separation, high-temperature resistance, high-pressure resistance – reduce the oil content of the exhaust
·Clean exhaust to ensure clean gas

Timely Smart Control Panel
·Using a user-friendly interface to prompt operation, clear at a glance, real-time monitoring of information, providing important information alarm, storage, and query functions

Precision oil filter
·Use high-density filter paper to filter oil
· Completely filter out lubricating oil

Low-consumption and high-efficiency motor, large starting torque
·Insulation class F, protection class IP23.
·Built-in refueling device, can refuel without stopping.

Cooling copper pipe
The radiator made of high-quality copper tubes can make the heat generated by the condensation of the machine quickly Dissipate, maintain the internal temperature

oil pipeline
·Excellent material
·Stable oil delivery without clogging

The system adopts the step-less adjustment of the displacement of 0-100. When the air consumption is reduced, the exhaust volume is also reduced, and the current of the motor is also reduced at the same time; when the air is not used, the air compressor runs empty, and the air compressor is automatically stopped for a long time. When the gas consumption increases, resume the heavy vehicle. Excellent energy-saving effect.
good environmental adaptability
The extraordinary cooling system design is especially suitable for Asia’s high temperature and high humidity environments. The excellent vibration isolation technology and noise reduction measures make the installation of CHINAMFG screw air compressors not require special foundations. As long as a small space for ventilation and maintenance is left, your compressor can be installed well.
Design features of screw rotor profile:
1. Fully realize “surface-to-surface” meshing, thereby helping to form a hydrodynamic lubricating film, reducing lateral leakage through the contact belt, improving compressor efficiency; and improving rotor processing and inspection performance.
2. Adopt the design idea of “large rotor, large bearing, low speed”, the speed is 3050 lower than other brands, which can reduce noise and vibration, reduce exhaust temperature, improve rotor rigidity, prolong service life, and reduce the carbonization of impurities and oil animal sensitivity.
3. The power range is 4355KW, of which 18.5250KW are directly connected without a gearbox, 200KW and 250KW are directly connected with 4-pole motors, and the speed is as low as

Product Parameters

 

Screw group

5: 6 Gear rotor

Compression method

Continuous, single stage

Compressed air outlet pressure

8MPa

Compressed air outlet temperature

Air-cooled

Compressed air outlet temperature

10ºC~15ºC higher than the ambient temperature

Volume of Lubricating Oil

About 7.5 liters

Motor speed

N=2930r/min

Rated power

90kw

Displacement

1.3MPa

16m³/min

Weight

1200kg

Upper air temperature

45ºC

Lower limit of air temperature

0ºC

Fuel consumption

Exhaust oil content is less than 3PPM

Noise level

72dB(A)

Dimensions (length×width×height) (mm)

1200x800x1120

Model

Working Pressure

Capacity

Motor Power

Connector

Weight

Noise

Dimension

  Bar

m³/min

kw

kg

dB(A)

mm

BMVF7.5G

0.65-1.0

1.0-1.25

7.5

G3/4

200

72

800*510*800

BMVF11G

0.65-1.0

1.5-1.85

11

G1

 

260

73

1000*670*1090

BMVF15G 0.65-1.0

2.05-2.35

15

280

73

1000*670*1090

BMVF22G

0.65-1.0

2.95-3.95

22

390

74

1200*800*1120

BMVF37G 0.65-1.0

5.05-6.35

37

600

76

1340*850*1300

BMVF45G

0.65-1.0

6.45-8.2

45

800

78

1480*1030*1365

BMVF55G 0.65-1.0

8.2-9.85

55

810

80

BMVF75 0.65-1.0

10.5-13.1

75

G2

1280

81

1800*1190*1710

BMVF90 0.65-1.0

12.5-15.5

90

1300

81

BMVF110 0.65-0.8

22

110

DN65

1850

82

2700*1230*1730

BMVF132 0.65-0.8

24

132

2270

82

 

Model Working Pressure Displacement Motor Power Exhaust interface Weight Noise Dimension
  Bar m3/min kw   kg dB(A) mm
BK7.5-8G 8 1.2 7.5 G1 200 70 800*620*800
BK7.5-10 10 1 7.5 G3/4 200 72 720*700*1000
BK7.5-13 13 0.8 7.5 G3/4 200 72 720*700*1000
BK11-8G 8 1.7 11 G1 300 72 1000*670*1090
BK11-10 10 1.5 11 G1 290 72 700*670*1250
BK11-13 13 1.2 11 G1 290 72 700*670*1250
BK15-8G 8 2.4 15 G1 280 73 1000*670*1090
BK15-10 10 2.2 15 G1 290 73 700*670*1250
BK15-13 13 1.7 15 G1 290 73 700*670*1250
BK18-8 8 3 18.5 G1 500 74 1080*880*1235
BK18-10 10 2.7 18.5 G1 500 74 1080*880*1235
BK18-13 13 2.3 18.5 G1 500 74 1080*880*1235
BK22-8ZG 8 3.6 22 G1 380 74 1200*800*1100
BK22-10 10 3.2 22 G1 540 74 1080*880*1235
BK22-13 13 2.7 22 G1 540 74 1080*880*1235
BK30-8 8 5 30 G1 1/2 650 75 1120*930*1290
BK30-10 10 4.4 30 G1 1/2 650 75 1120*930*1290
BK30-13 13 3.6 30 G1 1/2 650 75 1120*930*1290
BK37-8ZG 8 6 37 G1 1/2 740 76 1530*900*1230
BK37-10 10 5.5 37 G1 1/2 730 76 1240*1030*1435
BK37-13 13 4.6 37 G1 1/2 730 76 1240*1030*1435
BK45-8G 8 7.1 45 G1 1/2 800 78 1480*1030*1345
BK45-10 10 6.5 45 G1 1/2 820 78 1240*1030*1595
BK45-13 13 5.6 45 G1 1/2 820 78 1240*1030*1595
BK55-8G 8 10 55 G1 1/2 800 80 1480*1030*1345
BK55-10 10 8.5 55 G1 1/2 1200 80 1545*1200*1470
BK55-13 13 7.4 55 G1 1/2 1200 80 1545*1200*1470

Detailed Photos

 

Built-in oil separation system The built-in oil separation design ensures the separation of oil and gas and reduces fuel consumption.

