Diaphragm Gas Pump
UN 838
Metric
Imperial
Metric
Imperial
Diaphragm Gas Pump

UN 838

  • Flow Rate (max.): 34 l/min
  • Pressure (max.): 0.5 bar (rel.)
  • Vacuum (max.): 100 mbar (abs.)
Sample Available

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Contact Us Frequent 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. 

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Benefits
  • Excellent reliability
  • Contamination free transfer
  • Maintenance-free
  • Can run dry
  • Digitally adjustable motor
Special Features
  • Diaphragm pump
Flow Rate (max.)34 l/min
Pressure (max.) 0.5 bar (rel.)
Ultimate Vacuum (max.) 100 mbar (abs.)
Valve Material OptionsFPM
Diaphragm Material OptionsEPDM
Pump Head Material OptionsPPS, Aluminium
Motor Type OptionsAC, DC, Brushless DC
  • Emission monitoring
  • Medical equipment
  • Analytical instruments
  • Lab equipment
  • Agriculture
  • Chemical industry
  • Climate technology
  • Gas analytics
  • Food & beverage industry
  • Security and defense
  • Fuel cells
UN 838
Datasheet UN 838 KNF USA

PDF (1 MB) - Datasheet - English

Operating Manual UN 838 KNF USA

PDF (5 MB) - Operating Manual - English

3D CAD Model UN 838

ZIP (33 MB) - CAD File - English

Flow Rate (max.)34 l/min
Pressure (max.) 0.5 bar (rel.)
Ultimate Vacuum (max.) 100 mbar (abs.)
Valve Material OptionsFPM
Diaphragm Material OptionsEPDM
Pump Head Material OptionsPPS, Aluminium
Motor Type OptionsAC, DC, Brushless DC
Benefits
  • Excellent reliability
  • Contamination free transfer
  • Maintenance-free
  • Can run dry
  • Digitally adjustable motor
Special Features
  • Diaphragm pump
  • Emission monitoring
  • Medical equipment
  • Analytical instruments
  • Lab equipment
  • Agriculture
  • Chemical industry
  • Climate technology
  • Gas analytics
  • Food & beverage industry
  • Security and defense
  • Fuel cells
Datasheet UN 838 KNF USA

PDF (1 MB) - Datasheet - English

Operating Manual UN 838 KNF USA

PDF (5 MB) - Operating Manual - English

3D CAD Model UN 838

ZIP (33 MB) - CAD File - English

Get a Sample Pump

Try out and experience the exceptional quality of KNF diaphragm pumps firsthand by ordering a sample pump. To order, create a new account or log in to your existing account.
Diaphragm Gas Pump-N 838 KN.29 DC-B
Diaphragm Gas Pump
N 838 KN.29 DC-B

Specific Performance Data

  • Flow Rate (max.): 34 l/min
  • Pressure (max.): 0.5 bar (rel.)
  • Vacuum (max.): 100 mbar (abs.)

Tech Specifications

  • Pump Head Material: PPS
  • Diaphragm Material: EPDM
  • Valve Material: FPM
  • Motor Type: Brushless DC
  • Voltage: 24 V
  • Hydraulic Connections: Inside thread G 1/8"

Accessories UN 838

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 & Filters Part No.
Silencer/Inlet filter
G 1/8 or 1/8 NPT
Part No. 007006
Mounting Kits & Shock Mounts Part No.
Shock mount
M4 male and female thread, Ø5/8 x 1/2 elastomer size, natural rubber
Part No. 215270
Fittings & Connectors Part No.
Barb fitting
1/8 NPT (male) to barb for 1/4 ID tubing, HDPE
Part No. 072235
Barb fitting
1/8 NPT (male) to barb for 1/4 ID tubing, brass
Part No. 072237
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