gas blower / air / two-stage / single-stage

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gas blower / air / two-stage / single-stage gas blower / air / two-stage / single-stage - GR


  • Type:

    air, gas

  • Number of stages:

    single-stage, two-stage

  • Other characteristics:

    oil-free, direct-drive, positive pressure, belt-drive

  • Applications:

    cooling, process

  • Flow rate:

    Max.: 50,000 m³/h (1,765,733 ft³/h)

    Min.: 100 m³/h (3,531 ft³/h)

  • Operating pressure:

    Max.: 5,000 mbar (72.519 psi)

    Min.: -500 mbar (-7.252 psi)


Versatile blower stage (single and two-stage) for plant engineering for vertical and oil-free conveyance. Direct or belt drive.
Optionally available with liquid injection for gas cooling or purification, as well as with special modifications and materials.
12 sizes available for just about every industrial or mixed gas.
Delta p 1,500 mbar max possible.

• Volume flow: 100 to 50,000 m³/h
• Positive pressure: 5,000 mbar (g)
• Medium: air, oxygen, and neutral, toxic, flammable, explosive, corrosive or mixed gases

The 1 or 2 stage process blowers GR can be used for almost all technical gases and gas mixtures, , which may also be aggressive. In all branches of industry. They are also ideal for gases with negative intake temperatures down to -30 °C.

The conveying chamber sealed by

a) pressure relieved soft packings with purge gas connections,
b) pressure relieved carbon ring - labyrinth seals with purge gas connections,
c) double-acting mechanical seals, oil-purged
d) double-acting mechanical seals, water-purged

Drive shaft by radial seal ring.

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