42PSXD Differential Switch
Model Number: 42PSXD

  • 42PSXD - Differential Pressure Switch (Diaphragm Sensing Element)
  • Ranges from 10-100 psid
  • Explosion-proof/weather-tight NEMA 4, 7, & 9 housing
  • One or two SPDT contacts
  • Various wetted materials available
  • Also available with piston & bellows sensing elements


  • Cast-aluminum housing available in explosion-proof or weather-tight options
  • Simple & proven switching mechanism
  • Pressure-sensing elements outside the flame path are designed to accommodate a wide variety of wetted materials, that are well-suited for almost any corrosive process
  • The versatile design of the 4PSX series is highly configurable to accommodate different pressure-sensing element arrangements and materials