KNF · Swing Piston Gas Pump

NPK 04

The KNF NPK 04 is a swing piston gas pump engineered for reliable operation, delivering up to 3.3 l/min, at up to 2.8 bar (rel.), with vacuum to 300 mbar (abs.). It is built with a PPS pump head, PTFE piston sealing, FPM valve options and DC, Brushless DC motor, and offers low sound level, contamination-free transfer, maintenance-free, resistant to aggressive media, self-priming, can run dry, low pulsation and flow-tight in Off mode (NC valve). The pump is contamination-free transfer and FDA-approved materials available, and features digitally adjustable motor.

The NPK 04 is widely used in inkjet printing, medical equipment, analytical instruments, lab equipment, agriculture, climate technology, food & beverage, security & defense, semiconductors and cleaning & disinfection.

  • Flow rate: 3.3 l/min
  • Pressure: 2.8 bar
  • Vacuum: 300 mbar

Frequently Asked Questions

What is the maximum flow rate of the NPK 04?

The NPK 04 delivers up to 3.3 l/min at 2.8 bar (rel.) with vacuum to 300 mbar (abs.).

Is the NPK 04 self-priming and can it run dry?

Yes — the NPK 04 is self-priming and can run dry without damage.

Which wetted materials are available for the NPK 04?

The NPK 04 is available with heads: PPS; valves: FPM; piston sealing: PTFE.

Manufacturer page and datasheet

Contact LDR Technologies about NPK 04