Product Description
Product Parameters
| Model | Power(Kw) | Free Air Delivery(m³/min) | Weight(kg) | Size(mm) | Pipe Diamater | |||||
| 0.6Mpa | 0.7MPa | 0.8MPa | 1.0MPa | Length | Width | Height | ||||
|
MQ37DA |
37 |
8.8 |
8.4 |
8 |
7.1 |
1500 |
2380 |
1300 |
1590 |
DN50 |
|
MQ45DA |
45 |
11.8 |
11.4 |
10.7 |
9.4 |
1750 |
2380 |
1300 |
1590 |
DN50 |
|
MQ55DA |
55 |
14.2 |
13.7 |
12.7 |
11.7 |
1750 |
2380 |
1300 |
1590 |
DN50 |
|
MQ75DA |
75 |
17 |
16.3 |
16.1 |
12.8 |
2650 |
2900 |
1650 |
1850 |
DN65 |
|
MQ75DW |
75 |
17 |
16.3 |
16.1 |
12.8 |
2430 |
2400 |
1650 |
1850 |
DN65 |
|
MQ90DA |
90 |
23.5 |
22.3 |
20.6 |
18.5 |
2680 |
2900 |
1650 |
1850 |
DN65 |
|
MQ90DW |
90 |
23.5 |
22.3 |
20.6 |
18.5 |
2490 |
2400 |
1650 |
1850 |
DN65 |
|
MQ110DA |
110 |
26 |
25 |
24 |
22 |
2700 |
2900 |
1650 |
1850 |
DN65 |
|
MQ110DW |
110 |
26 |
25 |
24 |
22 |
2600 |
2400 |
1650 |
1850 |
DN65 |
|
MQ132DA |
132 |
30 |
29 |
28 |
24.5 |
3340 |
3100 |
1800 |
1950 |
DN80 |
|
MQ132DW |
132 |
30 |
29 |
28 |
24.5 |
2960 |
2650 |
1800 |
1950 |
DN80 |
|
MQ160DA |
160 |
35.5 |
34.5 |
33.8 |
31 |
3360 |
3100 |
1800 |
1950 |
DN80 |
|
MQ160DW |
160 |
35.5 |
34.5 |
33.8 |
31 |
3180 |
2650 |
1800 |
1950 |
DN80 |
|
MQ185DA |
185 |
41 |
38.5 |
36 |
32 |
4400 |
3600 |
1900 |
2050 |
DN100 |
|
MQ185DW |
185 |
41 |
38.5 |
36 |
32 |
3650 |
3000 |
1900 |
2050 |
DN100 |
|
MQ200DA |
200 |
42 |
41 |
40 |
34 |
4400 |
3600 |
1900 |
2050 |
DN100 |
|
MQ200DW |
200 |
42 |
41 |
40 |
34 |
3700 |
3000 |
1900 |
2050 |
DN100 |
|
MQ220DA |
220 |
50 |
46.5 |
45 |
40 |
5120 |
4100 |
2255 |
2300 |
DN125 |
|
MQ220DW |
220 |
50 |
46.5 |
45 |
40 |
4550 |
3250 |
2255 |
2300 |
DN125 |
|
MQ250DA |
250 |
58 |
55 |
53 |
43 |
5120 |
4100 |
2255 |
2300 |
DN125 |
|
MQ250DW |
250 |
58 |
55 |
53 |
43 |
4550 |
3250 |
2255 |
2300 |
DN125 |
Operation Instructions:
A:Before Operation:
- Confirm the voltage of the power supply and the power indicator light is lit.
- Please open the leak valve of the oil & gas tank, drain the condensed water and immediately close the leak valve when oil leaks out.
- Please check the oil level and keep it between indicator oil level.
- Water cooled system , confirm that cooling water supply is normal.
- When generator driving the belt, please check the belt tension correctly, not too loose or too tight.
B:Start up
- Main power switch in.
- Press the start button to turn on the motor, working indicator light is on.
- Check the discharge pressure gauge and lubricating oil pressure gauge are in correct indication.
