China factory 4 Bar 5.5bar 6bar 7bar 8bar 10 Bar Air Compressor Two Stage Screw Air Compressor manufacturer

Product Description

Technical Parameters for 30KW Two Stage Screw Air Compressor  
Condition:  New Brand Name: KEEPWIN Motor speed 2950rpm  
Power Source:   AC power Model: KP-LR-30S Motor power 30KW /40HP  
Type:  Screw Compressor Voltage: 220V/380V/400V/415V/440V/ 600V/660V,etc Suitable Medium Air  
Configuration  Stationary/ Skid Air Delivery 6.4m3/min (226cfm/min) Insulation Class F  
Noise 78dB Inlet Pressure Atmosphere Color Customized is accepted  
Lubrication Style: Oil Lubricate Working Pressure 8bar Temperature rise;  Class B  
Drive Mode Direct Drive Weight: 1080kgs Diameter of outlet G 1″  
After-sales Service Engineers available to service overseas Cooling method air cooling Enviroment temprature -5~+45ºC  
OEM: Welcomed Dimension 1650*880*1280mm Warranty  12 Months  
Package:According to the customer’s requirements to customize OEM or ODM products. And in order to let our customer to receive the whole good quality products,
we packed all of the goods by polywood case free for them. 
 
E
Energy Saving Analysis of Two Stage Screw Compressor

Power range: 20Hp ~ 600Hp
Customize Working Pressure: 6-16Bar
Normal working pressure: 7bar/8bar/10bar/13bar

*The fisrt time compressed air go through fuel injection cooling,after lowered the 2 stage suction temperature,do the second same pressure compression.   
*Two stage compressor using the same pressure ratio to set the air end space pressure. So each stage compression ratio is less than CHINAMFG compression ratio.The amount of the backflow leakage between the rotors is greatly reduced, and the volumetric efficiency and the adiabatic efficiency are greatly improved                                                                                                                                                                                                                   *Under the same power, the 2 stage compressor compressed air is more 15% higer than CHINAMFG compressor, and can achieve up to 15% energy saving.

 
Nine Hihglight points for Keepwin’s Screw Compressor 

1. Intelligent microcomputer control system, controller has the remind & record function, show the compressor operation situation clearly
2. Superior components, low maintenance cost
3.Germany OPTI belt, easy for replace, and ensure the product quality
4. Oversize air-end, low rpm, no overheat problem
5. IP54/IP55 high quality motor, CHINAMFG bearing, Class F level insulation; Class BTemperature rise; 
6. Discharge temperature= Ambient temperature+15ºC, with cooling/ventilation system tailor made to the same local hot-humid climatic condition, NO OVERHEATING ON CONTINUOUS 100% LOAD IS GUARANTEED!
7.Top door is locking design, easy to open to clean the cooler and fan 
8.Compressor is filled with lubrication oil before delivering, you can operate it after installed and powered on. Once it run 500hours to change the new air filter and oil filter was set for first maintenance, then normally change them with 2000-3000hours for once maintenance replacing new one.
9. Phase reversal protection, current overload protection, pressure protection, overheat protection

COMPRESSOR Picture Model &Name Motor Air End type Working Pressure/  Air Delivery Power Power consumption compare & calculation
KP-LD-22 Normal screw compressor (single stage air end) Normal motor Single stage air end 8bar  3.3m3/min 22KW “=22KW*10h*360days*0.2 usd 
KP-LDV-22 Inverter screw compressor  Inverter/Frequency motor Single stage air end 8bar  0.6-3.3m3/min 22KW “=22KW*10h*360days*0.2 usd*15%
 KP-LR-18.5 Two Stage screw compressor
 (two stage air end)
Normal motor Two stage air end 8bar  3.3m3/min 18.5KW =18.5KW*10h*360days*0.2 usd
Above calculation was based the normal working 10hours everyday ,total worked for 360days in a year, and example for the power electric charge is USD$0.2/KW.h ( please you can change to your local correct power electric charge;)
1. SLD-22  Normal screw compressor  =22KW*10h*360days*$0.2 usd /KW.h=USD $15840.00
2.SLDV-22 Inverter CHINAMFG =22KW*10h*360days*$0.2 usd /KW.h*15%=USD $13464.00 (for frequency/inverter CHINAMFG can save at least 15% power consumption than normal screw compressor)
3. SLR-18.5 Two Stage CHINAMFG =18.5KW*10h*360days*$0.2 usd /KW.h=USD $13320.00

 

