Kunkle 6252&252

Kunkle Iron Relief Valves For Air, Non-Hazardous Gas
Model #6252, 6254


  • Heavy-duty construction of high quality cast iron with bronze or stainless steel semi-nozzle trim
  • Dual control rings offer easy adjustability for precision opening with minimum preopen or simmer and exact blow-down control
  • Heavy-duty lift lever assembly.


  • Steam boiler and generators
  • Pressure reducing stations
  • Air/Gas compressors – reciprocating or rotary
  • Pressure vessels – including tanks, receivers, intercoolers, oil-gas separators, lines


  • Sizes: 1-1/2 thru 6 inch
  • Pressure Limits: 250 PSIG – 406°F