C:Operation
Please keep the exhaust temperature between 75ºC-95ºC to avoid condensation and precipitation and emulsify the oil.
D:Stop
- Press the “off” button, about 10-15 seconds later, the delay electromagnetic valve acts, and the compressor stops running.
- Turn off the power.
- Don’t use the emergency stop button in case of non emergency.
E: Precautions:
- For initial start-up and after motor maintenance, determine the running direction of the press (as indicated by the arrow).
- Do not mix different brand of river lubricating oil.
- Change the consumables, lubricating oil and detail operation method, please refer the instruction manual.
/* October 22, 2571 15:47:17 */(()=>{function d(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
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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.
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How are air compressors utilized in pneumatic tools?
Air compressors play a crucial role in powering and operating pneumatic tools. Here’s a detailed explanation of how air compressors are utilized in pneumatic tools:
Power Source:
Pneumatic tools rely on compressed air as their power source. The air compressor generates and stores compressed air, which is then delivered to the pneumatic tool through a hose or piping system. The compressed air provides the force necessary for the tool to perform various tasks.
Air Pressure Regulation:
Air compressors are equipped with pressure regulation systems to control the output pressure of the compressed air. Different pneumatic tools require different air pressure levels to operate optimally. The air compressor’s pressure regulator allows users to adjust the output pressure according to the specific requirements of the pneumatic tool being used.
Air Volume and Flow:
Air compressors provide a continuous supply of compressed air, ensuring a consistent air volume and flow rate for pneumatic tools. The air volume is typically measured in cubic feet per minute (CFM) and determines the tool’s performance capabilities. Higher CFM ratings indicate that the pneumatic tool can deliver more power and operate at a faster rate.
Tool Actuation:
Pneumatic tools utilize compressed air to actuate their mechanical components. For example, an air-powered impact wrench uses compressed air to drive the tool’s internal hammer mechanism, generating high torque for fastening or loosening bolts and nuts. Similarly, air-powered drills, sanders, nail guns, and spray guns rely on compressed air to power their respective operations.
Versatility:
One of the significant advantages of pneumatic tools is their versatility, and air compressors enable this flexibility. A single air compressor can power a wide range of pneumatic tools, eliminating the need for separate power sources for each tool. This makes pneumatic tools a popular choice in various industries, such as automotive, construction, manufacturing, and woodworking.
Portability:
Air compressors come in different sizes and configurations, offering varying degrees of portability. Smaller portable air compressors are commonly used in applications where mobility is essential, such as construction sites or remote locations. The portability of air compressors allows pneumatic tools to be used in various work environments without the constraints of being tethered to a fixed power source.
Overall, air compressors are integral to the functionality and operation of pneumatic tools. They provide the necessary power, air pressure regulation, and continuous airflow required for pneumatic tools to perform a wide range of tasks efficiently and effectively.
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Can you explain the basics of air compressor terminology?
Understanding the basic terminology related to air compressors can help in better comprehension of their operation and discussions related to them. Here are some essential terms related to air compressors:
1. CFM (Cubic Feet per Minute): CFM is a unit of measurement that denotes the volumetric flow rate of compressed air. It indicates the amount of air a compressor can deliver within a minute and is a crucial factor in determining the compressor’s capacity.
2. PSI (Pounds per Square Inch): PSI is a unit of measurement used to quantify pressure. It represents the force exerted by the compressed air on a specific area. PSI is a vital specification for understanding the pressure capabilities of an air compressor and determining its suitability for various applications.
3. Duty Cycle: Duty cycle refers to the percentage of time an air compressor can operate in a given time period. It indicates the compressor’s ability to handle continuous operation without overheating or experiencing performance issues. For instance, a compressor with a 50% duty cycle can run for half the time in a given hour or cycle.
4. Horsepower (HP): Horsepower is a unit used to measure the power output of a compressor motor. It indicates the motor’s capacity to drive the compressor pump and is often used as a reference for comparing different compressor models.
