Kunkle Models 6252/6254

Kunkle Valves Models 6252/6254

The Kunkle 6252 and 6254 are suitable for use on steam boilers and generators, pressure reducing stations, reciprocating or rotary air/gas compressors and for pressure vessels including tanks, receivers, intercoolers, oil/gas separators and lines.

This are 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.

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