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HAFI delivers rotary piston blowers for the oil-free conveying and compression of almost all gases of one of the leading manufacturers, the Aerzener Maschinenfabrik.

AERZENER process gas rotary piston blower units - GR/GQ

  • 18 sizes
  • Oil-free compression; dry or with liquid injection
  • Intake volume flow:
    Type GR  100 - 50.000 m/h
    Type GQ  1.500 - 100.000 m/h
  • Pressure difference: up to 800 / 1.500 mbar
    Suction operation up to 450 mbar
  • Incl. all required accessory components
  • Drive direct or via additional gear-box
  • Housing in grey cast iron, cast steel or stainless steel execution
  • Shaft seal at conveying chamber via
    soft packing seals,
    carbon-labyrinth seals (gas- or water-sealed),
    single- or double-acting slide ring sealing (oil- resp. gas-sealed)
  • Driving shaft seal via radial seal ring



Rotary piston blower aggregates and large-scale plants with required accessories conceived according to customer wish

Fields of application

AERZENER rotary piston blowers of type GR/GQ are used for the conveying and compression of almost all gases in the industry, which may also be aggressive:

  • Conveying of process- and cooling gas in direct reduction plants in the steel making industry
  • Conveying of process gas in the soda making industry
  • Conveying of process gas in the chemical and petrochemical industry
  • Suction of methane gas in coal-mines
  • Conveying of bio gas in waste water treatment plants
  • ...

More information

For detailed information request our brochure.

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