Certified Genuine Parts. CHINAMFG Certified Genuine Parts to ensure the compressors delivered to you always perform at high performance.

Adhering to the basic belief in environmental sustainability, we have been committed to continuously improving the energy efficiency of our products and creating value for users.
 

Energy saving and economical, reliable and durable, environmentally friendly and quiet.

The Latest-Generation High Efficiency Screw Rotor! “Large Rotor, Low Speed”, Direct Drive

The latest generation of high-efficiency rotor profiles, full-spectrum screw mainframe meets the national energy-saving standards.
 

 

Application

Electric power, petroleum, auto repair, laser equipment, metallurgy, biopharmaceutical, printing, garment industry

Company Profile

FAQ

1.How do your prices compare to the manufacturer/factory?

  We are the main distributor of major construction machinery manufacturers/factories in China and keep getting the best dealer prices. From the comparison and feedback from many customers, our price is even more competitive than the factory/factory price.

2.How is the delivery time?

  In general, we can deliver ordinary machines immediately to our customers within 7 days, as we have various resources to inspect stock machines, locally and nationwide, and receive machines in a timely manner. But it takes more than 30 days for a manufacturer/factory to produce an order machine.

3.How often can you respond to customer inquiries?

  Our team is made up of a group of hardworking and dynamic people who work around the clock to respond to customer inquiries and questions. Most issues can be successfully resolved within 8 hours, while manufacturers/factories take longer to respond.

4.Which payment methods can you accept?

 Usually we can use wire transfer or letter of credit, and sometimes DP. (1) Wire transfer, 30% deposit in advance, 70% balance paid before shipment, long-term cooperation customers can present a copy of the original bill of lading. (2) Letter of credit, 100% irrevocable letter of credit without “soft   terms” from internationally recognized banks can be accepted. Please seek advice from the sales manager you work with.

5.Which clauses in the Incoterms 2571 can you use?

  We are a professional and mature international player and can handle all INCOTERMS 2571, we usually work on regular terms like FOB, CFR, CIF, CIP, DAP.

6.How long are your prices valid?

  We are a gentle and friendly supplier, never greedy for profit. Our prices remain largely stable throughout the year. We will only adjust the price according to the following 2 situations: (1) USD exchange rate: According to the international currency exchange rate, the RMB exchange rate is quite different; (2) The manufacturer/factory adjusted the machine price due to the increase of labor cost or raw material cost.

7.What logistics methods can you use for shipping?

We can transport construction machinery with various means of transport. (1) 80% of our shipping will be by the sea, to all major continents such as Africa, South America, Middle East. (2) China’s inland neighboring countries, such as Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, etc., can transport by road or rail. (3) For urgently needed light spare parts, we can provide international express services, such as DHL, TNT, UPS, FedEx, etc.

 

After-sales Service: Warranty Service
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Horizontal
Samples:
US$ 3800/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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air compressor

Can air compressors be used for gas compression and storage?

Yes, air compressors can be used for gas compression and storage. While air compressors are commonly used to compress and store air, they can also be utilized for compressing and storing other gases, depending on the specific application requirements. Here’s how air compressors can be used for gas compression and storage:

Gas Compression:

Air compressors can compress various gases by utilizing the same principles applied to compressing air. The compressor takes in the gas at a certain pressure, and through the compression process, it increases the pressure and reduces the volume of the gas. This compressed gas can then be used for different purposes, such as in industrial processes, gas pipelines, or storage systems.

Gas Storage:

Air compressors can also be used for gas storage by compressing the gas into storage vessels or tanks. The compressed gas is stored at high pressure within these vessels until it is needed for use. Gas storage is commonly employed in industries where a continuous and reliable supply of gas is required, such as in natural gas storage facilities or for storing compressed natural gas (CNG) used as a fuel for vehicles.

Gas Types:

While air compressors are primarily designed for compressing air, they can be adapted to handle various gases, including but not limited to:

  • Nitrogen
  • Oxygen
  • Hydrogen
  • Carbon dioxide
  • Natural gas
  • Refrigerant gases

It’s important to note that when using air compressors for gas compression and storage, certain considerations must be taken into account. These include compatibility of the compressor materials with the specific gas being compressed, ensuring proper sealing to prevent gas leaks, and adhering to safety regulations and guidelines for handling and storing compressed gases.

By leveraging the capabilities of air compressors, it is possible to compress and store gases efficiently, providing a reliable supply for various industrial, commercial, and residential applications.

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 is the difference between a piston and rotary screw compressor?

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

1. Operating Principle:

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

2. Compression Method:

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

3. Efficiency:

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

4. Noise Level:

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

5. Maintenance:

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

6. Size and Portability:

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

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

China supplier Made in China CHINAMFG Bk90kw-8bar Electric Rotary Screw Air Compressor   air compressor lowesChina supplier Made in China CHINAMFG Bk90kw-8bar Electric Rotary Screw Air Compressor   air compressor lowes
editor by CX 2023-10-17

China Custom 37kw 50HP Highly AC New AC Variable Displacement Twin Stage Electric Stationary Air Cooling/Water Cooling Quiet Rotary Type Screw Gas Air Compressors Industrial with Good quality

Product Description

 

Product Description

Two-Stage Screw Air End

Double- stage compression means that 2 airends are connected in series, and the compression ratio is changed to achieve compressed air.

