Dry Oil Free Screw Compressor G series

Working Power: 37~280 KW (50~375 HP)
Free Air Delivery: 2.5~47 m³/min (88.3~1660 cfm)
Working Pressure: 7/8/10 bar (101.5/116/145 psig)



  • 100% oil free compression, Class 0 Certificate.
  • First-grade / rustproof rotors of E35 steel
  • Stainless steel hermetic seal and labyrinth oil seal.
  • Double protection method to guarantee 100% oil-free compressed air.

2 ​  Centrifugal Fan

  • Low noise, environmentally friendly, high air pressure.

   Air inlet system

  • Independent inlet silencer box.
  • Equal air filter inlet and the ambient temperature.
  • Reduced noise level.

   Air inlet system

  • User-friendly 7" touch screen PLC.
  • High temperature and pressure protection, motor overload, phase unbalance plus 13more protections.
  • Intelligent control of running schedule and automatic startup following a power failure and restore.
  • Support Modbus RTU.

  Class 0 certificate

Class 0 oil free certificate from TUV. 



  ① Motor

● Standard TEFC motor specially designed for heavy-duty application.

● IP54 (IP55 option) protection grade ensure the stable running even at dusty environment.

● Reliable and proved on the market for more than 15 years.

② Oil Free Air end

● Germany GHH rand oil free air end, proved on the market more than 50 years.

● Two stage dry compression guarantees 100% oil free air.

● Stainless steel rotor for the second stage compressor ensure no rust even after long-term running.

③ Inlet filter

● Independent inlet sound box ensures equal air filter inlet and the environment temperature.

● Inlet sound box reduces the noise level of compressor.

● High precision air filter ensures good filtration and improves the stable operation of compressor.

④ Centrifugal fans

● New centrifugal fan guarantees proper cooling.

●Uniform air pressure and heat dissipation means better cooling.

⑤ Classic cooler design

● High resistant cooler of 280 deg C

●Anti-corrosion paint.

⑥ Innovative vectorial inverter

​ ● CE, UL, CUL, ROHS certification

● Meet EMC C3 and C2 requirements 

● Independent cooling air duct design

● VSD control is standard for 50HP/60HP, above 60HP are optional.

⑦ SCR9000 Touch Screen PLC

● 7.0 inch full color LCD touch screen

● Real-time Operation/ Maintenance/ Alarm information 

● Operation record/ Chart display

●Weekly timer/Service history and planning

⑧ Inlet valve

● Optimized inlet air flow.

● No blow-off losses / Large suction area

●Full aluminum design: maintenance-free. 

⑨ Water separator

● Efficiently removes water from compressed air, guarantees the dehumidification of compressed air.




Data conforms to ISO 1217 (Pressure 1 bar (a), Temperature 20 deg C, R.H 0%)

Standard voltage is 380V/50HZ/3P, other voltage is available.

The recommended best capacity range is 60%-100%.

Alpine/high altitude, high temperature, high humidity, high dust loads or other adverse working conditions will require specialized custom designs. These are available on special request.

We reserve the right to make changes and improvements to the design and appearance.

Specifications may change without prior notice.


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