PM VSD Oil-Free Screw Blower

The PM VSD oil-free screw blower uses internal compression in a screw rotor pair, which is more efficient and uses less energy than a traditional Roots blower. No oil enters the rotor chamber, so the delivered air is clean and oil-free. With a permanent magnet variable speed drive and remote monitoring it is built for continuous duty, such as wastewater aeration and pneumatic conveying.

Product Features

Over 60% energy saving
Internal compression raises air end performance by more than 30%; overall efficiency improves by about 60% versus a traditional Roots blower.

Oil-free and clean
The rotor chamber runs without oil, so the air is free of oil contamination and suitable for sensitive processes.

Lower discharge temperature
Outlet temperature is about 20% lower than comparable machines, which improves stability and service life.

Low pulsation, low noise
Screw compression gives low pulsation, lower noise and a higher standard flow rate.

24/7 continuous operation
High stability supports round-the-clock operation for continuous processes.

Remote monitoring
Remote operation and online monitoring keep running status visible and maintenance simple.

Technical Specifications

The RH-PM-BL series is configured to your pressure, flow rate and site conditions, with optional acoustic enclosure, VSD control and remote monitoring. Final data is subject to the technical agreement.

Applications

Wastewater aeration, pneumatic and powder conveying, chemical, food and pharmaceutical, textile, power generation and cement — anywhere a continuous, clean, low-pressure air supply is needed.

Recommended Configuration

Choose the model by air flow, pressure, medium and ambient temperature, matched with intake filters, silencers, check valve, bypass valve and remote monitoring.

RuiWo Service

RuiWo helps select the right oil-free screw blower and system layout for your air flow, pressure, medium and duty cycle, reducing energy use in aeration and conveying.