Pressure Relief Valves

  • Pressure Relief Valves, also known as clack valves or one-way valves, are an inexpensive yet effective solution to controlling backflow in high and low-pressure fluid systems.
  • We offer large inventory of instrument check valves, including welded check valves, compact check valves, ball check valves, high-pressure check valves, and adjustable check valves.
  • End connection options include male / female NPT, Hy-Lok tube fittings, and metal gasket & O-ring face seals.

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Pressure Relief Valves

Type Standard NPT Relief Valves (High Pressure) Standard Relief Valves (Medium Pressure)
Material
  • Body – 316 cold worked stainless steel
  • Body – 316 cold worked stainless steel
Specifications
  • MAWP up to 15,000 psig (1034 bar)
  • Temperature Ratings: -251 C to 648 C (Metal Seat), -54 C to 121 C (Soft Seat)
  • MAWP up to 60,000 psig (4136 bar)
  • Temperature Ratings: -251 C to 648 C (Metal Seat), -54 C to 121 C (Soft Seat)

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