They are compression units for low-pressure gas transport, based on the RBS 3-lobe positive displacement rotary blower series, driven by an electric motor via a special belt drive (GRBS) or direct coupling with or without a reduction gear (CRBS). They are equipped with all the necessary accessories for reliable, safe and quiet operation.

• Vacuum up to 500 mbar(a)
• Performance up to 25,000 m³/h

Input silencer

Broadband resonance chamber without soundproofing material

Drive

It can be supplied with a belt drive with a tensioning device (for motors up to 250 kW), or with a direct drive with a flexible coupling or with a reduction gearbox (for motors up to 500 kW).

Output silencer

Broadband resonance chamber without soundproofing material

Safety valve