Back To Top
Kunkle Valve Models 6252/6254 Safety Relief Valves
Models 6252/6254 Safety Relief Valves
Cast iron ASME section I steam and section VIII, air, steam and gas ‘UV’ National Board certified safety valves including model 6254 to ASME section IV ‘HV’, PED certified for non-hazardous gas


  • Heavy duty high quality cast iron construction with stainless steel semi-nozzle, trim and disc.
  • Bolted bonnet design for easy maintenance.
  • Seats lapped to optical flatness.
  • Dual control rings offer easy adjustability for precision opening with minimum pre-open or simmer and exact blowdown control.
  • Heavy duty lift lever assembly.
  • All adjustments factory sealed to prevent tampering or disassembly.
  • Each valve tested and inspected for pressure setting and leakage.
  • Valves available National Board certified to ASME sections I, VIII and IV, and PED certified for non-hazardous gas.


Interesting in attending a training class?

Visit Course Listing!