Diaphragm Gas Pump
N 922 ST Ex
Metric
Imperial
Metric
Imperial
Diaphragm Gas Pump

N 922 ST Ex

  • Flow Rate (max.): 23 l/min
  • Pressure (max.): 2.5 bar (rel.)
  • Vacuum (max.): 110 mbar (abs.)
Datasheet
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Contact UsFrequent Questions

KNF diaphragm gas pumps transfer or compress gases and vapors and generate a vacuum without contaminating the media. Different options are available for application-specific requirements related to size, motor type, control, voltage, chemical resistance, safety, vibration, noise, and temperature resistance. All pump types offer oil-free operation.

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Contact UsFrequent Questions
Benefits
  • Excellent reliability
  • Contamination free transfer
  • Adjustable performance
  • Maintenance-free
  • Low sound level
  • High performance-to-size ratio
Special Features
  • Diaphragm pump
  • High IP class (>44)
  • Ex-proof
Flow Rate (max.)23 l/min
Pressure (max.)2.5 bar (rel.)
Ultimate Vacuum (max.)110 mbar (abs.)
Valve Material OptionsStainless steel
Diaphragm Material OptionsPTFE coated
Pump Head Material OptionsStainless steel
Motor Type OptionsAC
  • Analytical instruments
  • Chemical industry
  • Gas analytics
  • Emission monitoring
  • Climate technology
N 922 ST Ex
Datasheet N 922 ST Ex

PDF (909 KB) - Datasheet - English

Flow Rate (max.)23 l/min
Pressure (max.)2.5 bar (rel.)
Ultimate Vacuum (max.)110 mbar (abs.)
Valve Material OptionsStainless steel
Diaphragm Material OptionsPTFE coated
Pump Head Material OptionsStainless steel
Motor Type OptionsAC
Benefits
  • Excellent reliability
  • Contamination free transfer
  • Adjustable performance
  • Maintenance-free
  • Low sound level
  • High performance-to-size ratio
Special Features
  • Diaphragm pump
  • High IP class (>44)
  • Ex-proof
  • Analytical instruments
  • Chemical industry
  • Gas analytics
  • Emission monitoring
  • Climate technology
Datasheet N 922 ST Ex

PDF (909 KB) - Datasheet - English