Adjustable pressure switch / for gas / for liquids / mechanical
901 Prescal Beck GmbH Druckkontrolltechnik


  • Fluid:

    for gas, for liquids

  • Technology:


  • Applications:

    industrial, for hydraulic applications, OEM, for compressors, for pumps, for pneumatic applications, for hygienic applications, for boilers, for central lubrication units

  • Other characteristics:

    adjustable, stainless steel, with adjustment knob, IP65, compact, ATEX, rugged, adjustable, low-pressure, with diaphragm seal, relative, flange, screw-in, custom, IP54

  • Process temperature:

    Min.: -85 °C (-121 °F)

    Max.: 130 °C (266 °F)

  • Pressure range:

    Min.: -1 bar (-14.5 psi)

    Max.: 25 bar (362.59 psi)


The 901 Prescal®, developed by Beck, is an adjustable pressure switch which is used to monitor over pressure, vacuum or differential liquid pressure, gas elements and aggressive materials. The switch is equipped with a scaled adjustment knob in order to adjust the trip and reset the pressure without the need of a screw driver.


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