OverviewAn air compressor converts electric or diesel engine power into pressurized air to operate pneumatic tools and production equipment. Selecting the correct unit requires distinguishing nominal working pressure (MPa) from air flow (mΒ³/min) and choosing the appropriate power source and mobility configuration for the application.
Applications- Mining and Drilling Equipment: Drives pneumatic rock drills; typical nominal pressures 0.7β1.5 MPa for heavy drilling.
- Surface Cleaning Machinery: Supplies steady flow for sandblasting and surface-prep machines to ensure consistent cleaning.
- Packaging and Light Industry: Powers pneumatic cylinders and blow-off systems on lines such as paper cup and egg tray machines; air quality (moisture and oil control) is critical.
Diesel Screw Portable Air Compressor Parameters- 40YGY β 0.6 MPa β 4.2 mΒ³/min β β€6 ppm β 37(50) HP β 860 kg β 2400Γ1330Γ1480 mm
- 58YGY-8 two wheels β 0.8 MPa β 7 mΒ³/min β β€6 ppm β 58(80) HP β 1550 kg β 3140Γ1740Γ1900 mm
- 110YGY-8 four wheels β 0.8 MPa β 12 mΒ³/min β β€6 ppm β 110(150) HP β 2180 kg β 3120Γ1630Γ2290 mm
- 110YGY-10 two wheels β 1.0 MPa β 12 mΒ³/min β β€6 ppm β 110(150) HP β 2130 kg β 2890Γ2020Γ2270 mm
- 110YGY-10 four wheels β 1.0 MPa β 12 mΒ³/min β β€6 ppm β 110(150) HP β 2180 kg β 3120Γ1630Γ2290 mm
- 110SYGY-14.5 two wheels β 1.45 MPa β 10 mΒ³/min β β€6 ppm β 110(150) HP β 2130 kg β 2890Γ2020Γ2270 mm
- 110YGY-14.5 four wheels β 1.45 MPa β 10 mΒ³/min β β€6 ppm β 110(150) HP β 2180 kg β 3120Γ1630Γ2290 mm
- 138YGY-14.5 two wheels β 1.45 MPa β 13 mΒ³/min β β€6 ppm β 140(180) HP β 2384 kg β 3350Γ2060Γ2350 mm
- 139YGY-13 four wheels β 1.3 MPa β 15 mΒ³/min β β€6 ppm β 140(180) HP β 2580 kg β 3650Γ1700Γ2040 mm
- 141YGY-13 four wheels β 1.3 MPa β 15.5 mΒ³/min β β€6 ppm β 140(180) HP β 2510 kg β 3650Γ1700Γ2040 mm
- 180YGY-8 four wheels β 0.8 MPa β 20 mΒ³/min β β€6 ppm β 179(240) HP β 3428 kg β 3720Γ1970Γ2250 mm
Diesel-Driven Portable Screw Air Compressor (High-Pressure Series) Parameters- 168YGY-17 four wheels β 1.7 MPa β 16 mΒ³/min β β€6 ppm β 162(220) HP β 2550 kg β 3620Γ1950Γ2200 mm
- 177YGY-17 four wheels β 1.7 MPa β 16 mΒ³/min β β€6 ppm β 177(240) HP β 3760 kg β 3720Γ1970Γ2250 mm
- 181YGY-17 two wheels β 1.8 MPa β 17 mΒ³/min β β€6 ppm β 181(260) HP β 3650 kg β 3600Γ1870Γ2660 mm
- 186YGY-18 four wheels β 1.8 MPa β 18 mΒ³/min β β€6 ppm β 191(260) HP β 3760 kg β 3600Γ1870Γ2660 mm
- 198YGY-18 four wheels β 1.8 MPa β 18 mΒ³/min β β€6 ppm β 191(260) HP β 3900 kg β 3720Γ1970Γ2550 mm
- 250YGY-18 four wheels β 1.8 MPa β 23 mΒ³/min β β€6 ppm β 295(400) HP β 4800 kg β 3810Γ2000Γ2900 mm
- 228YGY-21 β 2.1 MPa (Two-Stage Compression) β 20 mΒ³/min β β€6 ppm β 221(300) HP β 4060 kg β 3600Γ1870Γ2550 mm
- 300YGY-24 β 2.4 MPa (Two-Stage Compression) β 30 mΒ³/min β β€6 ppm β 309(420) HP β 4910 kg β 4150Γ1950Γ2900 mm
Electric Screw Air Compressors Parameters- YGDY13.6-8 β 0.8 MPa β 13.6 mΒ³/min β β€5 ppm β 75 kW β 1956 kg β 2280Γ1656Γ1970 mm
- YGDY12-10 β 1.0 MPa β 12 mΒ³/min β β€5 ppm β 75 kW β 1832 kg β 2880Γ1656Γ1970 mm
- YGDY12-13 β 1.3 MPa β 12 mΒ³/min β β€5 ppm β 90 kW β 2273 kg β 2280Γ1656Γ1970 mm
- YGDY16-13 β 1.3 MPa β 16 mΒ³/min β β€5 ppm β 132 kW β 3175 kg β 3340Γ1640Γ2270 mm
- YGDY21-13 β 1.3 MPa β 21 mΒ³/min β β€5 ppm β 185 kW β 3395 kg β 3340Γ1640Γ2270 mm
Compressor Types: Screw vs. Piston- Rotary screw compressors: Designed for continuous heavy-duty industrial operation; lower noise and reduced maintenance for 24/7 use.
- Piston compressors: Suitable for intermittent, light-duty tasks; lower initial cost but higher wear under continuous use.
Diesel vs. Electric: Power and Mobility- Diesel portable units: Field operation away from grid power; wheel-mounted mobility for mining and road construction; higher initial cost due to engine, fuel tank and cooling systems.
- Electric units: Best for indoor factory floors and stationary skid-mounted installations with stable grid supply.
Real Field Case- Context: Diesel portable screw compressor delivering 12 mΒ³/min at 1.2 MPa for outdoor mining.
- Higher output: Three rock drills operated simultaneously, increasing drilling speed by ~35%.
- Lower fuel costs: Engine control improvements reduced fuel consumption by ~15%.
- Reliability: Continuous operation for months with no breakdowns, reducing maintenance downtime.
Buyer FAQ (selected)- What details must I give the supplier? Specify power source (diesel or electric), mobility (wheels or fixed skid), required pressure (MPa) and air flow (mΒ³/min).
- Why does a diesel-driven compressor cost more than electric? Diesel units include engine, fuel tank and cooling systems, increasing manufacturing complexity and cost.
- What issue occurs when pairing compressors with paper cup machines? Moisture and oil carryover can damage pneumatic components and spoil wet paper pulp; use drying and filtration.
Specifications- Nominal pressure range: commonly 0.6 MPa up to 2.4 MPa (single-stage and two-stage high-pressure models available).
- Free Air Delivery (F.A.D.) range: approximately 4.2 mΒ³/min up to 30 mΒ³/min across listed models.
- Oil carryover: diesel models β€6 ppm; electric screw models β€5 ppm.
- Power options: diesel engine examples ~37(50) HP up to ~309(420) HP; electric motor powers from 75 kW up to 185 kW.
- Mobility/configurations: two-wheel and four-wheel portable units, and skid-mounted stationary electric units.
- Weights & dimensions: example weights ~860 kg up to ~4910 kg; unit dimensions vary by model as listed.
- Common use cases: rock drilling, sandblasting/surface cleaning, pneumatic production lines (packaging, paper product machines).