5. Receiver Tank: The receiver tank, also known as an air tank, is a storage vessel that holds the compressed air delivered by the compressor. It helps in stabilizing pressure fluctuations, allowing for a more consistent supply of compressed air during peak demand periods.
6. Single-Stage vs. Two-Stage: These terms refer to the number of compression stages in a reciprocating air compressor. In a single-stage compressor, air is compressed in a single stroke of the piston, while in a two-stage compressor, it undergoes initial compression in one stage and further compression in a second stage, resulting in higher pressures.
7. Oil-Free vs. Oil-Lubricated: These terms describe the lubrication method used in air compressors. Oil-free compressors have internal components that do not require oil lubrication, making them suitable for applications where oil contamination is a concern. Oil-lubricated compressors use oil for lubrication, enhancing durability and performance but requiring regular oil changes and maintenance.
8. Pressure Switch: A pressure switch is an electrical component that automatically starts and stops the compressor motor based on the pre-set pressure levels. It helps maintain the desired pressure range in the receiver tank and protects the compressor from over-pressurization.
9. Regulator: A regulator is a device used to control and adjust the output pressure of the compressed air. It allows users to set the desired pressure level for specific applications and ensures a consistent and safe supply of compressed air.
These are some of the fundamental terms associated with air compressors. Familiarizing yourself with these terms will aid in understanding and effectively communicating about air compressors and their functionality.


editor by lmc 2025-02-24
China Standard Double Stage Rotary Vane Vacuum Pump Air Compressor Two Stage CHINAMFG Two Stage 60HP Permanent Magnetic Screw Air Compressor 45kw air compressor price
Product Description
| MODEL | MAXIMUM WORKING PRESSURE | FREE AIR DELIVERY* OF UNIT AT WORKING PRESSURE | MOTOR | NOISE LEVEL | AIR OUTLET DISCHARGE SIZE | WEIGHT | DIMENSIONS | ||||
| Bar | PSI | l/s | m3/min | CFM | kW | HP | dBA | KG | L X W X H (mm) |
||
| MCS-5.5 | 7 | 102 | 14 | 0.85 | 30 | 5.5 | 7.5 | 65±2 | G3/4 | 240 | 800 x 720 x 950 |
| 8 | 116 | 13 | 0.78 | 28 | |||||||
| 10 | 145 | 11 | 0.65 | 23 | |||||||
| 12 | 174 | 9 | 0.55 | 20 | |||||||
| MCS-7.5 | 7 | 102 | 20 | 1.20 | 43 | 7.5 | 10 | 65±2 | G3/4 | 250 | 800 x 720 x 950 |
| 8 | 116 | 18 | 1.10 | 39 | |||||||
| 10 | 145 | 15 | 0.90 | 32 | |||||||
| 12 | 174 | 13 | 0.75 | 27 | |||||||
| MCS-11 | 7 | 102 | 28 | 1.65 | 59 | 11 | 15 | 70±2 | G3/4 | 350 | 950 x 800 x 1160 |
| 8 | 116 | 25 | 1.50 | 54 | |||||||
| 10 | 145 | 22 | 1.30 | 46 | |||||||
| 12 | 174 | 18 | 1.10 | 39 | |||||||
| MCS-15 | 7 | 102 | 42 | 2.50 | 89 | 15 | 20 | 70±2 | G3/4 | 400 | 950 x 800 x 1160 |
