China Hot selling Diesel Engine Portable Screw High Pressure Air Compressor portable air compressor

Product Description

Diesel Engine Portable Screw High Pressure Air Compressor 

Our Diesel engine type portable screw air compressor


    Widely used in mining, water conservancy, transportation, shipbuilding, urban construction, energy, military and other industries, and well received by customers for high efficiency, energy saving, safe and stable, in line with the requirements of environmental protection equipment.
Products include diesel driven type CHINAMFG machine, motor driven type CHINAMFG machine, power range of 33-348KW, exhaust air capacity of 35m3/min, exhaust pressure up to 35Bar.


1.  Diesel engine:High efficiency and energy saving, safety, durability, power reserve enough, adopt CHINAMFG brands of Cummings engine. Comply with Euro II emission requirements, and the EU E – mark standard emission certification.

2. Adopt twin rotor/screw air end for compression air.
Have Features of Strong power, Safety and stability, Economical and environmental friendly.

3. Cooling system
Adopt high performance plate fin structure, can use in high temperature environment, can run for a long time at -20-50 extremely cold or hot climates,  and with safety protection cover.

4. Movable system
☆ Adopt adjustable height and rotatable supporting legs, very suitable for outdoor field operation under various working conditions.
☆ Heavy duty machine with 4 wheels, with heavy shock absorption, more flexible.

5. Information safety
Equipped with monitoring system, can monitor machine operation status in any time.
With number of data display, monitoring and alarm stop function.

6. Advanced waterproof and dust proof function
Machine control, each access door and the unit group of vertical plate, all adopt rainproof and dustproof design, prevent the entry of rain or dust, greatly improve the protection level.

7. Adopt scientific technology to achieve sound absorption and shock absorption, can operation under low noise.
8. Can meet the application of altitude above 4500m,  temperature of as high as 55 degrees C, and extreme environment of 55% oxygen content.

9. Easy maintenance.

Technical parameter of Movable screw air compressor ( driven by diesel engine):

Model Air displacemen (m3/min) Exhause pressure (Mpa) Power (Kw) Outlet pipe size Dimensions (mm) Weight (Kg)
LGCY-6/13F 6 1.3 70 2-G1 1-G2 2640*1550*1960 1700
LGCY-7/10F 7 1 70 2-G1 1-G2 2640*1550*1960 1700
LGCY-8/8F 8 0.8 70 2-G1 1-G2 2640*1550*1960 1700
LGCY-11/13F 11 1.3 118 2-G1 1-G2 2640*1550*1960 2300
LGCY-12.3/10F 12.3 1 118 2-G1 1-G2 2640*1550*1960 2300
LGCY-13/8F 13 0.8 118 2-G1 1-G2 2640*1550*1960 2300
LGCY-13/13F 13 1.3 132 2-G1 1-G2 3500*2000*2040 2500
LGCY-14/12F 14 1.2 132 2-G1 1-G2 3500*2000*2040 2500
LGCY-17/8F 17 0.8 132 2-G1 1-G2 3500*2000*2040 2500
LGCY-20/7F 20 0.7 145 2-G1 1-G2 3500*2000*2040 4400
LGCY-20/15F 20 1.5 264 2-G1 1-G2 4300*2100*2700 4400
LGCY-26/20F 26 2 288 2-G1 1-G2 4300*2100*2700 4400
LGCY-21/13F 21 1.3 250 2-G1 1-G2 4300*2100*2700 4400
LGCY-25/10F 25 1 250 2-G1 1-G2 4300*2100*2700 4400
LGCY-18/17F 18 1.7 250 2-G1 1-G2 4300*2100*2700 4400
LGCY-25/20F 25 2 264 2-G1 1-G2 4300*2100*2700 5500


Technical parameter of Movable screw air compressor ( driven by electric motor):

Model Air displacemen (m3/min) Exhause pressure (Mpa) Power (Kw) Outlet pipe size Dimensions (mm)
LGDY 37 6.3/5.6/4.8 0.8/1.0/1.3 37 2-G1 1-G2 2210*1900*1420
LGDY 45 7.5/6.8/5.8 0.8/1.0/1.3 45 2-G1 1-G2 2850*1520*1500
LGDY 55 9.8/8.8/7.2 0.8/1.0/1.3 55 2-G1 1-G2 2500*1905*1840
LGDY 75 12.3/11.0/9.0 0.8/1.0/1.3 75 2-G1 1-G2 2500*1905*1840
LGDY 90 15.6/14.2/11.5 0.8/1.0/1.3 90 2-G1 1-G2 2640*1550*1860
LGDY 110 20.0/17.5/14.5 0.8/1.0/1.3 110 2-G1 1-G2 3550*1740*2100
LGDY 132 23/21/18.1 0.8/1.0/1.3 132 2-G1 1-G2 3550*1740*2100
LGDY 160 27.1/25.2/21.2 0.8/1.0/1.3 160 2-G1 1-G2 3870*1820*2200
LGDY 200 33.3/30.6/26.3 0.8/1.0/1.3 200 2-G1 1-G2 4100*2050*2300

