Rotary Screw Blowers Up To 250 kW

Energy-efficient, plug-and-play blowers for industrial and wastewater applications.

KAESER’s rotary screw blowers, featuring the proven SIGMA PROFILE, offer efficient, low-maintenance solutions for air demands up to 160 m³/min. Delivered as ready-to-connect systems with IE4/IE5 motors and intelligent control, they are ideal for continuous operation in industries like wastewater treatment, flotation, fluidisation, and fermentation.

• Flow rate: 3 to 160 m³/min

• Motor power range: 7.5 to 250 kW

• Pressure differential: 300 to 1100 mbar

• Control systems: SIGMA CONTROL 2 with Ethernet, Profibus, Modbus, Profinet, and more

• Motors: Ultra and Super Premium Efficiency (IE4/IE5, IES2-class)

• Control options:

  • SFC: SIGMA Frequency Control with variable-speed operation

  • STC: Star-delta constant-speed starters

• Maintenance: Side-by-side installation, front-access service points, long-life bearings