Flow rate (at atm. pressure) l/min
Vacuum mbar absolute
Pressure bar g
KNF NPK 03 KV DC-M Micro Swing Piston Gas Pump with Standard DC Motor
High Pressure Performance with Low Noise Level

With high operating pressures, low noise level and minimal vibration, the NPK 03 micro swing piston gas pumps are perfect for applications such as:

  • Medical point of care testing (POCT) devices
  • DNA/RNA extraction machines
  • Nebulizers for the medical industry
  • Coffee machines and milk foamers in the food industry
  • Pulsation dampers in the print industry
  • Elemental analysis nebulizers in the laboratory industry
  • Other applications requiring high pressure and limited installation space

The DC-M model (NPK 03 KV DC-M) comes with a standard DC motor. For applications requiring speed/flow rate regulations, please see the model with brushless DC motor, NPK 03 KV DC-B4

TypeFlow rate l/minUltimate vacuum mbar. abs.Ultimate pressure bar gWeight kg


Standard DC motor



4-wire brushless DC motor


Pumps from KNF are well-known for their customization possibilities. For NPK 03, KNF offers a special, on-request version with end pressure up to 6 bar g. Contact us to learn more.

    • High flow rate with excellent size / performance ratio
    • High end pressure up to 6 bar g on request
    • No contamination of the air due to oil-free operation
    • Very quiet and little vibration
    • Ready for installation
    • Can be installed in virtually any position
  • Flow rate l/min at atm. pressure3
    Ultimate vacuum mbar absolute250
    Operating pressure bar g5.5
    Permissible media temperature °C+5° to +40°C
    Permissible ambient temperature °C+5° to +40°C
    Voltage V12/24 V
    Motor protectionIP 40
    Weight kg0.48 kg
    Max. power consumption W18 W
    • KV Models: PPS pump head, FPM valve and PTFE piston sealing
  • Title Order No.
    Service kitSealing, valve and O-ring314-101
    Mounting plate312-554

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