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Kunkle Valve Models 264/265/266/267 Safety Relief Valves
Models 264/265/266/267 Safety Relief Valves
Safety and relief valves for non-code liquid relief that meet ASME Section VIII for air/gas and steam and are National Board certified


  • Extra heavy rugged construction.
  • Top guided design offers high capacity with 0.110 in2 (0.710 cm2) orifice area.
  • Seats lapped to optical flatness.
  • Ball pivot between disc and spring corrects misalignment and compensates for spring side thrust.
  • Standard outlet with 1" female NPT.
  • O-ring soft seat available.
  • Each valve tested and inspected for pressure setting and leakage.
  • Maximum back pressure 400 psig (27.6 barg)4.


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