Type 3700 Main steam Safety valve

• Baker Hughes’s Consolidated 3700 Series Safety Valves are spring-loaded safety valves for steam service. The 3700 Series Safety Valves are provided in accordance with the requirements of the ASME Code III, Division 1, Class 1 and 2, for materials, design, fabrication, examinations, pressure testing and overpressure protection. In addition these valves are provided in accordance with the Owner's Design Specification. Every effort has been made to provide a design which can be readily serviced in the field and which has a high degree of reliability to meet the stringent needs of our Nuclear Power customers. 3700 Series Safety Valves are capacity certified, including demonstration of function under Section III of the ASME Code for application in Nuclear Power Systems and ASME PTC 25 (Power Test Code).

  Inlet Sizes:

  2 1/2" through 10"

  Inlet Ratings:

  ASME Class 900 and 1500

  Outlet Sizes:

  6" through 12"

  Outlet Ratings:

  ASME Class 150

  Orifice Sizes:

  3,4,6,7,Q, R, RR, S and T

  Set Pressure Range:

  50 to 1500 psig

  Temperature Range:

  Upto 600°F

  Materials:

  Carbon Steel/Alloy Steel

  Reactor Service:

  Boiling Water, Pressurized Water

  Typical Applications:

  Primary plant pressure vessels and main steam generators

  Certifications:

  ASME Section III, Class I for BWR and Class 2 for PWR, NV-stamped

  Standards and Regulations:

  ASME B & PVC, Section III