Our factory and workshop


After sales service:
1. Providing professional air compression program designing for free.
2. Providing our factory original machine parts at lowest price after machine sales.
3. Providing training and guidance for free, customers can send their staff to our factory to learn how to operate the machines.
4. Warranty period: the screw main machine is 1 year, the bearing is 1 year, the wear parts of air intake valve, electric components, electromagnetic valve, rate valve are 6 months
5. The air filter, oil filter, oil-water separator, lubricating oil, rubber parts and etc. are not included in warranty range.

Certification and patents of our air compressor


Q1: Are you factory or trade company?  
A1: We are factory.
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: How long will you take to arrange production? 
A4: 380V 50HZ we can delivery the goods within 20 days. Other electricity or other color we will delivery within 30 days.
Q5: Can you accept OEM orders? 
A5: Yes, with professional design team, OEM orders are highly welcome!

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Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Position: Vertical
Structure Type: Closed Type
Installation Type: Stationary Type
Type: Twin-Screw Compressor


air compressor

How are air compressors employed in the petrochemical industry?

Air compressors play a vital role in the petrochemical industry, where they are employed for various applications that require compressed air. The petrochemical industry encompasses the production of chemicals and products derived from petroleum and natural gas. Here’s an overview of how air compressors are utilized in the petrochemical industry:

1. Instrumentation and Control Systems:

Air compressors are used to power pneumatic instrumentation and control systems in petrochemical plants. These systems rely on compressed air to operate control valves, actuators, and other pneumatic devices that regulate processes such as flow control, pressure control, and temperature control. Compressed air provides a reliable and clean source of energy for these critical control mechanisms.

2. Pneumatic Tools and Equipment:

Petrochemical plants often utilize pneumatic tools and equipment for various tasks such as maintenance, repair, and construction activities. Air compressors supply the necessary compressed air to power these tools, including pneumatic drills, impact wrenches, grinders, sanders, and painting equipment. The versatility and convenience of compressed air make it an ideal energy source for a wide range of pneumatic tools used in the industry.

3. Process Air and Gas Supply:

Petrochemical processes often require a supply of compressed air and gases for specific applications. Air compressors are employed to generate compressed air for processes such as oxidation, combustion, and aeration. They may also be used to compress gases like nitrogen, hydrogen, and oxygen, which are utilized in various petrochemical reactions and treatment processes.

4. Cooling and Ventilation:

Petrochemical plants require adequate cooling and ventilation systems to maintain optimal operating conditions and ensure the safety of personnel. Air compressors are used to power cooling fans, blowers, and air circulation systems that help maintain the desired temperature, remove heat generated by equipment, and provide ventilation in critical areas.

5. Nitrogen Generation:

Nitrogen is widely used in the petrochemical industry for applications such as blanketing, purging, and inerting. Air compressors are utilized in nitrogen generation systems, where they compress atmospheric air, which is then passed through a nitrogen separation process to produce high-purity nitrogen gas. This nitrogen is used for various purposes, including preventing the formation of explosive mixtures, protecting sensitive equipment, and maintaining the integrity of stored products.

6. Instrument Air:

Instrument air is essential for operating pneumatic instruments, analyzers, and control devices throughout the petrochemical plant. Air compressors supply compressed air that is treated and conditioned to meet the stringent requirements of instrument air quality standards. Instrument air is used for tasks such as pneumatic conveying, pneumatic actuators, and calibration of instruments.

By employing air compressors in the petrochemical industry, operators can ensure reliable and efficient operation of pneumatic systems, power various tools and equipment, support critical processes, and maintain safe and controlled environments.

air compressor

Can air compressors be used for medical and dental applications?

Yes, air compressors can be used for various medical and dental applications. Compressed air is a reliable and versatile utility in healthcare settings, providing power for numerous devices and procedures. Here are some common applications of air compressors in medical and dental fields:

1. Dental Tools:

Air compressors power a wide range of dental tools and equipment, such as dental handpieces, air syringes, air scalers, and air abrasion devices. These tools rely on compressed air to generate the necessary force and airflow for effective dental procedures.

