Metal Seat Relief Valves (Factory Set)

Relief Valves (Factory Set)

Relief valves are offered in pressure ranges: 1,500 through 60,000 psi.

Standard materials include 316 stainless steel bodies and removable seat glands with 17-4PH stainless steel removable seats and pistons. Standard O-ring material on the piston is Viton Valves may be used up to 350° F.

Inlet connections are for 9/16" O.D. tubing (HF9) with adapters for other sizes available. Outlet connections are 1/2" NPT. These valves are not recommended for use below 1,500 psi, and are not readily adjustable in the field without proper test equipment. Pressure settings are made at the factory and valves are tagged accordingly.

To order, simply specify catalog number and set pressure. See table below.

  • Metal Seated - Catalog Number: 402633
  • Minimum Temperature: 0°F
  • Maximum Temperature with standard Viton O-ring: 400°F
  • Maximum Temperature with Kalrez O-ring: 500°F

CE Marked Relief Valves

HiP relief valves are now available with CE marking. These products will proudly be marked with the CE symbol, signifying they comply with the stringent requirements of the Pressure Equipment Directive (PED). To order, add -CE to your relief valve part number.

Metal Relief Valves (Factory Set)
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