China supplier 15kw 20HP Direct Driven Fixed Speed Industrial Equipment Screw Air Compressor 12v air compressor

Product Description

Product Description

Genuine original air end system
·Original CHINAMFG air end
·The third generation screw rotor profile, 5:6 asymmetric rotor
·Large rotor, low rotation speed, low specific power
·Sweden CHINAMFG element bearings ensure the ultra-long service life of the air end

High efficiency permanent magnet motor
·Using high-performance permanent magnets, no loss of magnetism at 200°C
·IE3 Premium Efficiency
·IP55 degree of protection, Class F insulation, Class B temperature rise
·High transmission efficiency, service life of up to 15 years

High-efficiency air filter
·Filtration accuracy up to 99.5%
·Dust particles below 0.1 CHINAMFG
·Service life up to 3000 hours

High-efficiency oil filter
·Filtration accuracy up to 99.5%
·Oil particles can be controlled at 0.1 CHINAMFG
·Service life up to 3000 hours

High-efficiency oil gas tank
·Oversized oil gas tank improves the cyclone effect maximizing the separation process
·The high-efficiency oil gas separator ensures that the oil content is less than 2ppm
·System pressure drop is less than 0.2bar
·Service life of oil gas separator is up to 3000 hours

Energy-saving air inlet valve
·Large suction area
·Low load energy consumption in unloaded operation
·Cast aluminum maintenance free design
·Fast check: prevent unloading and shutdown oil injection

Classic cooler design
·Oversized cooler design
·Easy access for maintenance
·Anti-corrosion coating on surface

High-quality cooling fan
·Low noise level
·High capacity for optimized cooling
·Low power consumption

Highly integrated microcomputer controller
·7.0 inch full color touch screen
·Full graphical flow diagram
·Multiple languages
·Real-time operation/maintenance/alarm information
·Operation record/chart display
·Weekly and daily scheduling, service history and plHangZhou
·On board RS485 interface, Modbus RTU


Product Parameters

Model Motor Power Maximum Working Pressure Free Air Delivery Air Outlet Pipe Diameter Weight Dimensions(L*W*H)
kW hp bar(g) psig m³/min cfm kg mm
BG10A 7.5 10 7 102 1.2 42 G1/2″ 190 900*650*850
8 116 1.1  39
10 145 0.9  32
13 189 0.7  25
BG15A 11 15 7 102 1.7 60 G3/4″ 320 1060*750*1000
8 116 1.6  57
10 145 1.3  46
13 189 1.0  35
BG20A 15 20 7 102 2.4 85 G3/4″ 340 1060*750*1000
8 116 2.2  78
10 145 2.0  71
13 189 1.6  57
BG25A 18.5 25 7 102 3.1 109 G1″ 400 1150*850*1140
8 116 2.9  102
10 145 2.7  95
13 189 2.2  78
BG30A 22 30 7 102 3.6 127 G1″ 430 1150*850*1140
8 116 3.4  120
10 145 3.2  113
13 189 2.7  95
BG40A 30 40 7 102 5.2  184 G1″ 460 1150*850*1140
8 116 5.0  177
10 145 4.0  141
13 189 3.1  109
BG50A 37 50 7 102 6.4  226 G1-1/2″ 650 1350*1000*1340
8 116 6.3  222
10 145 5.4  191
13 189 4.7  166
BG60A 45 60 7 102 7.3  258 G1-1/2″ 700 1350*1000*1340
8 116 7.2  254
10 145 6.2  219
13 189 5.7  201
BG75A 55 75 7 102 9.5  335 G2″ 1050 1700*1200*1550
8 116 9.4  332
10 145 8.2  290
13 189 6.7  237
BG100A 75 100 7 102 12.4  438 G2″ 1100 1700*1200*1550
8 116 12.2  431
10 145 10.8  381
13 189 9.1  321
BG125A 90 125 7 102 15.4  544 G2″ 1500 2100*1300*1650
8 116 15.0  530
10 145 13.3  470
13 189 11.4  403
BG150A 110 150 7 102 20.1  710 DN80 2650 2500*1650*1900
8 116 19.9  703
10 145 16.3  576
13 189 14.5  512
BG180A 132 180 7 102 23.4  826 DN80 2800 2500*1650*1900
8 116 23.0  812
10 145 19.7  696
13 189 16.0  565
BG220A 160 220 7 102 27.5  971 DN80 3950 3000*1900*1950
8 116 27.0  954
10 145 22.5  795
13 189 21.0  742
BG250A 185 250 7 102 30.5  1077 DN80 4100 3000*1900*1950
8 116 29.5  1042
10 145 27.0  954
13 189 22.5  795
BG300A 220 300 7 102 38.0  1342 DN100 5000 3600*2200*2200
8 116 37.0  1307
10 145 33.0  1165
13 189 28.5  1006
BG340A 250 340 7 102 44.0  1554 DN100 5900 3600*2200*2200
8 116 42.5  1501
10 145 37.5  1324
13 189 31.5  1112
BG420A 315 420 7 102 56.0  1978 DN125 6500 4000*2300*2300
8 116 54.0  1907
10 145 49.0  1730
13 189 43.0  1519

Company Profile

Wallboge is a high-tech enterprise and is considered 1 of the leading manufacturers of air compressor products in China. Our goal is to provide exceptional customer service coupled with quality products and energy saving solutions.

