China high quality Cheaper Price Sf4.0-5 18.5kw/25HP Diesel Portable Piston Mining Air Compressor for Sale supplier

Product Description

Diesel portable piston mining air compressor with a jackhammer rock drill

Diesel reciprocating mining piston air compressor Double Air Tank Diesel Portable Best-Selling Engine Oil Piston Air Compressors are mainly used to supply stable and clean compressed air to pneumatic tools and keep them working smoothly and efficiently.

Product Description

1. Valve plate and spring strip: made of special steel from Sweden and after special treatment;  highly efficient and reliable
2.Piston ring:special design;integral casting;excellent flexibility;lowest lubricating oil consumption
3. Cylinder: made of boron cast iron; wear-resistant; especially suitable for dusty condition
4. Cylinder cover: extrusion process adopted; streamlined external appearance; good heat emission performance
5. Simple structure lightweight easy to move
6. Energy saving Low cost
7. Easy operating and maintenance

1. High pressure, high efficiency, and high reliability
The cylinder head and the fan with independent patent technology are used to separate the intake chamber from the exhaust chamber, avoiding the high temperature of the exhaust chamber to the intake chamber, and the arc-shaped cooling fan is provided, and the hot part is effectively cooled by the strong wind to reduce the discharge. Gas temperature, especially in hot summer, avoiding high temperature pulling cylinder; increasing exhaust pressure, greatly improving the working efficiency and reliability of wind power.
2. Low fuel consumption and long life service
Designed with 4 piston rings, it adopts a “snap-and-loop” buckle structure, which automatically compensates for the opening after wear. The seal is good and the lubricating oil is low, which greatly prolongs the service life of the air compressor.
3. High efficiency and low using cost
The optimized design of the intake and exhaust valve structure, coupled with the patented cylinder head and fan, effectively reduces the intake and exhaust resistance and exhaust temperature, improves exhaust pressure and operating efficiency, and reduces operating costs.
4. Stable and reliable operation
Large-size bearings are used to increase the diameter of the crankshaft. The moving parts are optimized. The air compressor has good self-balancing, low vibration, and low noise. The thickened and enhanced gas storage tank has high strength, rigidity, long life, and stable and reliable operation.
5. Good adaptable
A complete range of products can be equipped with diesel or electric motors in a variety of forms and different environments.
6. Beautiful appearance
Using the patented design, the layout of each component is reasonable, compact, and beautiful.
7 .  High-cost performance
Little investment, low maintenance cost, high-cost performance.

Product Parameters


Model Motor power Cylinder qty*mm Rotation speed r/min F A D   m³/min Working pressure Mpa(kg/cm³) Dimension L*W*H mm Weight  KGS
W-1.8/5 S1100*11KW 3*φ100 1200 1.8 0.5(5)) 1500*600*950 300
W-2.8/5 S1100*15KW 3*φ115 1120 2.6 0.5(5) 1670*820*1150 450
W-3.0/5 S1115*18.5KW 3*φ120 1070 3 0.5(5) 1880*870*1230 460
W-3.2/7 S1125*18.5KW 3*φ125 800 3.7 0.7(7) 1910*800*1620 460
W-3.5/5 S1125*18.5KW 3*φ125 1170 3.5 0.5(5) 1880*870*1240 460
SF4.0/5 S1125*18.5KW 4*φ120 1070 4.0 0.5(5) 1960*860*1300 655
2V-3.5/5 S1125*18.5KW 4*φ115 980 3.5 0.5(5) 1800*950*1300 650
2V-4.0/5 S1125*18.5KW 4*φ120 980 4.0 0.5(5) 1800*950*1300 750


Diesel portable piston mining air compressor Widely used in mining, water conservancy, geology, construction, building materials, transportation, textile, machinery, automobile manufacturing, and repair industries, which need compressed air-powered in various places; it is a new generation of efficient, energy-saving air compressor; especially in the mine drilling projects, can drive pneumatic tools such as pneumatic rock drills and pneumatic hammers to improve efficiency.

Detailed Photos

Cylinder: made of boron cast iron; wear insistent; especially suitable for dusty conditions, the dustproof grade is IP54.Cylinder cover: extrusion process adopted; streamlined external appearance; good heat emission performance.

Air tank: Small in size, light in weight, easy to move, Excellent air supply ability.Durable wheel: long service life, popular design.


Diesel engine has the advantages of low fuel consumption, high reliability, long life, large torque, good maneuverability, flexibility and convenience.


Piston ring: Special design, integral casting; excellent flexibility, lowest lubricating oil consumption.




Customer Feedback


Company Profile


1.How do your prices compare to the manufacturer/factory?