Super High Efficiency Motor

Brazil WEG IE4 motor,three phase induction motor;Class F insulation ,class B temperature rise,,IP55 protection;

Variable Speed Drive

The pressure could be selected by the strong smart controller of the frequency inverter continually ,to ensure that the actual air displacement is consistent with the user’s air consumption

 

 

 

 

 

 

 

Technical Parameter

model air pressure air displacement power noise dimension
mpa bar(e) psi(g) m3/min cfm hp kw dB(A) L(mm) W(mm) H(mm)
GAT-22A 0.6 6 87 4.2 148 30 22 62-66 1450 950 1250
0.7 7 102 3.95 139
0.8 8 116 3.5 124
1 10 145 3.2 113
1.3 13 189 2.6 92
GAT-30A 0.6 6 87 6.2 219 41 30 63-67 1700 1100 1450
0.7 7 101 6.03 213
0.8 8 116 5.4 191
GAT-37A 0.6 6 87 7.1 251 50 37
0.7 7 102 6.9 244
0.8 8 116 6.7 237
1 10 145 5.6 198
1.3 13 189 5.4 191
GAT-45A 0.6 6 87 8.3 293 61 45 66-70
0.7 7 102 8.01 283
0.8 8 116 7.8 275
1 10 145 6.5 230
1.3 13 189 6.2 219
GAT-55A 0.6 6 87 11.4 403 75 55 70-74 2150 1380 1780
0.7 7 102 10.8 381
0.8 8 116 10 353
1 10 145 9.3 328
GAT-75A 0.6 6 87 16 565 102 75
0.7 7 102 14.2 501
0.8 8 116 14 494
1 10 145 13 459
1.3 13 189 9.5 335
GAT-90A 0.6 6 87 19 671 122 90 73-77 2800 1750 1900
0.7 7 102 18 636
0.8 8 116 16.5 583
1 10 145 16 565
1.3 13 189 13 459
GAT-110A 0.6 0.6 6 87 24 847 150 74-78
0.7 7 102 22 777
0.8 8 116 18.5 653
1 10 145 18 636
1.3 13 189 16 565
GAT-132A 0.6 6 87 26.5 936 179 132 75-79
0.7 7 101 26 918
0.8 8 116 23 812
1 10 145 22 777
1.3 13 189 18 636
GAT-160A 0.6 6 87 32.5 1148 217 160 3300 2050 2150
0.7 7 102 32 1130
0.8 8 116 28 989
1 10 145 26 918
1.3 13 189 22.5 794
GAT-185A 0.6 6 87 41 1148 251 185
0.7 7 101 37.92 1339
0.8 8 116 32.5 1148
1 10 145 31 1094
1.3 13 189 26 918
GAT-200A 0.6 0.6 6 87 43.8 1547 272 78-82
0.7 7 102 40.5 1430
0.8 8 116 37 1306
1 10 145 32.5 1148
1.3 13 189 30.5 1077
GAT-220A 0.6 6 87 49.5 1748 299 220
0.7 7 102 49 1730
0.8 8 116 41 1447
1 10 145 36.5 1289
1.3 13 189 32 1130
GAT-250A 0.6 6 87 56.5 1995 340 250 3850 2250 2060
0.7 7 102 54 1907
0.8 8 116 49 1730
1 10 145 40 1412
1.3 13 189 36 1271

Company Information

 

Packaging & Shipping

 

FAQ

 

 

Are you manufacturer?

ZIQI: Yes,we are professional air compressor manufacturer over 10 years and our factory located in ZheJiang .
How long is your air compressor warranty?
ZIQI: For 1 year.
Do you provide After- sales service parts?
ZIQI: Of course, We could provide easy- consumable spares.
How long could your air compressor be used?
ZIQI: Generally, more than 10 years.
How about your price?
ZIQI: Based on high quality, Our price is very competitive in this market all over the world.
How about your customer service?
ZIQI: For email, we could reply our customers’ emails within 2 hours.
Do you support OEM?
ZIQI: YES, and we also provide multiple models to select.

How to get quicker quotation?

When you send us inquiry, please confirm below information at the same time:
* What is the air displacement (m3/min,cfm/min)?
* What is the air pressure (mpa,bar,psi)?
* What is the voltage in your factory (v/p/Hz)?
* It is ok if you need air tank, air dryer and filters.
This information is helpful for us to check suitable equipment solution and quotation quickly.

 

Hot Products

Combined Screw Air Compressor 5hp Combined Screw Air Compressor 20hp Oil Free Scroll Air Compressor

 

Contact

Bob Cui | Overseas Sale Manager

ZIQI Compressor(ZheJiang )Co.,Ltd

Add:No.280,Wangwei West Rd.Fengjing Industrial Park,Xihu (West Lake) Dis.n Dist.,ZheJiang ,CN.

 

 

After-sales Service: Online Support
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Vertical
Customization:
Available

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Can Gas Air Compressors Be Used for Well Drilling?

Gas air compressors can be used for well drilling, and they are commonly employed in drilling operations. Here’s a detailed explanation:

1. Air Drilling Method:

Gas air compressors are often utilized in the air drilling method, also known as pneumatic drilling. In this drilling technique, compressed air is used to create a high-velocity airflow that carries the drill cuttings to the surface. The high-pressure air also aids in cooling the drill bit and providing additional force for efficient drilling.

2. Benefits of Gas Air Compressors:

Gas air compressors offer several advantages for well drilling:

  • Portability: Gas air compressors can be easily transported to remote drilling sites, allowing for flexibility in well location.
  • Power: Gas air compressors provide high-pressure air output, which is essential for effective drilling in various geological formations.
  • Cost-Effectiveness: Gas air compressors can be more cost-effective compared to other drilling methods, as they eliminate the need for drilling mud and associated disposal costs.
  • Environmental Considerations: Air drilling with gas compressors produces minimal waste and does not require the use of potentially harmful drilling fluids, making it an environmentally friendly option.

3. Compressor Selection:

When selecting a gas air compressor for well drilling, several factors should be considered:

  • Pressure and Flow Requirements: Evaluate the pressure and flow requirements of the drilling operation to ensure that the gas air compressor can deliver the necessary air output.
  • Compressor Size and Power: Choose a compressor with adequate size and power output to match the drilling demands. Factors such as borehole depth, drill bit type, and drilling speed will influence the compressor’s power requirements.
  • Portability: Consider the portability features of the gas air compressor, such as its weight, dimensions, and mobility options, to facilitate transportation to drilling sites.