 
Technical Parameter (Two Stage Screw Air Compressor)
 Model   Working Pressure F.A.D (Air Delivery) Motor Power Dimension  N.W  Connection
Bar Psi m3/min cfm KW HP  L×W×H(mm) KG  
KP-LR-15S 8 116 2.9 102 15 20 1150*800*1180 500 DN20
10 145 2.6 92
13 189 2.2 78
KP-LR-18.5S 8 116 3.3 117 18.5 25 1150*800*1180 700 DN25
10 145 3 106
13 189 2.6 92
KP-LR-22S 8 116 4.1 145 22 30 1650*880*1280 800 G1-1/2
10 145 3.5 124
13 189 3.2 113
KP-LR-30S 8 116 6.4 226 30 40 1650*880*1280 1080 G1-1/2
10 145 4.9 173
13 189 4.2 148
KP-LR-37S 8 116 7.1 251 37 50 2000*1260*1560 1380 G1-1/2
10 145 6.3 223
13 189 5.4 191
KP-LR-45S 8 116 9.7 343 45 60 2000*1260*1560 1980 G2″
10 145 7.8 276
13 189 6.5 230
KP-LR-55S 8 116 12.5 442 55 75 2100*1360*1660 2380 G2″
10 145 9.6 339
13 189 8.6 304
KP-LR-75S 8 116 16.5 583 75 100 2100*1360*1660 3200 G2″
10 145 12.5 442
13 189 11.2 396
KP-LR-90S 8 116 20 706 90 125 2550*1730*1918 3400 DN65
10 145 16.9 597
13 189 14 495
KP-LR-110S 8 116 23.5 830 110 150 2550*1730*1918 4500 DN80
10 145 20 706
13 189 17 600
KP-LR-132S 8 116 28 989 132 180 2855*1730*1918 4800 DN80
10 145 23.5 830
13 189 19.5 689
KP-LR-160S 8 116 33 1166 160 220 2855*1730*1918 6200 DN80
10 145 28 989
13 189 23 812
KP-LR-185S 8 116 38 1342 185 250 3200*1730*1918 6300 DN80
10 145 32.5 1148
13 189 27.5 971
KP-LR-200S 8 116 43 1519 200 280 3200*1730*1918 6500 DN100
10 145 38.5 1360
13 189 33 1166
KP-LR-220S 8 116 47 1660 220 300 4000*1730*1918 6850 DN125
10 145 41.5 1466
13 189 38 1342
KP-LR-250S 8 116 54 1907 250 340 4000*2120*2200 8100 DN125
10 145 45 1590
13 189 40 1413
KP-LR-280S 8 116 59 2084 280 380 4350*2050*2120 8500 DN125
10 145 53.5 1890
13 189 43.5 1537
KP-LR-315S 8 116 68 2403 315 420 4350*2050*2120 8600 DN125
10 145 62 2191
13 189 55 1943
KP-LR-355S 8 116 74 2615 355 480 4550*2150*2220 8800 DN125
10 145 68 2403
13 189 62 2191
*According to the standard of GB19153-2009     *Compressor Stage: CHINAMFG Compression
*Standard Power Supply: 380V/50Hz/3ph           *Exhaust Temperature: Ambient Temperature +15ºC
*Configurated normal temperature type Air dryer,with Dew Point range: 3-10ºC;
*Please contact us for any specification that is not within the above mentioned standard.
Welcome to join us !
We Consider Our Customers as Our Friends and Families, and We do Believe in the CHINAMFG Situation for Building up Long-Term Relationship. 
• Innovation
    Provide innovative, stable products and services.
• Quality
    Deliver consistently superior performance and pursue every possible improvement. 
• Agility
    Identify emerging trends and act quickly to acquire new opportunities.
• Customer Satisfaction
    Anticipate customer needs and exceed their expectations.
• Warranty
Within 12 months since the customer used,or 18 months since shipped from factory, no matter which expires, we ensure that no defects for material and manufacturing.
• OEM & ODM
According to the customer’s requirements to customize OEM or ODM products. And in order to let our customer to receive the whole good quality products, we packed all of the goods by polywood case free for them. 

Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Cylinder Position: Angular
Structure Type: Open Type
Installation Type: Stationary Type
Samples:
US$ 5888/Piece
1 Piece(Min.Order)

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Request Sample

Customization:
Available

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air compressor

What are the differences between stationary and portable air compressors?

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

1. Mobility:

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

2. Power Source:

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

3. Tank Capacity:

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

4. Performance and Output:

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

5. Noise Level:

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

6. Price and Cost:

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

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

air compressor

Can air compressors be integrated into automated systems?