Wallboge’ s primary businesses focus in following key areas:

Integrated screw air compressor for laser cutting
Permanent magnet variable frequency screw air compressor
Two-stage compression permanent magnet variable frequency screw air compressor
Low pressure two-stage compression permanent magnet variable frequency screw air compressor
Low pressure permanent magnet variable frequency screw air compressor
Water-lubricated oil-free screw air compressor
Fixed speed screw air compressor
Oil-free screw blower
Screw vacuum pump

At Wallboge, we earn our customers’ trust and satisfaction by manufacturing the superior quality compressed air products for all industries. All of our products are designed for reliable performance, easy maintenance, and maximum energy efficiency. CHINAMFG has been exporting to more than 150 countries across the globe. 

Wallboge continuously innovates product development and management to meet customers’ demand. The powerful enterprise culture and continuous innovation make CHINAMFG improved rapidly. Wallboge’ s vision is to be a world-renowned high-end energy-saving machinery brand, with sustainable development, constantly improving its own value and sharing it with our customers and staff, committed to continuously satisfying the needs of global companies by providing a full range of industrial air compression solutions.




After Sales Service

1. 24/7 after sales service in different languages.
2. Online instruction for installation and commissioning.
3. On-site instruction for installation and commissioning provided by well-trained engineers or local authorized service center.
4. CHINAMFG agents and after sales service available.

Our Advantages

1. Proven product quality.
2. Factory direct prices.
3. On-time delivery.
4. Prompt technical support in different languages before sales, in sales and after sales.
5. Small orders accepted to check quality first.
6. OEM & ODM service available.



Q1: Are you a factory or a trading company? 
A1: We are a factory. Please check our Company Profile.

Q2: What is the exact address of your factory? 
A2: No. 588, East Tonggang Road, Shaxi Town, HangZhou City, ZheJiang Province, China

Q3: What is your delivery time?
A3: For standard voltage, the delivery time is 15 working days after you confirm the order. For non-standard voltage, please contact our sales to confirm the delivery time.

Q4: What kind of payment terms do you accept?
A4: We accept T/T, L/C at sight.

Q5: How long is the warranty of your air compressor?
A5: 2 years for the whole air compressor except consumable spare parts.

Q6: How long could your air compressor be used?
A6: Generally, more than 10 years.

Q7: What is your MOQ requirement?
A7: 1 unit.

Q8: Can you offer OEM & ODM service?
A8: Yes, with a professional design team, we can offer OEM & ODM service.

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After-sales Service: Engineers Available to Overseas Service.
Warranty: 2 Years
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type


air compressor

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

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

1. Variable Speed Drive (VSD) Compressors:

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

2. Energy-Efficient Motors:

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

3. Heat Recovery Systems:

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

4. Air Receiver Tanks:

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

5. System Control and Automation:

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

6. Leak Detection and Repair:

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

7. System Optimization and Maintenance:

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

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

air compressor

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.


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 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.


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.

air compressor

Are there air compressors specifically designed for high-pressure applications?

Yes, there are air compressors specifically designed for high-pressure applications. These compressors are engineered to generate and deliver compressed air at significantly higher pressures than standard air compressors. Here are some key points about high-pressure air compressors:

1. Pressure Range: High-pressure air compressors are capable of producing compressed air at pressures typically ranging from 1000 to 5000 psi (pounds per square inch) or even higher. This is considerably higher than the typical range of 100 to 175 psi for standard air compressors.

2. Construction: High-pressure aircompressors feature robust construction and specialized components to withstand the higher pressures involved. They are designed with reinforced cylinders, pistons, valves, and seals that can handle the increased stress and prevent leaks or failures under high-pressure conditions.

3. Power: Generating high-pressure compressed air requires more power than standard compressors. High-pressure air compressors often have larger motors or engines to provide the necessary power to achieve the desired pressure levels.

4. Applications: High-pressure air compressors are utilized in various industries and applications where compressed air at elevated pressures is required. Some common applications include:

  • Industrial manufacturing processes that involve high-pressure air for operations such as air tools, pneumatic machinery, and equipment.
  • Gas and oil exploration and production, where high-pressure air is used for well drilling, well stimulation, and enhanced oil recovery techniques.
  • Scuba diving and underwater operations, where high-pressure air is used for breathing apparatus and underwater tools.
  • Aerospace and aviation industries, where high-pressure air is used for aircraft systems, testing, and pressurization.
  • Fire services and firefighting, where high-pressure air compressors are used to fill breathing air tanks for firefighters.

5. Safety Considerations: Working with high-pressure air requires adherence to strict safety protocols. Proper training, equipment, and maintenance are crucial to ensure the safe operation of high-pressure air compressors. It is important to follow manufacturer guidelines and industry standards for high-pressure applications.

When selecting a high-pressure air compressor, consider factors such as the desired pressure range, required flow rate, power source availability, and the specific application requirements. Consult with experts or manufacturers specializing in high-pressure compressed air systems to identify the most suitable compressor for your needs.

High-pressure air compressors offer the capability to meet the demands of specialized applications that require compressed air at elevated pressures. Their robust design and ability to deliver high-pressure air make them essential tools in various industries and sectors.

China supplier 15kw 20HP Direct Driven Fixed Speed Industrial Equipment Screw Air Compressor   12v air compressorChina supplier 15kw 20HP Direct Driven Fixed Speed Industrial Equipment Screw Air Compressor   12v air compressor
editor by CX 2023-12-16