4. Safety Considerations:

It is essential to follow safety guidelines when using gas air compressors for well drilling. These may include proper ventilation to prevent the accumulation of exhaust fumes, adherence to equipment operating limits, and the use of personal protective equipment (PPE) for drilling personnel.

5. Other Considerations:

While gas air compressors are commonly used for well drilling, it is worth noting that the suitability of a gas air compressor for a specific drilling project depends on various factors such as geological conditions, well depth, and drilling objectives. It is recommended to consult with drilling experts and professionals to determine the most suitable drilling method and equipment for a particular project.

In summary, gas air compressors can be effectively used for well drilling, particularly in the air drilling method. They offer portability, power, cost-effectiveness, and environmental advantages. Proper selection, considering pressure and flow requirements, as well as safety precautions, is crucial to ensure successful and safe drilling operations.

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

How Do You Choose the Right Size Gas Air Compressor for Your Needs?

Choosing the right size gas air compressor is crucial to ensure optimal performance and efficiency for your specific needs. Selecting a compressor that is too small may result in insufficient airflow or pressure, while choosing one that is too large can lead to unnecessary energy consumption and higher costs. Here’s a detailed explanation of the factors to consider when choosing the right size gas air compressor:

1. Required Airflow:

Determine the airflow requirements of your applications. Consider the tools, equipment, or processes that will be powered by the compressor and their respective airflow demands. The required airflow is typically measured in cubic feet per minute (CFM). Determine the total CFM required, taking into account any simultaneous or intermittent tool usage.

2. Operating Pressure:

Identify the operating pressure required for your applications. Different tools and systems have specific pressure requirements, measured in pounds per square inch (PSI). Ensure that the compressor you choose can deliver the required pressure consistently.

3. Duty Cycle:

Consider the duty cycle, which refers to the amount of time the compressor will be in operation within a given period. Some applications may require continuous operation, while others involve intermittent or occasional use. Take into account the duty cycle to ensure that the compressor can handle the expected workload without overheating or experiencing excessive wear.

4. Tank Size:

The tank size of a gas air compressor determines its ability to store compressed air and provide a steady supply. A larger tank can help accommodate fluctuations in demand and reduce the frequency of the compressor cycling on and off. Consider the required storage capacity based on the specific applications and the desired balance between continuous operation and storage capacity.

5. Power Source:

Gas air compressors can be powered by different fuels, such as gasoline, diesel, natural gas, or propane. Consider the availability and cost of the fuel options in your location, as well as the specific requirements of your applications. Choose a compressor that is compatible with a power source that suits your needs.

6. Portability:

Determine if portability is a requirement for your applications. If you need to move the compressor to different job sites or locations, consider a portable model with features like wheels, handles, or a compact design that facilitates easy transportation.

7. Noise Level:

If noise is a concern in your working environment, consider the noise level of the compressor. Gas air compressors can vary in their noise output, and certain models may have noise-reducing features or insulation to minimize sound emissions.

8. Manufacturer Recommendations:

Consult the manufacturer’s recommendations and guidelines for selecting the appropriate compressor size for your specific needs. Manufacturers often provide guidelines based on the anticipated applications, airflow requirements, and other factors to help you make an informed decision.

By considering these factors and carefully assessing your specific requirements, you can choose the right size gas air compressor that meets your airflow, pressure, duty cycle, and other operational needs. It’s advisable to consult with industry professionals or compressor experts for guidance, especially for complex or specialized applications.

China Custom 37kw 50HP Highly AC New AC Variable Displacement Twin Stage Electric Stationary Air Cooling/Water Cooling Quiet Rotary Type Screw Gas Air Compressors Industrial   with Good qualityChina Custom 37kw 50HP Highly AC New AC Variable Displacement Twin Stage Electric Stationary Air Cooling/Water Cooling Quiet Rotary Type Screw Gas Air Compressors Industrial   with Good quality
editor by CX 2023-10-06

China wholesaler Electric Silent Oil Free 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw 160kw 200kw 315kw Screw Air Compressor 7bar-13bar with CE air compressor for sale

Product Description

 

Electric silent oil free 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw 160kw 200kw 315kw screw air compressor 7bar-13bar with CE 

Products Description

Type: Oil Injected Permanent Magnetic Screw Compressor
Voltage: 380V/50HZ/3P, 220V/60HZ/3P, 400V/50HZ/3P, 415V/50HZ/3P or Customer′s Requirements
Working Pressure: 7bar/8bar/10bar
Installed Motor Power: 18.5~110 Kw
Color: Blue
Driven Method: Taper Connection Direct Driven
Air End: High Efficiency Airend
Trademark: SCR
Transport Package: Standard Wooden Packing
Available Certificate: CE, ISO, UL, ASME, GHOST
Origin: ZheJiang , China
application: Packing,Painting,Precision Electroplating,Peparing

 

 

Advantages:
1. China-Japan latest technology cooperation, high reliability.
2. Oil Cooling Permanent Magnetic Motor.
3. IP65 protection grade & heavy duty air filter, suitable for high dusty environment.
4. IE4 Efficiency motor efficiency.
5. Most energy saving mode, Only work at loading.
6. Wide frequency range 25%-100%.
7. Premium Magnetic material resist more than 180ºC temp.
8. Reliable PM motor supplier from Italy.
9. Direct Taper connection, no transmission power loss, easy maintenance.
10.Touch Screen PLC with preset running schedule, more intelligent control.
11. Both main motor and fan motor are inverter control, more accurate control.
12. Easy for installation and service.
13. Fantastic Energy Saving, save up to more than 30-40%.

Details image 

HIGH QUALITY PM MOTOR

The motor winding take use of new technology vacuum expoxy potting process, it increase the thermal conducivity and motor insulation protection
Automatic vacuum expoxy processing enhance the motor quality
The new seal technology of winding, it is sealed with expoxy, better protection for winding.
F grade insulation grade, resist up to 180degree, integrated PTC protection.
 

        PM MOTOR COOLING                                                                     SCR heavy duty air filter

        Liquid Cooling, IP65 PM Motor. 
        Indepent cooling system.