Yes, air compressors can be integrated into automated systems, providing a reliable and versatile source of compressed air for various applications. Here’s a detailed explanation of how air compressors can be integrated into automated systems:

Pneumatic Automation:

Air compressors are commonly used in pneumatic automation systems, where compressed air is utilized to power and control automated machinery and equipment. Pneumatic systems rely on the controlled release of compressed air to generate linear or rotational motion, actuating valves, cylinders, and other pneumatic components. By integrating an air compressor into the system, a continuous supply of compressed air is available to power the automation process.

Control and Regulation:

In automated systems, air compressors are often connected to a control and regulation system to manage the compressed air supply. This system includes components such as pressure regulators, valves, and sensors to monitor and adjust the air pressure, flow, and distribution. The control system ensures that the air compressor operates within the desired parameters and provides the appropriate amount of compressed air to different parts of the automated system as needed.

Sequential Operations:

Integration of air compressors into automated systems enables sequential operations to be carried out efficiently. Compressed air can be used to control the timing and sequencing of different pneumatic components, ensuring that the automated system performs tasks in the desired order and with precise timing. This is particularly useful in manufacturing and assembly processes where precise coordination of pneumatic actuators is required.

Energy Efficiency:

Air compressors can contribute to energy-efficient automation systems. By incorporating energy-saving features such as Variable Speed Drive (VSD) technology, air compressors can adjust their power output according to the demand, reducing energy consumption during periods of low activity. Additionally, efficient control and regulation systems help optimize the use of compressed air, minimizing waste and improving overall energy efficiency.

Monitoring and Diagnostics:

Integration of air compressors into automated systems often includes monitoring and diagnostic capabilities. Sensors and monitoring devices can be installed to collect data on parameters such as air pressure, temperature, and system performance. This information can be used for real-time monitoring, preventive maintenance, and troubleshooting, ensuring the reliable operation of the automated system.

When integrating air compressors into automated systems, it is crucial to consider factors such as the specific requirements of the automation process, the desired air pressure and volume, and the compatibility of the compressor with the control and regulation system. Consulting with experts in automation and compressed air systems can help in designing an efficient and reliable integration.

In summary, air compressors can be seamlessly integrated into automated systems, providing the necessary compressed air to power and control pneumatic components, enabling sequential operations, and contributing to energy-efficient automation processes.

air compressor

How does an air compressor work?

An air compressor works by using mechanical energy to compress and pressurize air, which is then stored and used for various applications. Here’s a detailed explanation of how an air compressor operates:

1. Air Intake: The air compressor draws in ambient air through an intake valve or filter. The air may pass through a series of filters to remove contaminants such as dust, dirt, and moisture, ensuring the compressed air is clean and suitable for its intended use.

2. Compression: The intake air enters a compression chamber, typically consisting of one or more pistons or a rotating screw mechanism. As the piston moves or the screw rotates, the volume of the compression chamber decreases, causing the air to be compressed. This compression process increases the pressure and reduces the volume of the air.

3. Pressure Build-Up: The compressed air is discharged into a storage tank or receiver where it is held at a high pressure. The tank allows the compressed air to be stored for later use and helps to maintain a consistent supply of compressed air, even during periods of high demand.

4. Pressure Regulation: Air compressors often have a pressure regulator that controls the output pressure of the compressed air. This allows the user to adjust the pressure according to the requirements of the specific application. The pressure regulator ensures that the compressed air is delivered at the desired pressure level.

5. Release and Use: When compressed air is needed, it is released from the storage tank or receiver through an outlet valve or connection. The compressed air can then be directed to the desired application, such as pneumatic tools, air-operated machinery, or other pneumatic systems.

6. Continued Operation: The air compressor continues to operate as long as there is a demand for compressed air. When the pressure in the storage tank drops below a certain level, the compressor automatically starts again to replenish the compressed air supply.

Additionally, air compressors may include various components such as pressure gauges, safety valves, lubrication systems, and cooling mechanisms to ensure efficient and reliable operation.

In summary, an air compressor works by drawing in air, compressing it to increase its pressure, storing the compressed air, regulating the output pressure, and releasing it for use in various applications. This process allows for the generation of a continuous supply of compressed air for a wide range of industrial, commercial, and personal uses.

China factory 4 Bar 5.5bar 6bar 7bar 8bar 10 Bar Air Compressor Two Stage Screw Air Compressor   manufacturer China factory 4 Bar 5.5bar 6bar 7bar 8bar 10 Bar Air Compressor Two Stage Screw Air Compressor   manufacturer
editor by CX 2023-10-20