131 & 141 Nuclear Qualified Differential Pressure Switch

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131 & 141 Nuclear Qualified Differential Pressure Switch 1
131 & 141 Nuclear Qualified Differential Pressure Switch 2
131 & 141 Nuclear Qualified Differential Pressure Switch 1
131 & 141 Nuclear Qualified Differential Pressure Switch 2

Models:

131/141

Designed for the nuclear industry, the rugged SOR 131/141 nuclear differential pressure switches have excellent long-term stability and have proven themselves in the field after several years of service. These workhorse nuclear differential pressure switches can be modified to support your uprate requirements.

  • 1E qualified
  • Adjustable ranges from 5” wcd to 180 psid
  • Long-term stability
  • Negligible temperature effect
  • HELB tested to 33Mrad
  • Quick delivery

Applications

  • MSL high-flow isolation
  • ECCS pump bypass valve control
  • HPCS bypass valve control
  • RCIC high steam flow isolation
  • Level monitoring and control

Compliant

  • 10CFR50, Appendix B/10CFR21
  • NQA-1-2015
  • CSA B51 Part 1
  • ANSI N45.2

Qualified by a combination of testing and analysis

  • 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) N285.0
  • Tractebel Engineering SUEZ Certificate nr. 3696

 

Compliance and qualification depends on the individual instruments.