Product Description

Product Description

 China Manufacture Hot Sales Oil Free Scroll Air Compressor

Advantages1.   Large displacement: Displacement 10% higher than ordinary piston compressor.
2.   Energy-saving: Compared with a piston air compressor, this series of models for the new national standard 2 energy efficiency products, excellent energy saving.
3.   Easy to operate: 24 hours unattended all day work, freeload automatically start, full load automatically shut down.
4.   Strong stability: Under long time working, displacement and pressure stable, no crash phenomenon, low failure rate.
5.   Remote monitor: Computer remote monitoring data, normal operation data, and fault alarm, unattended
6.   Compressed gas 100% purity oil free gas
7.   Oil-Free Scroll Air End: 
No vibration and low noise interpret perfectly the genuine made in Germany. Big rotor, low speed of rotation and direct connection. 
8.   Motor: First-class motors are adopted, with the level of protection being IP54 and insulation level being F.
9.   Easy to operate: It is of beautiful appearance, stable performance, and economy.
10. Strong stability: Under long time working, displacement and pressure stable, no crash phenomenon, low failure rate.

A scroll compressor (also called the spiral compressor, scroll pump, and scroll vacuum pump) is a device for compressing air or refrigerant. It is used in air conditioning equipment, as an automobile supercharger (where it is known as a scroll-type supercharger) and as a vacuum pump.  Much residential central heat pump and air conditioning systems and a few automotive air conditioning systems employ a scroll compressor instead of the more traditional rotary, reciprocating, and wobble-plate compressors.

Detailed Images

Welcome your inquiry for more special process gas compressor to KEEPWIN: 

The type and parameters of the scroll profile determine the working process of the oil-free scroll air compressor. The design of the scroll profile is the core and key of the performance of the scroll air compressor. Based on differential geometry theory, calculates and deduces the mathematical model of the compression process of the scroll air compressor, makes mechanical analysis with the finite element method and simulates the whole balance system with dynamic simulation. High precision numerical control processing and testing technology transforms the theory into safe and reliable industrial products, providing users with stable equipment and excellent compressed air.

Product features

1) Silent mute and energy saving

The suction and exhaust are stable and keep high frequency so that the airflow pulsation is very small. The centrifugal fan for centrifugal air is used and the air duct is optimized to reduce the operation noise. The specific power is far lower than the traditional compressor, saving energy and environmental protection.

2) Clean and oil-free

During the operation of the equipment, there is no need to add lubricating oil, and the gas produced does not contain any oil, and at the same time, the occurrence of overheating life reduction caused by emulsification of oil compressor at low temperature is avoided.

3) Easy maintenance and low cost

The equipment has few parts, small volume, lightweight, no wearing parts, long service life, and very simple maintenance. Compared with the compressor with oil, there is no need to add lubricating oil, no oil mist filter, and the replacement cycle of main pipeline filter and the post-treatment filter element is greatly extended, which reduces the cost of pipeline cleaning and equipment maintenance, and there is no drainage treatment cost of oily wastewater.

Working principle

The moving disk rotates according to the sequence of figure 1-2-3-4-5. The moving and static disks mesh to form a number of crescent-shaped closed compression chambers. The gas is gradually compressed by the crescent-shaped compression chamber and then discharged from the exhaust port in the center of the static disk.

Technical Parameters

Product Name 2.2-5.5kW Silent Oil Free Scroll Air Compressor
Model KXW-0.24/8-M KXW-0.24/8-B KXW-0.40/8-M KXW-0.40/8-B KXW-0.60/8-M KXW-0.60/8-B
Capacity 240 L/min 240 L/min 400 L/min 400 L/min 600 L/min 600 L/min
Discharge pressure   0.5-0.8 MPa 0.5-0.8MPa 0.5-0.8MPa 0.5-0.8MPa 0.5-0.8MPa 0.5-0.8MPa
Power   2.2KW 2.2KW 3.7KW 3.7KW 5.5KW 5.5KW
Speed    3200r/min 3200r/min 3200r/min 3200r/min 3200r/min 3200r/min
Voltage    220V/50Hz 220V/50Hz 380V/50Hz 380V/50Hz 380V/50Hz 380V/50Hz
Noise   59±3 dB (A) 49±3 dB (A) 60±3 dB (A) 50±3 dB (A) 61±3 dB (A) 51±3 dB (A)
Cooling method Air cooling Air cooling Air cooling Air cooling Air cooling Air cooling
Controll method Automatic control Automatic control Automatic control Automatic control Automatic control Automatic control
Weight    110kg 120kg 120kg 210kg 160kg 250kg
This series of products has obtained ISO 8573-1 Class 0 oil-free certification, with few parts, small volume, light weight, small vibration, low noise, no wearing parts, long service life, recognized as silent and maintenance free products, providing clean compressed air for users.It has its own sound insulation cover, which is suitable for occasions with small displacement and strict noise requirements.