| 8 | 116 | 38 | 2.30 | 82 | |||||||
| 10 | 145 | 35 | 2.10 | 75 | |||||||
| 12 | 174 | 32 | 1.90 | 68 | |||||||
| MCS-18.5 | 7 | 102 | 53 | 3.20 | 114 | 18.5 | 25 | 72±2 | G1 | 550 | 1150 x 900 x 1380 |
| 8 | 116 | 50 | 3.00 | 107 | |||||||
| 10 | 145 | 45 | 2.70 | 96 | |||||||
| 12 | 174 | 40 | 2.40 | 86 | |||||||
| MCS-22 | 7 | 102 | 63 | 3.80 | 136 | 22 | 30 | 73±2 | G1 | 600 | 1150 x 900 x 1380 |
| 8 | 116 | 60 | 3.60 | 129 | |||||||
| 10 | 145 | 53 | 3.20 | 114 | |||||||
| 12 | 174 | 45 | 2.70 | 96 | |||||||
| MCS-30 | 7 | 102 | 88 | 5.30 | 189 | 30 | 40 | 74±2 | G1 | 650 | 1150 x 900 x 1380 |
| 8 | 116 | 83 | 5.00 | 179 | |||||||
| 10 | 145 | 75 | 4.50 | 161 | |||||||
| 12 | 174 | 67 | 4.00 | 143 | |||||||
| MCS-37 | 7 | 102 | 113 | 6.80 | 243 | 37 | 50 | 74±2 | G1 1/2 | 800 | 1320 x 1000 x 1500 |
| 8 | 116 | 103 | 6.20 | 221 | |||||||
| 10 | 145 | 93 | 5.60 | 200 | |||||||
| 12 | 174 | 83 | 5.00 | 179 | |||||||
| MCS-45 | 7 | 102 | 123 | 7.40 | 264 | 45 | 60 | 74±2 | G1 1/2 | 900 | 1320 x 1000 x 1500 |
| 8 | 116 | 117 | 7.00 | 250 | |||||||
| 10 | 145 | 103 | 6.20 | 221 | |||||||
| 12 | 174 | 93 | 5.60 | 200 | |||||||
| MCS-55 | 7 | 102 | 167 | 10.00 | 357 | 55 | 75 | 75±2 | G2 | 1300 | 1600 x 1150 x 1460 |
| 8 | 116 | 153 | 9.20 | 329 | |||||||
| 10 | 145 | 142 | 8.50 | 304 | |||||||
| 12 | 174 | 127 | 7.60 | 271 | |||||||
| MCS-75 | 7 | 102 | 223 | 13.40 | 479 | 75 | 100 | 75±2 | G2 | 1500 | 1800 x 1250 x 1670 |
| 8 | 116 | 210 | 12.60 | 450 | |||||||
| 10 | 145 | 187 | 11.20 | 400 | |||||||
| 12 | 174 | 167 | 10.00 | 357 | |||||||
| MCS-90 | 7 | 102 | 268 | 16.10 | 575 | 90 | 120 | 75±2 | G2 | 1700 | 1800 x 1250 x 1670 |
| 8 | 116 | 250 | 15.00 | 536 | |||||||
| 10 | 145 | 230 | 13.80 | 493 | |||||||
| 12 | 174 | 210 | 12.60 | 450 | |||||||
| MODEL | MAXIMUM WORKING PRESSURE | FREE AIR DELIVERY* OF UNIT AT WORKING PRESSURE | MOTOR | NOISE LEVEL | AIR OUTLET DISCHARGE SIZE | WEIGHT | DIMENSIONS | ||||
| Bar | PSI | l/s | m3/min | CFM | kW | HP | dBA | KG | L X W X H (mm) |
||
| MCS-110 | 7 | 102 | 350 | 21.00 | 750 | 110 | 150 | 75±2 | DN65 | 2700 | 2700 x 1470 x 1840 |
| 8 | 116 | 330 | 19.80 | 707 | |||||||
| 10 | 145 | 290 | 17.40 | 621 | |||||||
| 12 | 174 | 247 | 14.80 | 529 | |||||||
| MCS-132 | 7 | 102 | 423 | 25.40 | 907 | 132 | 175 | 75±2 | DN65 | 2900 | 2700 x 1470 x 1840 |
| 8 | 116 | 387 | 23.20 | 829 | |||||||
| 10 | 145 | 342 | 20.50 | 732 | |||||||
| 12 | 174 | 290 | 17.40 | 621 | |||||||
| MCS-160 | 7 | 102 | 478 | 28.70 | 1571 | 160 | 220 | 75±2 | DN65 | 3200 | 2700 x 1470 x 1840 |
| 8 | 116 | 460 | 27.60 | 986 | |||||||
| 10 | 145 | 410 | 24.60 | 879 | |||||||
| 12 | 174 | 358 | 21.50 | 768 | |||||||
| MCS-185 | 7 | 102 | 533 | 32.00 | 1143 | 185 | 250 | 78±2 | DN80 | 3500 | 3200 x 2000 x 2050 |
| 8 | 116 | 507 | 30.40 | 1086 | |||||||