HIGH EFFICIENCY SEPARATION SYSTEM
Cyclone oil tank design encsure the high separation efficiency.
First stage mechanical centrifugal separation.
Second stage is high efficiency oil separator.
4000hours life-span of oil separator.
The oil content is lower than 3PPM.

LATEST V/F Inverter
* Latest V/F technology Inverter.
* CE/UL Certificed Inverter.
* Both Motor are inverter control.
* High reliable inverter brand proofed in the market.
* Professional service support.
* Automatic airend speed adjust to match your air demand, help good energy saving

How to choose ?

Model No. Working pressure
bar
Capacity(FAD)
m3/min
Power
kw
Driving model
Cooling method 
Noise level
dB
Outlet diameter Weight
kg
Dimension 
mm
YCR7.5 7 1.2 7.5 Direct
Air cooling(Standard)
63 G3/4″ 400 890*560*840
8 1.1
10 1.0
12 0.8
YCR11 7 1.8 11 Direct
Air cooling(Standard)
64 G3/4″ 460 1050*690*1080
8 1.6
10 1.5
12 1.3
YCR15 7 2.6 15 Direct
Air cooling(Standard
65 G3/4″ 500 1050*690*1080
8 2.4
10 2.1
12 1.8
YCR22 7  3.7 22 Direct driven 
Air cooling
65 G1″  550 1350*780*1250
8  3.5
10  3.1
12  2.7
YCR30     7 5.3 30 Direct driven 
Air cooling
67    G1-1/2″    940    1420*900*1425
 8 5.1
10 4.6
12 3.9
YCR37 7 6.5 37 Direct driven
Air cooling
67 G1-1/2″ 1000 1420*900*1425
8 6.2
10 5.6
12 4.9
YCR45 7 8.1 45 Direct driven
Air cooling
 70 G1-1/2″  1050  1750*1100*1700
8 7.5
10 7.0
12 6.0
YCR55 7 10.5 55 Direct driven
Air cooling
73 G2″ 1500 1750*1100*1700
8 10
9 9.0
12 8.0
YCR75 7 14.3 75 Direct driven 
Air cooling
75 G2″ 1700 1750*1100*1700
8 13.0
10 11.8
12 10.5

 

 

 

 

 

 

 

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

|

air compressor

What is the role of air compressors in power generation?

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

1. Combustion Air Supply:

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

2. Instrumentation and Control:

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

3. Cooling and Ventilation:

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

4. Cleaning and Maintenance:

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

5. Pneumatic Tools and Equipment:

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

6. Nitrogen Generation:

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

7. Start-up and Emergency Systems:

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

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

air compressor

What are the environmental considerations when using air compressors?

When using air compressors, there are several environmental considerations to keep in mind. Here’s an in-depth look at some of the key factors:

Energy Efficiency:

Energy efficiency is a crucial environmental consideration when using air compressors. Compressing air requires a significant amount of energy, and inefficient compressors can consume excessive power, leading to higher energy consumption and increased greenhouse gas emissions. It is important to choose energy-efficient air compressors that incorporate features such as Variable Speed Drive (VSD) technology and efficient motor design, as they can help minimize energy waste and reduce the carbon footprint.

Air Leakage:

Air leakage is a common issue in compressed air systems and can contribute to energy waste and environmental impact. Leaks in the system result in the continuous release of compressed air, requiring the compressor to work harder and consume more energy to maintain the desired pressure. Regular inspection and maintenance of the compressed air system to detect and repair leaks can help reduce air loss and improve overall energy efficiency.

Noise Pollution:

Air compressors can generate significant noise levels during operation, which can contribute to noise pollution. Prolonged exposure to high noise levels can have detrimental effects on human health and well-being and can also impact the surrounding environment and wildlife. It is important to consider noise reduction measures such as sound insulation, proper equipment placement, and using quieter compressor models to mitigate the impact of noise pollution.

Emissions:

While air compressors do not directly emit pollutants, the electricity or fuel used to power them can have an environmental impact. If the electricity is generated from fossil fuels, the associated emissions from power plants contribute to air pollution and greenhouse gas emissions. Choosing energy sources with lower emissions, such as renewable energy, can help reduce the environmental impact of operating air compressors.

Proper Waste Management:

Proper waste management is essential when using air compressors. This includes the appropriate disposal of compressor lubricants, filters, and other maintenance-related materials. It is important to follow local regulations and guidelines for waste disposal to prevent contamination of soil, water, or air and minimize the environmental impact.

Sustainable Practices:

Adopting sustainable practices can further reduce the environmental impact of using air compressors. This can include implementing preventive maintenance programs to optimize performance, reducing idle time, and promoting responsible use of compressed air by avoiding overpressurization and optimizing system design.

By considering these environmental factors and taking appropriate measures, it is possible to minimize the environmental impact associated with the use of air compressors. Choosing energy-efficient models, addressing air leaks, managing waste properly, and adopting sustainable practices can contribute to a more environmentally friendly operation.

air compressor

How do you choose the right size of air compressor for your needs?

Choosing the right size of air compressor is essential to ensure optimal performance and efficiency for your specific needs. Here are some factors to consider when selecting the appropriate size:

1. Air Demand: Determine the air demand requirements of your applications. Calculate the total CFM (Cubic Feet per Minute) needed by considering the air consumption of all the pneumatic tools and equipment that will be operated simultaneously. Choose an air compressor with a CFM rating that meets or exceeds this total demand.

2. Pressure Requirements: Consider the required operating pressure for your applications. Check the PSI (Pounds per Square Inch) rating of the tools and equipment you will be using. Ensure that the air compressor you choose can deliver the necessary pressure consistently.

3. Duty Cycle: Evaluate the duty cycle of the air compressor. The duty cycle represents the percentage of time the compressor can operate within a given time period without overheating or experiencing performance issues. If you require continuous or heavy-duty operation, choose a compressor with a higher duty cycle.

4. Power Source: Determine the available power source at your location. Air compressors can be powered by electricity or gasoline engines. Ensure that the chosen compressor matches the available power supply and consider factors such as voltage, phase, and fuel requirements.

