Engineered for reliability in demanding workshop environments, our air-cooled piston compressor utilizes high-velocity cooling fans and finned cylinder designs to dissipate heat rapidly, enabling longer run times and consistent performance. Key advantages include:

  • Rapid Heat Dissipation: Air-cooled design prevents overheating during extended use

  • Durable Construction: Heavy-duty cast iron pump and precision-machined components

  • Low Maintenance: Simple design with easily accessible service points

  • Versatile Applications: Perfect for garages, farms, small workshops, and DIY enthusiasts

  • Easy Installation: No water cooling connections required – just plug and play

Product Parameters

Item

2.2KW

4KW

5.5KW

11KW

15KW

Model

2.2KW

4KW

5.5KW

11KW

15KW

Motor(kw/HP)

2.2/3

4/6.5

5.5/7.5

11/15.5

15/18.5

Piston variable displacement(L/min)

300

811

1068

2036

2901

Exhaust volume(L/min)

200

550

670

1500

1800

Exhaust pressure(bar)

8

8

10

12

16

Cylinder(diameter x piece)

652/511

902/511

80*3

100*3

120*3

Stroke(mm)

48

75

60

80

90

Rotate speed of air compressor(rpm)

940

850

1180

1080

950

Volume of gas storage tank(L)

100

250

150

250

500/300

Overall dimension(L×W×H cm)

1114385

16457117

13052108

16563120

18672145/16270132

Packing dimension(L×W×H cm)

1185188

17771120

14264118

14777126

19687149/17273140

Net weight(kg)

140

358

206

385

619/508

Gross weight(kg)

174

410

230

414

684/508

Piston Air-cooled Air Compressor 4KW

Overview
Our industrial piston air-cooled air compressor series is designed for demanding applications where reliability, serviceability, and performance cannot be compromised. Built with oversize components, slow operating speeds, and heavy-duty construction, these compressors provide years of trouble-free service in the most challenging environments.

Compressor Pump – The Heart of the System
The pump assembly represents the culmination of decades of compressor engineering experience. Each unit features:

  • Cast Iron Construction: The cylinder, crankcase, and cylinder head are manufactured from high-grade cast iron, providing exceptional wear resistance, superior heat dissipation, and dimensional stability under load

  • Precision-Machined Components: Cylinder bores are honed to micron-level tolerances for optimal ring sealing and minimal blow-by

  • Oversize Bearings: Main and rod bearings are selected with generous safety factors to handle continuous-duty applications

  • Low RPM Operation: Operating speeds typically 600–900 RPM reduce wear rates and extend service intervals compared to high-speed alternatives

  • Lubrication Systems: Choose splash lubrication for simplicity or pressure lubrication for demanding continuous operation

Advanced Air-Cooling Technology
Unlike water-cooled designs that require external cooling infrastructure, our air-cooled system simplifies installation while maintaining excellent thermal management:

  • Optimized Fin Design: Maximum surface area on cylinders and heads for efficient heat transfer

  • High-Flow Cooling Fan: Directs substantial airflow across all hot components

  • Intercooler (Two-Stage Models): Large-diameter copper or aluminum intercoolers reduce air temperature between stages, improving efficiency and reducing power consumption

  • Thermal Barrier Coatings: Optional ceramic coatings on piston crowns and combustion chambers reduce heat transfer to cooling system

Two-Stage Compression for Higher Efficiency
For applications requiring higher pressures or improved efficiency, two-stage models offer significant advantages:

  • Reduced Compression Ratio Per Stage: Lower cylinder temperatures, improved volumetric efficiency, and reduced power consumption

  • Interstage Cooling: Cooling between stages brings air temperature down, reducing final discharge temperatures

  • Higher Pressures: Achieve pressures up to 15 bar (217 PSI) efficiently

  • Improved Reliability: Lower component temperatures extend valve and ring life

Drive System Options

  • Belt Drive: Quiet operation, flexible speed adjustment, and motor protection through belt slippage

  • Direct Drive: Compact footprint, fewer moving parts, and positive power transmission

Control & Monitoring Systems

  • Industrial Pressure Switches: Heavy-duty contacts rated for millions of cycles

  • Magnetic Starters: Provide motor overload protection and undervoltage protection

  • Hour Meters: Track maintenance intervals accurately

  • Remote Monitoring Capability: Optional PLC integration for facility-wide compressed air management

Typical Industrial Applications

  • Automotive service and repair facilities

  • Small to medium manufacturing operations

  • Construction sites and contractors

  • Agricultural operations and farms

  • Mining support facilities

  • Military and government installations

  • Remote locations where water cooling is impracticalservice in your application.

Quick Quote

Leading Air Compressor Manufacturer & Supplier in China

RUILINHG Air Compressor is one of China’s leading manufacturers of high-performance air compressors. We provide global customers with technologically advanced, environmentally friendly, and reliable products at highly competitive prices, while supporting customization to flexibly meet diverse requirements.

Our products feature a long service life, energy efficiency, and environmental protection. We continuously monitor the latest trends in the air compressor market and consistently update our product designs and core technologies to ensure that the air compressor solutions we provide meet customer needs.

About RUILING Air Compressor

Piston Air-cooled Air Compressor

Advantages

Affordable Acquisition: Significantly lower purchase price compared to rotary screw, centrifugal, or other compressor types. No Special Infrastructure: No need for water lines, cooling towers, or three-phase power in many cases. Minimal Installation Costs: Simple electrical connection and placement – no specialized foundation or plumbing required. Quick Payback: Lower capital investment means faster return on investment for your business.

factory

CONTACT US

Address:

Office: Lanshan District, Linyi City, Shandong Province, China

Best-Selling Products

Our self-manufacturing model endows our air compressors with distinct cost advantages, while our advanced technologies enable our products to stand out in the fierce market competition.

Permanent Magnet Variable Frequency Air Compressor150KW
11KW Industrial Variable Frequency Direct-Drive Mobile
4-IN-1 Industrial Air Compressor
Bipolar Permanent Magnet Variable Frequency Air Compressor 55kw
Oil Free Screw Air Compressor
Screw Air Compressor 55kw
Diesel Mobile Air Compressor 60 gallon
Screw Air Compressor 7.5kw
Scroll to Top
Requset A Qute