| 10 | 145 | 457 | 27.40 | 979 | |||||||
| 12 | 174 | 413 | 24.80 | 886 | |||||||
| MCS-220 | 7 | 102 | 600 | 36.00 | 1286 | 220 | 300 | 78±2 | DN80 | 4000 | 3200 x 2000 x 2050 |
| 8 | 116 | 572 | 34.30 | 1225 | |||||||
| 10 | 145 | 503 | 30.20 | 1079 | |||||||
| 12 | 174 | 462 | 27.70 | 989 | |||||||
| MCS-250 | 7 | 102 | 700 | 42.00 | 1500 | 250 | 350 | 78±2 | DN100 | 4500 | 3200 x 2000 x 2050 |
| 8 | 116 | 675 | 40.50 | 1446 | |||||||
| 10 | 145 | 637 | 38.20 | 1364 | |||||||
| 12 | 174 | 575 | 34.50 | 1232 | |||||||
| MCS-315 | 7 | 102 | 850 | 51.00 | 1821 | 315 | 430 | 80±2 | DN110 | 6000 | 3500 x 2000 x 2050 |
| 8 | 116 | 837 | 50.20 | 1793 | |||||||
| 10 | 145 | 742 | 44.50 | 1589 | |||||||
| 12 | 174 | 658 | 39.50 | 1411 | |||||||
| MCS-355 | 7 | 102 | 1067 | 64.00 | 2286 | 355 | 480 | 82±2 | DN110 | 6500 | 3500 x 2000 x 2050 |
| 8 | 116 | 1017 | 61.00 | 2179 | |||||||
| 10 | 145 | 942 | 56.50 | 2018 | |||||||
| 12 | 174 | 817 | 49.00 | 1750 | |||||||
| MCS-400 | 7 | 102 | 1187 | 71.20 | 2543 | 400 | 540 | 82±2 | DN120 | 7200 | 3800 x 2000 x 2050 |
| 8 | 116 | 1135 | 68.10 | 2432 | |||||||
| 10 | 145 | 1047 | 62.80 | 2243 | |||||||
| 12 | 174 | 870 | 52.20 | 1864 | |||||||
Type of Driving: Belt Driven/Direct Driven
Type of Cooling: Air Cooling/Water Cooling
Motor Efficiency Class: IE5/IE4/IE3/IE2 as per your required
Motor Protection Class: IP23/IP54/IP55 or as per your required
/* March 10, 2571 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
| Lubrication Style: | Lubricated |
|---|---|
| Cooling System: | Air Cooling |
| Power Source: | AC Power |
| Customization: |
Available
|
|
|---|
.shipping-cost-tm .tm-status-off{background: none;padding:0;color: #1470cc}
| Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
|---|
| Payment Method: |
|
|---|---|
|
Initial Payment Full Payment |
| Currency: | US$ |
|---|
| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
|---|
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What are the advantages of using an air compressor in construction?
Using an air compressor in construction offers numerous advantages that contribute to increased efficiency, productivity, and versatility. Here are some key benefits of using air compressors in construction:
- Powering Pneumatic Tools: Air compressors are commonly used to power a wide range of pneumatic tools on construction sites. Tools such as jackhammers, nail guns, impact wrenches, drills, and sanders can be operated using compressed air. Pneumatic tools are often preferred due to their lightweight, compact design and ability to deliver high torque or impact force.
- Efficient Operation: Air compressors provide a continuous and reliable source of power for pneumatic tools, allowing for uninterrupted operation without the need for frequent battery changes or recharging. This helps to maintain a smooth workflow and reduces downtime.
