Diaphragm Gas Pump
N 680.1.2 Ex
Metric
Imperial
Metric
Imperial
Diaphragm Gas Pump

N 680.1.2 Ex

  • Flow Rate (max.): 220 l/min
  • Pressure (max.): 3 bar (rel.)
  • Vacuum (max.): 150 mbar (abs.)
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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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Contact Us Frequent Questions
Benefits
  • Excellent reliability
  • Contamination free transfer
Special Features
  • Diaphragm pump
  • Ex-proof
  • High IP class (>44)
Flow Rate (max.)220 l/min
Pressure (max.) 3 bar (rel.)
Ultimate Vacuum (max.) 150 mbar (abs.)
Valve Material OptionsStainless steel
Diaphragm Material OptionsPTFE, EPDM
Pump Head Material OptionsStainless steel
Motor Type OptionsAC
  • Analytical instruments
  • Chemical industry
  • Emission monitoring
  • Gas analytics
N 680.1.2 Ex
Datasheet N 680.1.2 Ex

PDF (2 MB) - Datasheet - English

Operating Manual N 680.1.2 Ex

PDF (6 MB) - Operating Manual - English

3D CAD Model N 680.1.2 Ex

ZIP (35 MB) - CAD File - English

Process Pump Safety Leaflet

PDF (599 KB) - Operating Manual - English

N 680.12 Ex - Product Introduction
N 680.1.2 Ex - checking and replacing sprocket on coupling
N 680 Ex - Maintenance
Flow Rate (max.)220 l/min
Pressure (max.) 3 bar (rel.)
Ultimate Vacuum (max.) 150 mbar (abs.)
Valve Material OptionsStainless steel
Diaphragm Material OptionsPTFE, EPDM
Pump Head Material OptionsStainless steel
Motor Type OptionsAC
Benefits
  • Excellent reliability
  • Contamination free transfer
Special Features
  • Diaphragm pump
  • Ex-proof
  • High IP class (>44)
  • Analytical instruments
  • Chemical industry
  • Emission monitoring
  • Gas analytics
Datasheet N 680.1.2 Ex

PDF (2 MB) - Datasheet - English

Operating Manual N 680.1.2 Ex

PDF (6 MB) - Operating Manual - English

3D CAD Model N 680.1.2 Ex

ZIP (35 MB) - CAD File - English

Process Pump Safety Leaflet

PDF (599 KB) - Operating Manual - English

N 680.12 Ex - Product Introduction
N 680.1.2 Ex - checking and replacing sprocket on coupling
N 680 Ex - Maintenance

Accessories N 680.1.2 Ex

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
Mounting Kits & Shock Mounts Part No.
Transport eyebolt
Part No. 311535
Tubing & Piping Part No.
Water cooling connections
Suitable only in combination with stainless steel pump heads
Part No. 329236