Weatherproof Differential Pressure Switches

About Weatherproof Differential Pressure Switches

Weatherproof switches are sealed for external use. They are built to stand up to the rigors of the environment and provide long lasting and dependable service. SOR weatherproof differential pressure switches also feature adjustable set points. If your application requires you to monitor differential pressure in a weatherproof environment, look no further.


Long Lasting and Dependable

  • Precise quality standards from raw materials to finished switch
  • Low cost
  • Set point adjustment with calibrated scale


Wide Range of Standard Models

  • SOR has a weatherproof differential pressure switch to fit a wide variety of applications where protection from the elements is vital to your process
  • Extensive range of wetted parts available
  • Several instrument enclosures available, including aluminum and stainless steel


Engineered to Your Specifications

  • Every SOR weatherproof differential pressure switch can be custom made to your exact specifications—talk to a factory Sales Engineer or your local Representative


Safety Certified to IEC 61508 (SIL)

  • Most models meet requirements for non-redundant use in SIL1 and SIL2 Safety Instrumented Systems


Versatile Features

  • Draft ranges to high differential set points
  • High static working pressures
  • Capable of full differential pressure reversal


Simple to Use

  • Installs easily without the need for special tools
  • Factory calibration at no charge