- Portability: Many construction air compressors are designed to be portable, featuring wheels or handles for easy maneuverability on job sites. Portable air compressors can be transported to different areas of the construction site as needed, providing power wherever it is required.
- Versatility: Air compressors are versatile tools that can be used for various applications in construction. Apart from powering pneumatic tools, they can also be utilized for tasks such as inflating tires, cleaning debris, operating air-operated pumps, and powering air horns.
- Increased Productivity: The efficient operation and power output of air compressors enable construction workers to complete tasks more quickly and effectively. Pneumatic tools powered by air compressors often offer higher performance and faster operation compared to their electric or manual counterparts.
- Cost Savings: Air compressors can contribute to cost savings in construction projects. Pneumatic tools powered by air compressors are generally more durable and have longer lifespans compared to electric tools. Additionally, since air compressors use compressed air as their power source, they do not require the purchase or disposal of batteries or fuel, reducing ongoing operational expenses.
- Reduced Electrocution Risk: Construction sites can be hazardous environments, with the risk of electrocution from electrical tools or equipment. By utilizing air compressors and pneumatic tools, the reliance on electrical power is minimized, reducing the risk of electrocution accidents.
It is important to select the appropriate air compressor for construction applications based on factors such as required air pressure, volume, portability, and durability. Regular maintenance, including proper lubrication and cleaning, is crucial to ensure the optimal performance and longevity of air compressors in construction settings.
In summary, the advantages of using air compressors in construction include powering pneumatic tools, efficient operation, portability, versatility, increased productivity, cost savings, and reduced electrocution risk, making them valuable assets on construction sites.
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Are there differences between single-stage and two-stage air compressors?
Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:
Compression Stages:
The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.
Compression Process:
In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.
Pressure Output:
The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.
Efficiency:
Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.
Intercooling:
Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.
Applications:
The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.
It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.
In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.
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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.


editor by CX 2024-02-20
China factory China Factory Products Direct Driven Stationary Electric Double Rotary Screw Air Compressor for Industrial LG55ez manufacturer
Product Description
Product Description
1.) Main engine: adopt the main engine with German exquisite manufacturing technology, and adopt the low pressure and high efficiency tooth shape with CHINAMFG efficiency, optimized flow channel design, large rotor, low speed, high efficiency and high reliability to provide a powerful heart for your compressor, so that you can achieve efficiency and energy saving at the same time.
2.) Equipment appearance design: vertical complete machine design and industrial modeling with independent patent technology, small size, reasonable layout, convenient maintenance and use, suitable for direct use on the production site, and small floor area.
3.) Internal circulation system: all internal lubrication and air system pipelines adopt leak-free sealing design conforming to the SEA standard of the United States, with excellent performance, which can completely eliminate oil, gas, water and other leakage problems.
4.) Advanced monitoring system: adopt the most advanced compressor monitoring design concept to enable customers to monitor the operation of the air compression system in real time.
5.) Pipeline system: the hard pipe design of American standard is adopted. Due to the large inner diameter of the conveying pipe and small flow resistance, the conveying rate of the hard pipe is usually much higher than that of the hose, and it is stable, with long service life, and free of maintenance for life.
6.) Mute design: adopt mute design, optimized sound absorption structure, preset large volume front air filter, smooth air flow, reduce noise and air flow loss to the lowest level in the industry.