2. Medical Devices:

Compressed air is used in various medical devices and equipment. For example, ventilators and anesthesia machines utilize compressed air to deliver oxygen and other gases to patients. Nebulizers, used for respiratory treatments, also rely on compressed air to convert liquid medications into a fine mist for inhalation.

3. Laboratory Applications:

Air compressors are used in medical and dental laboratories for various purposes. They power laboratory instruments, such as air-driven centrifuges and sample preparation equipment. Compressed air is also used for pneumatic controls and automation systems in lab equipment.

4. Surgical Tools:

In surgical settings, compressed air is employed to power specialized surgical tools. High-speed air-driven surgical drills, saws, and bone-cutting instruments are commonly used in orthopedic and maxillofacial procedures. Compressed air ensures precise control and efficiency during surgical interventions.

5. Sterilization and Autoclaves:

Compressed air is essential for operating sterilization equipment and autoclaves. Autoclaves use steam generated by compressed air to sterilize medical instruments, equipment, and supplies. The pressurized steam provides effective disinfection and ensures compliance with rigorous hygiene standards.

6. Dental Air Compressors:

Specialized dental air compressors are designed specifically for dental applications. These compressors have features such as moisture separators, filters, and noise reduction mechanisms to meet the specific requirements of dental practices.

7. Air Quality Standards:

In medical and dental applications, maintaining air quality is crucial. Compressed air used in healthcare settings must meet specific purity standards. This often requires the use of air treatment systems, such as filters, dryers, and condensate management, to ensure the removal of contaminants and moisture.

8. Compliance and Regulations:

Medical and dental facilities must comply with applicable regulations and guidelines regarding the use of compressed air. These regulations may include requirements for air quality, maintenance and testing procedures, and documentation of system performance.

It is important to note that medical and dental applications have specific requirements and standards. Therefore, it is essential to choose air compressors and associated equipment that meet the necessary specifications and comply with industry regulations.

air compressor

What are the different types of air compressors?

There are several different types of air compressors, each with its own unique design and operating principle. Here’s an overview of the most commonly used types:

1. Reciprocating Air Compressors: Reciprocating air compressors, also known as piston compressors, use one or more pistons driven by a crankshaft to compress air. They operate by drawing air into a cylinder, compressing it with the piston’s up-and-down motion, and discharging the compressed air into a storage tank. Reciprocating compressors are known for their high pressure capabilities and are commonly used in industrial applications.

2. Rotary Screw Air Compressors: Rotary screw air compressors utilize two interlocking screws 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. These compressors are known for their continuous duty cycle, high efficiency, and quiet operation. They are widely used in industrial, commercial, and automotive applications.

3. Centrifugal Air Compressors: Centrifugal air compressors rely on the principle of centrifugal force to compress air. They use a high-speed impeller to accelerate the incoming air and then convert the kinetic energy into pressure energy. Centrifugal compressors are commonly used in large-scale industrial applications that require high volumes of compressed air.

4. Rotary Vane Air Compressors: Rotary vane air compressors employ a rotor with sliding vanes that compress the air. As the rotor rotates, the vanes slide in and out of the rotor, creating compression chambers. Air is drawn in, trapped, and compressed as the vanes move. These compressors are compact, reliable, and suitable for small to medium-sized applications.

5. Axial Flow Air Compressors: Axial flow air compressors are primarily used in specialized applications such as aircraft engines and gas turbines. They utilize a series of rotating and stationary blades to compress air in a continuous flow. Axial flow compressors are known for their high flow rates and are designed for applications that require large volumes of compressed air.

6. Scroll Air Compressors: Scroll air compressors consist of two interlocking spirals or scrolls that compress the air. One spiral remains stationary while the other orbits around it, creating a series of expanding and contracting pockets that compress the air. Scroll compressors are compact, reliable, and commonly used in applications where low noise and oil-free air are required, such as medical and dental equipment.

These are just a few examples of the different types of air compressors available. Each type has its own advantages, capabilities, and ideal applications. The choice of air compressor depends on factors such as required pressure, flow rate, duty cycle, noise level, oil-free operation, and specific application requirements.

China Hot selling Diesel Engine Portable Screw High Pressure Air Compressor   portable air compressorChina Hot selling Diesel Engine Portable Screw High Pressure Air Compressor   portable air compressor
editor by CX 2024-02-07