5. Portability: Assess the portability requirements of your applications. If you need to move the air compressor frequently or use it in different locations, consider a portable or wheeled compressor that is easy to transport.

6. Space and Noise Constraints: Consider the available space for installation and the noise restrictions in your working environment. Choose an air compressor that fits within the allocated space and meets any noise regulations or requirements.

7. Future Expansion: Anticipate any potential future expansions or increases in air demand. If you expect your air demand to grow over time, it may be wise to choose a slightly larger compressor to accommodate future needs and avoid the need for premature replacement.

8. Budget: Consider your budgetary constraints. Compare the prices of different air compressor models while ensuring that the chosen compressor meets your specific requirements. Keep in mind that investing in a higher-quality compressor may result in better performance, durability, and long-term cost savings.

By considering these factors and evaluating your specific needs, you can choose the right size of air compressor that will meet your air demand, pressure requirements, and operational preferences, ultimately ensuring efficient and reliable performance.

China wholesaler Electric Silent Oil Free 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw 160kw 200kw 315kw Screw Air Compressor 7bar-13bar with CE   air compressor for saleChina wholesaler Electric Silent Oil Free 7.5kw 15kw 22kw 37kw 55kw 75kw 90kw 110kw 160kw 200kw 315kw Screw Air Compressor 7bar-13bar with CE   air compressor for sale
editor by CX 2023-10-06

China best CHINAMFG China Electric Direct Driven Rotary Screw Air Compressor air compressor parts

Product Description

XCMG China Electric Direct Driven Rotary Screw Air Compressor

Product Description

Noise enclosure
It is designed into fully-closed mute box, in which sound-absorbing sponge are attached for effective absorption of noise,thereby making the noise 3-5dB(A) lower than that made by the compressors of the same kind.It is reasonably structured overall and very easy to maintain and repair.

Control Panel
Intelligent microcomputer-based control technology can monitor and control in all aspects the complete machine following your instructions. Remote control realizes unattended operation, and the user-friendly human-machine interface displays instructions and parameters in written form. Also, it can function to self diagnose faults,give warning and automatically regulate the capacity.

Motor
First-class motors are adopted, with the level of protection being Ip54 and insulation level being F.overall and very easy to maintain and repair.

Cooler
It is designed for low temperature difference to increase heat exchange area, and ideal to be applied to high-temperature and high-humidity operating environment.

Configuration characteristics
1. A precisely-made central bracket is used to keep the motor aligned permanently with the bare compressor
2. A highly resilient coupling is adopted to make the compressor operate smoothly, and the elastomer is long in useful life
3. The exhaust pipe adopts double-layer bellows, and the oil circuit adopts specially-made temperature-resistant 125º C high-pressure hose
4. For the extremely high temperature condition in some districts, the large-area plate heat exchange and high-efficiency water chiller are used
5. High-quality shaft coupling elastic body can buffer and compensate for the imbalanced moment of operation.

Product Parameters

 

Model

Air flow

pressure

Motor power

Caliber

Noise

Cooling air volume

Cooling water

m ³/min

MPa

kW

dB(A)

m ³/min

L/min

LA-7GA

1.35

0.7

7.5

G1/2

62±2

32.5

 

1.25

0.8

1.01

1

0.9

1.25

LA-11GA

1.8

0.7

11

G3/4

63±2

50

1.78

0.8

1.55

1

1.3

1.25

LA-15GA

2.5

0.7

15

G3/4

63±2

50

2.4

0.8

2.1

1

1.8

1.25

LA-18GA

3.1

0.7

18.5

G1

64±2

100

3

0.8

2.7

1

2.3

1.25

LA-22GA/W

3.8

0.7

22

G1

64±2

110

14.5

3.7

0.8

3.2

1

2.8

1.25

LA-30GA/W

5.4

0.7

30

G1

65±2

145

20

5.25

0.8

4.5

1

3.9

1.25

LA-37GA/W

6.6

0.7

37

G1 ½

65±2

145

25

6.6

0.8

5.9

1

4.8

1.25

LA-45GA/W

8.4

0.7

45

G1 ½

66±2

185

30

8

0.8

7.4

1

6.4

1.25

LA-55GA/W

10.8

0.7

55

G2

68±2

220

39.9

10

0.8

9.1

1

8

1.25

LA-75GA/W

13.8

0.7

75

G2

72±2

250

51

13

0.8

11.8

1

10.3

1.25

LA-90GA/W

17.1

0.7

90

G2

72±2

270

61

17

0.8

15.2

1

12.5

1.25

LA-110GA/W

21.2

0.7

110

G2 1/2

75±2

420

79

20

0.8

17.1

1

15.4

1.25

LA-132GA/W

25

0.7

132

G2 1/2

75±2

460

91

24.3

0.8

21

1

17.5

1.25

LA-160GA/W

30.5

0.7

160

G2 1/2

75±2

510

105

29.2

0.8

26.9

1

22.5

1.25

LA-185GA/W

32.9

0.7

185

G2 1/2

75±2

510

123

31.9

0.8

29.1

1

25.5

1.25

LA-220GA/W

37

0.7

220

DN80

75±2

710

144

36.3

0.8

31.63

1

28.55

1.25

LA-250GA/W

45.8

0.7

250

DN80

75±2

800

163

44

0.8

39

1

35.5

1.25

Product Picture

Company Profile

FAQ

1: What kind terms of payment can be accepted?
A: For terms of payment, L/C, T/T, D/A, D/P, Western Union (can be) could accepted.
2: What certificates are available in Machinery?
A: For the certificate, we have CE, ISO, Gost, EPA(USA)CCC.
3: What about the delivery time?
A: 7-30 days after receiving the deposit.
4: What about the warranty time?
A: 12 months after shipment or 2000 working hours, whichever occuts first.
5. What about the Minimum Order Quantity?
A: The MOQ is 1 pcs.

After-sales Service: Overseas Service Center Available
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Water Cooling
Power Source: AC Power
Cylinder Position: Vertical

air compressor

How are air compressors used in the food and beverage industry?