Technical Parameters for Oil-Free Scroll Air Compressor air end

Product Name Oil-free Scroll Air End
Model KXW-0.4/10-JT KXW-0.6/10-JT KXW-0.4/10-JT KXW-0.6/10-JT
Capacity    400L/min 600L/min 400L/min 600L/min
Discharge pressure MPa 1 1 1 1
Power   3.7 5.5 3.7 5.5
Speed   3200 2800 3200 2800
Voltage  V/Hz 380/50 380/50 380/50 380/50
Noise  dB (A) 62±3 63±3 62±3 63±3
Discharge temperature  ºC ≤ambient temp+15 ≤ambient temp+15 ≤ambient temp+15 ≤ambient temp+15
Cooling method Whole air cooling Whole air cooling Whole air cooling Whole air cooling
Connect interface size Rc1/2 Rc3/4 Rc1/2 Rc3/4
Weight  kg 21 29 21 29

Technical Parameters for Oil-Free Water Lubricated Screw Compressor

 Oil-Free Water Lubricated Screw Compressor
 Model No. Motor Power (kW) Lubricant Water (L) Air delivery (m3/min) Pressure
Connector dia Sound(dB) Weight(kg) L*W*H(mm)
KPW-7.5F 7.5 12 1.1 7 3/4″ 55 500 1300×800×1300
1 8
0.85 10
0.7 12.5
KPW-11F 11 20 1.8 7 1″ 56 540 1300×800×1300
1.65 8
1.5 10
1.3 12.5
KPW-15F 15 26 2.4 7 1″ 57 650 1600×910×1350
2.2 8
2.1 10
1.8 12.5
KPW-18.5F 18.5 34 3.1 7 1″ 58 840 1600×910×1350
2.9 8
2.7 10
2.3 12.5
KPW-22F 22 41 3.8 7 1″ 58 870 1600×910×1350
3.6 8
3.2 10
2.5 12.5
KPW-30F 30 55 5.3 7 11/4″ 60 980 1950×1050×1432
5 8
4.3 10
3.6 12.5
KPW-37W 37 70 6.6 7 11/4″ 60 1000 1950×1050×1432
6.2 8
5.7 10
4.6 12.5
KPW-45W 45 87 8 7 11/2″ 63 1060 2150×1300×1590
7.7 8
6.9 10
6 12.5
KPW-55W 55 100 10.5 7 2″ 65 1250 2150×1300×1590
9.8 8
8.7 10
7.3 12.5
KPW-75W 75 100 13.6 7 2″ 67 1480 2150×1300×1590
13 8
11.6 10
KPW-90W 90 250 16.2 7 DN50 71 2030 2550×1400×1605
15.5 8
14 10
KPW-110W 110 270 20.8 7 DN65 72 2450 2550×1400×1605
19.5 8
16.5 10
KPW-132W 132 320 24 7 DN65 73 2850 2550×1400×1605
23 8
20 10
KPW-160W 160 360 27.8 7 DN65 75 3750 3300×2200×2000
26.5 8
23.5 10
KPW-200W 200 430 34.5 7 DN80 77 4100 3300×2200×2000
33 8
28 10
KPW-250W 250 540 43 7 DN100 78 4750 3300×2200×2000
40 8
37 10
KPW-280W 280 560 51 7 DN125 78   4000×2000×2100
50 8
45 10
KPW-315W 315 616 56 7 DN125 80   4600×2300×2400
55 8
49 10
KPW-355W 355 704 64 7 DN150 83   4600×2300×2400
62 8
54 10
KPW-400W 400 803 73 7 DN150 85   5000×2350×2399
70 8
61 10
KPW-450W 450 891 81 7 DN175 85   5500×2590×2800
79 8
70 10
KPW-500W 500 979 89 7 DN200 85   5500×2590×2800
87 8
77 10

Inquiry to us!
Note:for the other customizing process water chiller & gas compressor, please kindly send below information to our factory to calculate the producing cost for your item.
Clients’ inquiries should contain related parameters 
A. The gas compression medium 
B. Gas composition? or the gas purity?
C. The gas flow rate: _____Nm3/hr
D. Inlet pressure: _____ Bar (gauge pressure or absolute pressure)
E. Discharge pressure: _____ Bar (gauge pressure or absolute pressure)
F. Inlet temperature
G.Discharge temperature
H. Cooling water temperature as well as other technical requirement.

