Pressure Switches

About Nuclear Qualified Pressure Switches

SOR Measurement & Control nuclear qualified pressure switches remain relevant in today’s aging power plants. Our engineering has proven to be a “go-to” resource because we have been involved since the beginning. We specialize in replacement units as well as new-build units and are happy to work with your engineers to help design pressure switches to meet unique and special needs.

  • Seismic and environmental qualifications
  • Ranges from 30 in HgV to 1750 psi
  • All wetted parts 316 stainless steel
  • 1E qualified


Form, Fit, and Function Replacement and New-Build Switches

  • Pressure and Vacuum
  • Differential Pressure
  • Temperature


All Switches Comply with Nuclear Power Generation Industry Requirements

  • 1E-qualified instruments by a combination of testing and analysis to meet your specifications
  • 10CFR50 Appendix B
  • ANSI N45.2 NQA-1 (including reporting)
  • IEEE-323-1974 & 1983
  • IEEE-344-1975 & 1987


Audited by

  • Nuclear Procurement Issues Committee (NUPIC)
  • Nuclear Industry Assessment Committee (NIAC)
  • Canadian Technical Standards & Safety Authority (TSSA) in accordance with N285.0 Category “F” type Fittings and B51 Category “F” type Fittings


Engineered Solutions for Unique Situations

  • SOR can modify or work with you to design products whatever the process application, safety concerns or environmental demands