  We are the main distributor of major construction machinery manufacturers/factories in China and keep getting the best dealer prices. From the comparison and feedback from many customers, our price is even more competitive than the factory/factory price.

2.How is the delivery time?

  In general, we can deliver ordinary machines immediately to our customers within 7 days, as we have various resources to inspect stock machines, locally and nationwide, and receive machines in a timely manner. But it takes more than 30 days for a manufacturer/factory to produce an order machine.

3.How often can you respond to customer inquiries?

  Our team is made up of a group of hardworking and dynamic people who work around the clock to respond to customer inquiries and questions. Most issues can be successfully resolved within 8 hours, while manufacturers/factories take longer to respond.

4.Which payment methods can you accept?

 Usually we can use wire transfer or letter of credit, and sometimes DP. (1) Wire transfer, 30% deposit in advance, 70% balance paid before shipment, long-term cooperation customers can present a copy of the original bill of lading. (2) Letter of credit, 100% irrevocable letter of credit without “soft   terms” from internationally recognized banks can be accepted. Please seek advice from the sales manager you work with.

5.Which clauses in the Incoterms 2571 can you use?

  We are a professional and mature international player and can handle all INCOTERMS 2571, we usually work on regular terms like FOB, CFR, CIF, CIP, DAP.

6.How long are your prices valid?

  We are a gentle and friendly supplier, never greedy for profit. Our prices remain largely stable throughout the year. We will only adjust the price according to the following 2 situations: (1) USD exchange rate: According to the international currency exchange rate, the RMB exchange rate is quite different; (2) The manufacturer/factory adjusted the machine price due to the increase of labor cost or raw material cost.

7.What logistics methods can you use for shipping?

We can transport construction machinery with various means of transport. (1) 80% of our shipping will be by the sea, to all major continents such as Africa, South America, Middle East. (2) China’s inland neighboring countries, such as Russia, Mongolia, Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan, etc., can transport by road or rail. (3) For urgently needed light spare parts, we can provide international express services, such as DHL, TNT, UPS, FedEx, etc.

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After-sales Service: Yes
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Cylinder Arrangement: Duplex Arrangement
Cylinder Position: Vertical
US$ 720/Piece
1 Piece(Min.Order)

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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 inflating tires and sporting equipment?

Yes, air compressors can be used for inflating tires and sporting equipment, providing a convenient and efficient method for achieving the desired air pressure. Here’s how air compressors are used for these purposes:

1. Tire Inflation:

Air compressors are commonly used for inflating vehicle tires, including car tires, motorcycle tires, bicycle tires, and even larger truck or trailer tires. Air compressors provide a continuous source of pressurized air, allowing for quick and accurate inflation. They are often used in automotive repair shops, gas stations, and by individuals who regularly need to inflate tires.

2. Sporting Equipment Inflation:

Air compressors are also useful for inflating various types of sporting equipment. This includes inflatable balls such as soccer balls, basketballs, footballs, and volleyballs. Additionally, air compressors can be used to inflate inflatable water toys, air mattresses, inflatable kayaks, and other recreational items that require air for proper inflation.

3. Air Tools for Inflation:

Air compressors can power air tools specifically designed for inflation purposes. These tools, known as inflators or air blow guns, provide controlled airflow for inflating tires and sporting equipment. They often have built-in pressure gauges and nozzles designed to fit different types of valves, making them versatile and suitable for various inflation tasks.

4. Adjustable Pressure:

One advantage of using air compressors for inflation is the ability to adjust the pressure. Most air compressors allow users to set the desired pressure level using a pressure regulator or control knob. This feature ensures that tires and sporting equipment are inflated to the recommended pressure, promoting optimal performance and safety.

5. Efficiency and Speed:

Air compressors provide a faster and more efficient inflation method compared to manual pumps. The continuous supply of compressed air allows for quick inflation, reducing the time and effort required to inflate tires and sporting equipment manually.

6. Portable Air Compressors:

For inflating tires and sporting equipment on the go, portable air compressors are available. These compact and lightweight compressors can be easily carried in vehicles or taken to sports events and outdoor activities, ensuring convenient access to a reliable air supply.

It is important to note that when using air compressors for inflating tires, it is recommended to follow manufacturer guidelines and proper inflation techniques to ensure safety and avoid overinflation.

air compressor

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.

China high quality Cheaper Price Sf4.0-5 18.5kw/25HP Diesel Portable Piston Mining Air Compressor for Sale   supplier China high quality Cheaper Price Sf4.0-5 18.5kw/25HP Diesel Portable Piston Mining Air Compressor for Sale   supplier
editor by CX 2024-01-18