Air compressors play a vital role in the food and beverage industry, providing a reliable source of compressed air for various applications. Here are some common uses of air compressors in this industry:

1. Packaging and Filling:

Air compressors are extensively used in packaging and filling operations in the food and beverage industry. Compressed air is utilized to power pneumatic systems that control the movement and operation of packaging machinery, such as filling machines, capping machines, labeling equipment, and sealing devices. The precise and controlled delivery of compressed air ensures accurate and efficient packaging of products.

2. Cleaning and Sanitization:

Air compressors are employed for cleaning and sanitization purposes in food and beverage processing facilities. Compressed air is used to operate air-powered cleaning equipment, such as air blowguns, air-operated vacuum systems, and air knives. It helps remove debris, dust, and contaminants from production lines, equipment, and hard-to-reach areas. Additionally, compressed air is used for drying surfaces after cleaning and for applying sanitizing agents.

3. Cooling and Refrigeration:

In the food and beverage industry, air compressors are utilized in cooling and refrigeration systems. Compressed air is used to drive air compressors in refrigeration units, enabling the circulation of refrigerants and maintaining optimal temperatures for food storage and preservation. The controlled airflow provided by the compressors facilitates efficient cooling and refrigeration processes.

4. Aeration and Mixing:

Air compressors are used for aeration and mixing applications in the food and beverage industry. Compressed air is introduced into processes such as fermentation, dough mixing, and wastewater treatment. It helps in promoting oxygen transfer, enhancing microbial activity, and facilitating proper mixing of ingredients or substances, contributing to the desired quality and consistency of food and beverage products.

5. Pneumatic Conveying:

In food processing plants, air compressors are employed for pneumatic conveying systems. Compressed air is used to transport bulk materials such as grains, powders, and ingredients through pipes or tubes. It enables the gentle and efficient movement of materials without the need for mechanical conveyors, reducing the risk of product damage or contamination.

6. Quality Control and Testing:

Air compressors are utilized in quality control and testing processes within the food and beverage industry. Compressed air is used for leak testing of packaging materials, containers, and seals to ensure product integrity. It is also employed for spraying air or gases during sensory analysis and flavor testing.

7. Air Agitation:

In certain food and beverage production processes, air compressors are used for air agitation. Compressed air is introduced into tanks, mixing vessels, or fermentation tanks to create turbulence and promote mixing or chemical reactions. It aids in achieving consistent product quality and uniform distribution of ingredients or additives.

It is important to note that air compressors used in the food and beverage industry must meet strict hygiene and safety standards. They may require specific filtration systems, oil-free operation, and compliance with food safety regulations to prevent contamination or product spoilage.

By utilizing air compressors effectively, the food and beverage industry can benefit from improved productivity, enhanced product quality, and efficient processing operations.

air compressor

What is the energy efficiency of modern air compressors?

The energy efficiency of modern air compressors has significantly improved due to advancements in technology and design. Here’s an in-depth look at the energy efficiency features and factors that contribute to the efficiency of modern air compressors:

Variable Speed Drive (VSD) Technology:

Many modern air compressors utilize Variable Speed Drive (VSD) technology, also known as Variable Frequency Drive (VFD). This technology allows the compressor motor to adjust its speed according to the compressed air demand. By matching the motor speed to the required airflow, VSD compressors can avoid excessive energy consumption during periods of low demand, resulting in significant energy savings compared to fixed-speed compressors.

Air Leakage Reduction:

Air leakage is a common issue in compressed air systems and can lead to substantial energy waste. Modern air compressors often feature improved sealing and advanced control systems to minimize air leaks. By reducing air leakage, the compressor can maintain optimal pressure levels more efficiently, resulting in energy savings.

Efficient Motor Design:

The motor of an air compressor plays a crucial role in its energy efficiency. Modern compressors incorporate high-efficiency electric motors that meet or exceed established energy efficiency standards. These motors are designed to minimize energy losses and operate more efficiently, reducing overall power consumption.

Optimized Control Systems:

Advanced control systems are integrated into modern air compressors to optimize their performance and energy consumption. These control systems monitor various parameters, such as air pressure, temperature, and airflow, and adjust compressor operation accordingly. By precisely controlling the compressor’s output to match the demand, these systems ensure efficient and energy-saving operation.

Air Storage and Distribution:

Efficient air storage and distribution systems are essential for minimizing energy losses in compressed air systems. Modern air compressors often include properly sized and insulated air storage tanks and well-designed piping systems that reduce pressure drops and minimize heat transfer. These measures help to maintain a consistent and efficient supply of compressed air throughout the system, reducing energy waste.

Energy Management and Monitoring:

Some modern air compressors feature energy management and monitoring systems that provide real-time data on energy consumption and performance. These systems allow operators to identify energy inefficiencies, optimize compressor settings, and implement energy-saving practices.

It’s important to note that the energy efficiency of an air compressor also depends on factors such as the specific model, size, and application. Manufacturers often provide energy efficiency ratings or specifications for their compressors, which can help in comparing different models and selecting the most efficient option for a particular application.

Overall, modern air compressors incorporate various energy-saving technologies and design elements to enhance their efficiency. Investing in an energy-efficient air compressor not only reduces operational costs but also contributes to sustainability efforts by minimizing energy consumption and reducing carbon emissions.

air compressor

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

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

1. Operating Principle:

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

2. Compression Method:

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

3. Efficiency:

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

4. Noise Level:

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

5. Maintenance:

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

6. Size and Portability:

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

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

China best CHINAMFG China Electric Direct Driven Rotary Screw Air Compressor   air compressor partsChina best CHINAMFG China Electric Direct Driven Rotary Screw Air Compressor   air compressor parts
editor by CX 2023-10-04

China best Made in China 15kw 20HP 8~10 Bar Electric Direct Driven Industrial Combined Rotary Screw Air Compressor Machine Price with Dryer and Tank 12v air compressor

Product Description

Product Description

The combined screw air compressor is assembled by screw air compressor, refrigerated air dryer, air storage tank and precision filter
.Main features:
1. Efficient performance, convenience, and space saving
2. High efficiency and reliable quality
3. Power: 7.5~37KW
4. Pressure: 7~16bar
5. Capacity: 0.6~2.8m3/min

