Diaphragm Gas Pump
UN 85.3
Metric
Imperial
Metric
Imperial
Diaphragm Gas Pump

UN 85.3

  • Flow Rate (max.): 5 l/min
  • Pressure (max.): 0.3 bar (rel.)
  • Vacuum (max.): 25 mbar (abs.)
Datasheet
Operating Manual
Would you like to learn more about this product?
Contact UsFrequent Questions

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

Would you like to learn more about this product?
Contact UsFrequent Questions
Benefits
  • Contamination free transfer
  • Excellent reliability
  • Self priming
  • Can run dry
Special Features
  • Diaphragm pump
Flow Rate (max.)5 l/min
Pressure (max.)0.3 bar (rel.)
Ultimate Vacuum (max.)25 mbar (abs.)
Valve Material OptionsCR, FFKM
Diaphragm Material OptionsEPDM, PTFE coated
Pump Head Material OptionsPPS
Motor Type OptionsAC, DC
  • Chemical industry
  • Inkjet printing
  • Medical equipment
  • Analytical instruments
  • Lab equipment
  • Gas analytics
  • Emission monitoring
  • Vacuum technology
UN 85.3
Datasheet UN 85.3

PDF (2 MB) - Datasheet - English

Operating Manual UN 85.3 KNF USA

PDF (389 KB) - Operating Manual - English

3D CAD Model UN 85.3

ZIP (4 MB) - CAD File - English

Flow Rate (max.)5 l/min
Pressure (max.)0.3 bar (rel.)
Ultimate Vacuum (max.)25 mbar (abs.)
Valve Material OptionsCR, FFKM
Diaphragm Material OptionsEPDM, PTFE coated
Pump Head Material OptionsPPS
Motor Type OptionsAC, DC
Benefits
  • Contamination free transfer
  • Excellent reliability
  • Self priming
  • Can run dry
Special Features
  • Diaphragm pump
  • Chemical industry
  • Inkjet printing
  • Medical equipment
  • Analytical instruments
  • Lab equipment
  • Gas analytics
  • Emission monitoring
  • Vacuum technology
Datasheet UN 85.3

PDF (2 MB) - Datasheet - English

Operating Manual UN 85.3 KNF USA

PDF (389 KB) - Operating Manual - English

3D CAD Model UN 85.3

ZIP (4 MB) - CAD File - English

Accessories UN 85.3

Here, you can find an overview of the available accessories for this product. For further details or order requests, please get in touch with our experts. Contact Us
Silencers & FiltersOrder ID
Silencer/Inlet filter
Fits G 1/8 (male) and 1/4 NPT (male) threads
Order ID 000345
Silencer/Inlet filter
Fits G 1/8 (male) and 1/4 NPT (male) threads
Order ID 000346
Mounting Kits & Shock MountsOrder ID
Rubber foot
For AC motors only, two pieces required per pump, Ø4.5 mm through holes spaced 81 mm apart, santoprene
Order ID 024435
Fittings & ConnectorsOrder ID
Hose connector
1/8 NPT (male) to barb for 1/8 ID tubing, black nylon
Order ID 202793
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