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mechanical pressure switch / for hydraulic applications / for compressors / for pumps
NPI series



  • Technology:


  • Applications:

    for hydraulic applications, for compressors, for pumps

  • Other characteristics:

    adjustable, with digital display, IP66

  • Process temperature:

    Min.: -65 °F (-54 °C)

    Max.: 250 °F (121 °C)

  • Pressure range:

    Min.: 60 psi

    Max.: 20,000 psi


The K series is one of Ashcroft's latest additions to the market, being comprised of thin film pressure sensors defined by high stability and long life. The rated load is of minimum 10 million cycles, while the setpoint repeatability has a 0.5% range.

The IP66 rating ensures further safety and reliability, while the deadbands are completely adjustable between 0.1% and 95%. Next, the status lights are able to indicate the switch state, while the continuous power ensures smooth operation even after years of inactivity. The item is suitable for applications such as shutdown and pressure alarms, on machine tools, pumps, presses and even hydraulic systems.