We view client satisfaction as the witness of our products utility and application in all environments. In line with it, we have developed a general framework for comprehending new developments in the compressor industry.
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.
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. 
• Contact Information
 Tel: -139-1068-4359

KEEPWIN TECHNOLOGY ZheJiang CO., LTD is a high-tech joint-stock enterprise which specializes in the development and designing, manufacturing and installation, mating remolding, and sales service of compressors as well as the corresponding pre-and post-position purifying equipment. CHINAMFG offers you a various range of gas compressors like normal standard screw compressor, piston compressor, diaphragm compressor, CNG compressor, CO2 compressor, Hydrogen compressor, Nitrogen booster compressor, etc. for your process handling needs. These products are developed with the highest level of professionalism and innovation. The premium-grade raw material and advanced technology is utilized in the production process, which assists us in giving required shape, design, and finish to the finished products. The products are then sent to the Quality Control Department for stringent quality tests on various parameters.
Keepwin Gas Solution Engineer can customize any special gas Reciprocating Piston Compressor & high pure gas flammable gas oil-free Diaphragm Compressor, and Industry using Screw Air Compressor & Portable Piston Air Compressor.
The compressed medium may also include flammable and explosive gas, such as Natural Gas, Coal Gas, coking gas, oxygen gas, Hydrogen gas, as well as special gas which are toxic gas and corrosive gas, radioactive gas. CHINAMFG has taken a series of technical measures in aspects such as structure material, explosion prevention, auto-control and protection to guarantee safety and reliability.
The products are stable, reliable, and have already been in series and modularized.CHINAMFG can aslo rapidly provide products of other specifications through modular combination design CHINAMFG users’ requirements.

Q1: What’s your delivery time?
A: Generally CHINAMFG with 20-30 days, Reciprocating compressor & diaphragm high pressure gas comrpessor with 12-20weeks to customize producing.

Q2: How long is your air compressor warranty?
A: Usually 1 year /12 Months for whole compressor machine, 2years/24months for air end (except maintenance spare parts.). And we can provide further warranty if necessary.

Q3: How long could your air compressor be used?
A: Generally, more than 10 years.

Q4: Can you do OEM for us?
A: Yes, of course. We have around 2 decades OEM experience.And also we can do ODM for you.

Q5: What’s payment term?
A: T/T, L/C, D/P, Western Union, Paypal, Credit Card, Trade Assurance and etc. Also we could accept USD, RMB, GBP, Euro and other currency.

Q6: How about your customer service?
A: 24 hours on-line service available. 48hours problem sovled promise.

Q7: How about your after-sales service?
A: 1. Provide customers with intallation and commissioning online instructions.
2. Well-trained engineers available to overseas after-sales service.

Q8. Are you factory?
A4: Absolutely! You have touched the primary sources of Air Gas Compressor. We are factory.

How to contact with us?
Send your Inquiry Details in the Below, or Click “Back to Home” to check more other Gas Compressor machine equipment!  


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Type: Pharmaceutical Packaging Machinery
Finished Dosage Form: Tablet
Precision: High Precision
Certification: CE
Voltage: 380V
Computerized: Computerized
US$ 5280/Piece
1 Piece(Min.Order)

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air compressor

Can Gas Air Compressors Be Used in Construction Projects?

Gas air compressors are widely used in construction projects due to their portability, versatility, and ability to provide the necessary compressed air for various applications. They are an essential tool in the construction industry, enabling the efficient and effective operation of pneumatic tools and equipment. Here’s a detailed explanation of how gas air compressors are used in construction projects:

1. Powering Pneumatic Tools:

Gas air compressors are commonly used to power a wide range of pneumatic tools on construction sites. These tools include jackhammers, nail guns, impact wrenches, concrete breakers, air drills, sanders, grinders, and paint sprayers. The compressed air generated by the gas air compressor provides the necessary force and power for efficient operation of these tools, enabling tasks such as concrete demolition, fastening, surface preparation, and finishing.

2. Air Blow and Cleaning Operations:

In construction projects, there is often a need to clean debris, dust, and dirt from work areas, equipment, and surfaces. Gas air compressors are used to generate high-pressure air for air blow and cleaning operations. This helps maintain cleanliness, remove loose materials, and prepare surfaces for further work, such as painting or coating.

3. Operating Pneumatic Systems:

Gas air compressors are employed to operate various pneumatic systems in construction projects. These systems include pneumatic control devices, pneumatic cylinders, and pneumatic actuators. Compressed air from the gas air compressor is used to control the movement of equipment, such as gates, doors, and barriers, as well as to operate pneumatic lifts, hoists, and other lifting mechanisms.

4. Concrete Spraying and Shotcreting:

Gas air compressors are utilized in concrete spraying and shotcreting applications. Compressed air is used to propel the concrete mixture through a nozzle at high velocity, ensuring proper adhesion and distribution on surfaces. This technique is commonly employed in applications such as tunnel construction, slope stabilization, and repair of concrete structures.