Product Parameters
| Model No.: | LG7EZ | LG11EZ | LG15EZ | LG22EZ | LG37EZ | LG55EZ | LG75EZ | |
| Air displacement (m3/min): | 1 | 1.7 | 2.3 | 3.4 | 6.1 | 10 | 12 | |
| Working pressure(bar) : | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
| Compression stage : | Single | |||||||
| Motor Rotation(rpm): | 2950 | |||||||
| Voltage(V/P/Hz) | 380/3/50 | |||||||
| Motor power (kw): | 7.5 | 11 | 15 | 22 | 37 | 55 | 75 | |
| Start method : | Y-△ | Direct Start | Y-△ | |||||
| Driven method | Direct connect | Direct connect | ||||||
| Cooling way | Air cooled | |||||||
| Outlet valve size : | G3/4” | G3/4” | G1″ | G1″ | G1-1/2″ | G2″ | G2″ | |
| Dimension(L*W*H mm): | 800*520*840 | 1571*640*865 | 1300*750*1180 | 1300*880*1250 | 1600*970*1450 | 1600*970*1450 | 1750*1030*1450 | |
| Weight(KG): | 200 | 300 | 350 | 550 | 750 | 1300 | 1600 | |
Detailed Photos
Component Features
Packaging & Shipping
Certifications
Company Profile
FAQ
Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: What about the voltage of products??Can they be customized?
A4: Yes, of course. The voltage can be customized according to your equirement.
Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 20-30 days.
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
Q7 Which trade term can you accept?
A7: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.
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| After-sales Service: | 24 Hours Online Service |
|---|---|
| Warranty: | 1 Year |
| Lubrication Style: | Lubricated |
| Cooling System: | Air Cooling |
| Power Source: | DC Power |
| Cylinder Position: | Horizontal |
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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.
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How are air compressors used in refrigeration and HVAC systems?
Air compressors play a vital role in refrigeration and HVAC (Heating, Ventilation, and Air Conditioning) systems, providing the necessary compression of refrigerant gases and facilitating the heat transfer process. Here are the key ways in which air compressors are used in refrigeration and HVAC systems:
1. Refrigerant Compression:
In refrigeration systems, air compressors are used to compress the refrigerant gas, raising its pressure and temperature. This compressed gas then moves through the system, where it undergoes phase changes and heat exchange to enable cooling or heating. The compressor is the heart of the refrigeration cycle, as it pressurizes and circulates the refrigerant.
2. Refrigeration Cycle:
The compression of refrigerant gas by the air compressor is an essential step in the refrigeration cycle. After compression, the high-pressure, high-temperature gas flows to the condenser, where it releases heat and condenses into a liquid. The liquid refrigerant then passes through an expansion valve or device, which reduces its pressure and temperature. This low-pressure, low-temperature refrigerant then enters the evaporator, absorbing heat from the surrounding environment and evaporating back into a gas. The cycle continues as the gas returns to the compressor for re-compression.
3. HVAC Cooling and Heating:
In HVAC systems, air compressors are used to facilitate cooling and heating processes. The compressor compresses the refrigerant gas, which allows it to absorb heat from the indoor environment in the cooling mode. The compressed gas releases heat in the outdoor condenser unit and then circulates back to the compressor to repeat the cycle. In the heating mode, the compressor reverses the refrigeration cycle, absorbing heat from the outdoor air or ground source and transferring it indoors.
4. Air Conditioning:
Air compressors are an integral part of air conditioning systems, which are a subset of HVAC systems. Compressed refrigerant gases are used to cool and dehumidify the air in residential, commercial, and industrial buildings. The compressor pressurizes the refrigerant, initiating the cooling cycle that removes heat from the indoor air and releases it outside.
5. Compressor Types:
Refrigeration and HVAC systems utilize different types of air compressors. Reciprocating compressors, rotary screw compressors, and scroll compressors are commonly used in these applications. The selection of the compressor type depends on factors such as system size, capacity requirements, efficiency, and application-specific considerations.
6. Energy Efficiency:
Efficient operation of air compressors is crucial for refrigeration and HVAC systems. Energy-efficient compressors help minimize power consumption and reduce operating costs. Additionally, proper compressor sizing and system design contribute to the overall energy efficiency of refrigeration and HVAC systems.
By effectively compressing refrigerant gases and facilitating the heat transfer process, air compressors enable the cooling and heating functions in refrigeration and HVAC systems, ensuring comfortable indoor environments and efficient temperature control.
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What is the role of air compressor tanks?
Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:
1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.
2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.
3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.
4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.
5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.
6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.
Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.


editor by CX 2023-12-28