KNF · Diaphragm Gas Pump

NP 20

The KNF NP 20 is a diaphragm gas pump (vacuum duty) engineered for reliable operation, delivering up to 2.4 l/min, with vacuum to 240 mbar (abs.). It is built with a PPS pump head, EPDM diaphragm options, EPDM valve options and DC, Brushless DC motor, and offers low pulsation, high performance-to-size ratio, contamination-free transfer, maintenance-free and can run dry. The pump is contamination-free transfer, and features digitally adjustable motor.

The NP 20 is widely used in analytical instruments, chemical industry, climate technology, emission monitoring, food & beverage, gas analytics, inkjet printing, lab equipment, medical equipment, security & defense and vacuum technology.

  • Flow rate: 2.4 l/min
  • Pressure: 0 bar
  • Vacuum: 240 mbar

Frequently Asked Questions

What is the maximum flow rate of the NP 20?

The NP 20 delivers up to 2.4 l/min with vacuum to 240 mbar (abs.).

Is the NP 20 self-priming and can it run dry?

Yes — the NP 20 is can run dry without damage.

Which wetted materials are available for the NP 20?

The NP 20 is available with heads: PPS; diaphragms: EPDM; valves: EPDM.

Manufacturer page and datasheet

Contact LDR Technologies about NP 20