5. Sandblasting and Surface Preparation:

In construction projects that require surface preparation, such as removing old paint, rust, or coatings, gas air compressors are often used in conjunction with sandblasting equipment. Compressed air powers the sandblasting process, propelling abrasive materials such as sand or grit onto the surface to achieve effective cleaning and preparation before applying new coatings or finishes.

6. Tire Inflation and Equipment Maintenance:

Gas air compressors are utilized for tire inflation and equipment maintenance on construction sites. They provide compressed air for inflating and maintaining proper tire pressure in construction vehicles and equipment. Additionally, gas air compressors are used for general equipment maintenance, such as cleaning, lubrication, and powering pneumatic tools for repair and maintenance tasks.

7. Portable and Remote Operations:

Gas air compressors are particularly beneficial in construction projects where electricity may not be readily available or feasible. Portable gas air compressors provide the flexibility to operate in remote locations, allowing construction crews to utilize pneumatic tools and equipment without relying on a fixed power source.

Gas air compressors are an integral part of construction projects, facilitating a wide range of tasks and enhancing productivity. Their ability to power pneumatic tools, operate pneumatic systems, and provide compressed air for various applications makes them essential equipment in the construction industry.

air compressor

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.

air compressor

What Industries Commonly Use Gas Air Compressors?

Gas air compressors find applications in various industries where compressed air is required for powering tools, equipment, and systems. These compressors are valued for their portability, versatility, and ability to provide high-pressure air. Here’s a detailed explanation of the industries that commonly use gas air compressors:

1. Construction Industry:

The construction industry extensively utilizes gas air compressors for a wide range of tasks. Compressed air is used to power pneumatic tools such as jackhammers, nail guns, impact wrenches, and concrete breakers. Gas air compressors provide the necessary airflow and pressure to operate these tools efficiently, making them ideal for construction sites.

2. Mining Industry:

In the mining industry, gas air compressors play a vital role in various operations. Compressed air is used to power pneumatic tools for drilling, rock blasting, and excavation. It is also employed in ventilation systems, conveying systems, and pneumatic control devices in mines. Gas air compressors are valued for their durability and ability to operate in rugged and remote mining environments.

3. Oil and Gas Industry:

The oil and gas industry relies on gas air compressors for numerous applications. They are used for well drilling operations, powering pneumatic tools, and maintaining pressure in oil and gas pipelines. Gas air compressors are also utilized in natural gas processing plants, refineries, and petrochemical facilities for various pneumatic processes and equipment.

4. Manufacturing and Industrial Sector:

In the manufacturing and industrial sector, gas air compressors are extensively used in different applications. They provide compressed air for pneumatic tools, such as air-powered drills, sanders, grinders, and spray guns. Compressed air is also used in manufacturing processes such as material handling, assembly line operations, and pneumatic control systems.

5. Automotive Industry:

The automotive industry utilizes gas air compressors for a variety of tasks. Compressed air is employed in automotive assembly plants for pneumatic tools, paint spraying booths, and pneumatic control systems. Gas air compressors are also used in auto repair shops for powering air tools, tire inflation, and operating pneumatic lifts.

6. Agriculture and Farming:

Gas air compressors have applications in the agriculture and farming sector. They are used for tasks such as powering pneumatic tools for crop irrigation, operating pneumatic seeders or planters, and providing compressed air for farm maintenance and repair work. Portable gas air compressors are particularly useful in agricultural settings where electricity may not be readily available.

7. Food and Beverage Industry:

In the food and beverage industry, gas air compressors are employed for various pneumatic processes and equipment. They are used in food packaging operations, pneumatic conveying systems for ingredients and finished products, and air-powered mixing and blending processes. Gas air compressors in this industry are designed to meet strict hygiene and safety standards.

8. Pharmaceutical and Healthcare Sector:

The pharmaceutical and healthcare sector utilizes gas air compressors for critical applications. Compressed air is used in medical devices, dental equipment, laboratory instruments, and pharmaceutical manufacturing processes. Gas air compressors in this industry must adhere to stringent quality standards and maintain air purity.

These are just a few examples of the industries that commonly use gas air compressors. Other sectors, such as power generation, aerospace, marine, and chemical industries, also rely on gas air compressors for specific applications. The versatility and reliability of gas air compressors make them indispensable in numerous industries where compressed air is a vital resource.

China wholesaler Medical Hospital Psa Oxygen Cylinder Filling Station 2.2kw 240 L/Min Oil Free Scroll Air Compressor   small air compressor China wholesaler Medical Hospital Psa Oxygen Cylinder Filling Station 2.2kw 240 L/Min Oil Free Scroll Air Compressor   small air compressor
editor by CX 2024-05-17