Model Motor Power Working Pressure Capacity Dimension(mm) Net Weight Air Outlet Pipe Diameter NOISE
dB(A)
Air tank Motor Protection Class
kw/hp Psi bar Cfm m3/min L*W*H KGS
SGAT08 7.5/10 116 8 39 1.1 1850*700*1460mm 300 G3/4″ 68±2dB 300 IP54
145 10 32 0.9
174 12 28.3 0.8
SGAT15 15/20 116 8 81 2.3 1850*750*1640mm 300 G3/4″ 68±2dB 300 IP23
145 10 74 2.1
174 12 67.1 1.9
SGAT22 22/30 116 8 127.1 3.6 2050*850*1780mm 600 G1″ 68±2dB 300 IP23
145 10 113.0  3.2
174 12 95.3 2.7
SGAT08PM 7.5/10 116 8 39 1.1 1850*700*1460mm 300 G3/4″ 68±2dB 300 IP54
145 10 32 0.9
174 12 28.3 0.8
SGAT15PM 15/20 116 8 81 2.3 1850*750*1640mm 300 G3/4″ 68±2dB 300 IP23
145 10 74 2.1
174 12 67.1 1.9
SGAT22PM 22/30 116 8 127.1 3.6 2050*850*1780mm 600 G1″ 68±2dB 300 IP23
145 10 113.0  3.2
174 12 95.3 2.7

Company Profile

After Sales Service

 

FAQ

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.

 

 

Shipping Cost:

Estimated freight per unit.



To be negotiated
After-sales Service: Online Technical Support
Warranty: 1 Year for The Whole Machine
Lubrication Style: Lubricated
Customization:
Available

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air-compressor

Choose an Air Compressor for Your Business

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

Positive displacement

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

Single-stage

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

low noise

Low noise air compressors are ideal for a variety of applications. While no air compressor is completely silent, some models are much quieter than others. For the Hitachi EC28M portable compressor, the noise level is 59 decibels. The compressor features steel rollers that protect the internal components and give it a sleek, modern look. It also has a one-gallon fuel tank and a half-horsepower drive.
Noise from air compressors can be distracting and reduce productivity. It is important to choose low-noise air compressors to keep employees healthy and happy at work. While noise is an unfortunate aspect of working on the shop floor, reducing it can improve productivity. By reducing distracting noise, employees can focus on their work and communicate more effectively. That means higher quality work and happier clients. If you’re looking for a low-noise air compressor, be sure to read the tips below.
Low noise air compressors are an excellent choice for businesses of all sizes. These powerful tools can run multiple tools simultaneously. The two water tanks are made of rust-resistant aluminum and are stackable. This air compressor is heavier and can handle large jobs with ease. It costs more than other air compressors, but it can handle a lot of work efficiently. CZPT Air Tools air compressors come with a one-year warranty and are highly recommended by contractors.
Noiseless air compressors are generally more expensive than comparable products, but they are worth the extra cost. Noiseless compressors are a good option for businesses that need to avoid disturbing nearby people. For example, you might want to consider a low-noise air compressor for a dental office, which cannot tolerate noise. Fortunately, this problem can be solved by relocating the compressor to a location that is more isolated from your workspace.
One brand of low-noise air compressors offers two models. The CZPT Air Tools 2010A features a large cast aluminum can, regulating pressure gauge, and two universal quick-connects. It produces 68 decibels of noise when it works. It has a large 8-gallon fuel tank capacity and has wheels and handles for easy transport. Its powerful engine produces a low noise level of 68 decibels.
Another popular low noise air compressor is the Makita MAC210Q Quiet Series. This model is capable of producing up to 71.5 decibels of sound, which is the amount of air it produces at 90PSI. The MAC210Q features a durable oil-free pump and weighs just 36 pounds with a handle and wheels. These compressors are easy to move and ideal for indoor work.
China best Made in China 15kw 20HP 8~10 Bar Electric Direct Driven Industrial Combined Rotary Screw Air Compressor Machine Price with Dryer and Tank   12v air compressorChina best Made in China 15kw 20HP 8~10 Bar Electric Direct Driven Industrial Combined Rotary Screw Air Compressor Machine Price with Dryer and Tank   12v air compressor
editor by CX 2023-05-16

China wholesaler Rj-60A Portable Type 60HP 45kw Electric Screw Air Compressor with Air Dryer wholesaler

Product Description

RJ-60A Portable Type 60HP 45KW Electric Screw Air Compressor With Air Dryer

Main Features:

1. The flexible belt will be automatically tensioned in use. Through adjusting the tension, minimize the loss of pressure and power, to enhance the efficiency of compression.

2. Using the precise spin-oil separator and special two-pole buffer separation, it can minimize the oil consumption, guarantee the outlet gas purity, and extend the lifetime of filter elements.

3.  With the toothed V-belt, it has good heat dissipation, long life, higher gear drive and transmission efficiency, as high as over 98%.

Advantage:

Our anvantages

 

High quality screw air compressor

Reasonable price

Strict delivery time
Good after-sales service

Profession maker for 15 years

Strict quality control

Streamline production makes each node be well controlled thus to guarantee more reliable quality.

Re-create the industry revolution of the air compresssor ,
Low after-sales maintenance cost and excellent promptness in the industry,
We not only provide air systems, but also break the industry monopoly to provide the users with profits

Technical parameters:

Our Workshop:

Package:

Ms. Carolyn Zhou
HangZhou CZPT Machinery Co., Ltd
Mobile:
borunmachinery

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

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Choosing an Air Compressor

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

Positive displacement

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

Oil-injected

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

Oil-free

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

Single-stage

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

Low-noise

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

China wholesaler Rj-60A Portable Type 60HP 45kw Electric Screw Air Compressor with Air Dryer   wholesaler China wholesaler Rj-60A Portable Type 60HP 45kw Electric Screw Air Compressor with Air Dryer   wholesaler
editor by CX