Low Pressure Permanent Magnetic VSD Screw Air Compressor LBPM Series 

Working Power: 37~185 KW (49.6~248.1 HP)
Free Air Delivery: 12~47.5 m³/min (423~1677 cfm)
Working Pressure: 1.5~5 bar (21.7~72.5 psig)


   Low pressure air end

High efficiency air end profile, specially designed for low pressure application, like textile, cement, glass industry, etc.

Big air end with 1500 RPM help get better performance, and extended life.

   High efficiency PM motor with VSD technology.

Atrotech low pressure compressor with VSD drive and PM motor, help energy saving and reduce life cycle cost.

   Heavy Duty Air Filter:

Two stage filter element, longer service life, low suction resistance, improved air filtration efficiency. Specially designed for cement, textile, fiber, chemical industry, etc. 

  Oil/Air tank

  • Big capacity oil air tank, no foaming.
  • Easy access to oil/air separator and its replacement.
  • Large air/oil separator element, lower pressure drop, longer life and reduced cost.
  • Double oil separator element for 340HP and larger, better oil separation.
  • Oil content below 3PPM over 4000 hours running period

 Option for cloud service

New air solution program with advanced IOT technology

Anytime, Anywhere

Customers are provided with the possibility to monitor the running condition of their SCR compressors live anytime, anywhere and can be accessed through a cloud service in real time. Alarm notifications help prevent any unplanned downtime.

Reliable Security

VPN (Virtual private network) ensures the same reliable security level as the private network. 

User-friendly Cloud service.



① Premium Efficiency Drive Motor   

Premium efficiency (TEFC) IP54/IP55 motor, class F insulation

Stable operation under harsh conditions 

② Innovative air end

​ ● New improved rotor profile for low pressure application

Quality bearings

Designed for 20 years of reliable operation

③ Inlet filter

● Nano scale, Heavy duty

● Filtration efficiency of up to 99.9%

● Dust particles below 0.3 micron 

● Differential pressure indicator

2,000 hours service intervals

④ Cooling fan

● VSD control

● Compact

● Low noise level

● High capacity for optimized cooling

⑤ Classic cooler design

● Combined oil and after cooler

● Anti corrosion surface coating

● 20% oversized cooler capacity

Separate after cooler (optional)

⑥ Innovative vectorial inverter

● CE/UL Certified 

● Meet EMC C3 and C2 requirements 

● Wide voltage design

● Built-in DC reactor

● Independent cooling air duct design

⑦ Plot® Touch controller

● 7 inch, full color, latest technology display

● Continuous display of working parameters, warnings, faults and protections

Week long dual pressure programming.

●Multi language communication and maintenance schedule.

Computer connection

● Group management operation

⑧ Inlet valve

● Optimized inlet flow of the air end.

● No blow-off losses

● Maintenance free pipe design

● Large suction area, low pressure application 

⑨ Oil filter

● High efficiency oil filter

● Oil particles down to 0.1 micron

● Smooth and well-lubricated oil system

Multiple oil filter combinatio

⑩ Oil gas tank & Built-in separation system

Oversized air and oil tank, improved cyclone effect, enhanced separation process

High efficiency oil separation, low oil carry-over of<3ppm

● System pressure drop < than 0.02 MPa

⑪ Electrical control cabinet 

Siemens electrical components, high reliability. 

⑫ All-steel internal pipe system 

●All steel internal pipe work, no pipe leakage, no ageing

● Less pipe pressure loss 



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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