Flow rate (at atm. pressure) l/min
2.7
Vacuum mbar absolute
250
Pressure bar g
5.5
NPK 03 KV DC-B4, high pressure performance with low noise level swing piston gas pump
High Pressure Performance with Low Noise Level

The NPK 03 is the newest addition to the KNF micro piston gas pump family. Generating high operating pressures with low noise level and minimal vibration, this compact yet durable pump is ideal for application 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
Easy Flow Rate Adjustment

The DC-B model (NPK 03 KV DC-B4) features a 4-wire, brushless DC motor, and is capable of controlling the flow / motor speed via pulse-width modulation (PWM) or control voltage. Alternatively, a model with standard DC motor is also available as NPK 03 KV DC-M.

Type Flow rate l/min Ultimate vacuum mbar. abs. Ultimate pressure bar g Weight kg
NPK 03 KV DC-B4

4-wire brushless DC motor

2.7 250 5.5 0.38
NPK 03 KV DC-M

Standard DC motor

3 250 5.5 0.48

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
    • 4-wire, brushless DC motor
    • Regulating the flow rate / pump speed via PWM or control voltage
    • 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. pressure 2.7
    Ultimate vacuum mbar absolute 250
    Operating pressure bar g 5.5
    Permissible media temperature °C +5° to +40°C
    Permissible ambient temperature °C +5° to +40°C
    Voltage V 12/24 V
    Motor protection IP 20
    Weight kg 0.38 kg
    Max. power consumption W 14 W
    • KV Models: PPS pump head, FPM valve and PTFE piston sealing
  • Title   Order No.
    Service kit Sealing, valve and O-ring 314-101
    Silencer/filter 314-005
    Mounting plate 312-554

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