Consolidated Type 31700 Nuclear Valve

The Consolidated Type 31700 spring-loaded safety valve is ASME Code Section III certified for Class 1 steam service protection within pressurized water reactor systems in nuclear power plants. It offers tightness and performance under variable back pressure conditions.


Pressurizer safety valve


  • Over pressure protection of pressurizer in a PWR reactor
  • Excellent for use in saturated steam conditions
  • Maintains set-point within very small tolerance allowing higher plant efficiency
  • Provides repeatable tight shutoff, reducing need for frequent maintenance
  • Long history of operation in nuclear plants