Ultra Low Pressure Switches

November 01, 2019



This series of sensitive pressure switches covers very low pressures and compound (positive/negative) ranges.

Using Neo-Dyn’s unique Belleville spring design, these adjustable range switches are suitable for high vibration applications.

All Neo-Dyn switches offer high accuracy and repeatability to the set point with unsurpassed reliability in the field. No moving parts except during actuation ensure no spring fatigue and long life.

Out of stock



  • -10 kPa to +10 kPa adjustable ranges (compund and positeve pressure)
  • High system and proof pressures
  • Belleville spring design, vibration and pulsation resistant with no set point bounce
  • Wide selection of wetted materials including stainless steel, Hastelloy C,  Viton, Kalrez, Buna & EPR
  • Weatherproof & SAA Approved explosion proof housings


142P Ultra Low Pressure Switches 142P Ultra Low Pressure Switches for Hazardous Locations