Weatherproof Pressure Switches

SOR weatherproof pressure switches are designed to be weather tight for external use. They are built to stand up to the rigors of the environment and provide long-lasting and dependable service. Diaphragm type switches are recommended for most process applications while pivot seal type weatherproof pressure switches perform best in fluid power (hydraulic) applications.

Adjustable Dead Band – Weatherproof Pressure Switch
Models: V1
Ranges: 5 to 1750 psi
Certifications: Unit: CSA, SIL
Warranty: 3 Years
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Bourdon Tube – Weatherproof Pressure Switch
Models: 401RN
Ranges: 1000 to 10,000 psi
Warranty: 3 Years
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Dual Hi-Lo – Weatherproof Pressure Switch
Models: V1
Ranges: 30 in Hg VAC to 4000 psi, 1 bar VAC to 275 bar
Certifications: Unit: CSA, SIL
Warranty: 3 Years
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Omni Weatherproof Pressure Switch
Models: Omni
Ranges: 7 to 7000 psi, 0.5 to 480 bar
Certifications: Unit: SIL
Warranty: 3 Years
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Pivot Seal – Weatherproof Pressure Switch
Models: Various
Ranges: 100 to 7000 psi (7 to 480 bar)
Certifications: Unit: CE, CSA, INMETRO, SIL
Warranty: 3 Years
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Weatherproof Pressure Switch
Models: NN, N3, N4, N6
Ranges: 30 in Hg VAC to 7000 psi, 1 bar VAC to 480 bar
Certifications: Unit: CE, CSA, INMETRO, SIL
Warranty: 3 Years
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Weatherproof Pressure Switch with Terminal Block Connections
Models: RN
Ranges: 30 in Hg VAC to 7000 psi, 1 bar VAC to 480 bar
Certifications: Unit: ATEX, CE, CSA, INMETRO, SIL
Warranty: 3 Years
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Field proven for long working life

  • Aluminum, carbon steel or stainless steel housings available
  • Precise quality standards from raw materials to finished switch

Wide range of standard models

  • SOR has a weatherproof pressure switch to fit most any application where protection from the elements is vital to your process
  • Fixed range, adjustable set points and adjustable differential models available
  • Standard wetted parts are normally suited for air, water, oil and non-corrosive process media

Safety Certified to IEC 61508 (SIL)

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

Engineered solutions for your applications

  • Every SOR weatherproof pressure switch can be custom made to your exact specifications – talk to a factory Sales Engineer or your local Representative
  • If your application requires a weatherproof pressure switch for use in a corrosive process, optional components can be supplied

Simple to use

  • Easy to install and calibrate – no special tools required
  • Factory calibration is free
  • Self-locking set point adjustment
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