Relief Valves

Metal Seat Relief Valves (Factory Set)

Metal Seat Relief Valves are available in pressure ranges 1,500 through 60,000 psi. Learn More

Soft Seat Relief Valves (Factory Set)

Soft Seat Relief Valves are available in pressure ranges 1,500 through 25,000 psi. Learn More

Relief Valves (Field Adjustable)

Relief Valves (Field Adjustable) are available in pressure ranges 1,000 through 20,000 psi. Learn More


Metal Seat Relief Valves (Factory Set)

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

Standard materialsinclude 316 stainless steel bodies and removable seat glands with 17-4PH stainless steel removable stem and stem seats. Standard O-ring material on the stem is Viton Valves may be used up to 400° 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)

ID: 192: Metal Relief Valves (Factory Set):54:1:5

Soft Seat Relief Valves (Factory Set)

Relief valves are offered in pressure ranges: 1,500 through 25,000 psi.

Standard materials include 316 stainless steel bodies and removable seat glands with 17-4PH stem and seal ring. Standard O-ring material on the stem is Viton. The seat material is Peek. Valves may be used up to 400°F with standard Vtion O-ring or 450°F with the Kalrez O-ring option.

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.

  • Soft Seat - Catalog Number: 602923
  • Minimum Temperature: 0°F
  • Maximum Temperature with standard Viton O-ring: 400°F
  • Maximum Temperature with Kalrez O-ring: 450°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.

SOFT SEAT RELIEF VALVES (FACTORY SET)

ID: 192: Metal Relief Valves (Factory Set)

Relief Valves (Field Adjustable)

Relief valves are offered in pressure ranges: 1,000 through 20,000 psi.

Standard materials include 316 stainless steel bodies and seat glands. Standard O-ring material is EPDM, with teflon packing and nylon seats.

Inlet connections 1/4" NPT-HIP-10RV; HF4-HIP-20RV.
Outlet connections are 1/4" NPT.
These valves are not recommended for use below 1,000 psi, and are readily adjustable in the field.

To order, simply specify catalog number. Example: HIP-10RV

  • Metal Seated - HIP-10RV and HIP-20RV
  • Seat Material: Nylon standard, Peek optional
  • Minimum Temperature: 0°F
  • Maximum Temperature with standard EPDM: 350°F
  • Maximum Temperature with Peek seats: 450°F
  • Maximum Temperature Kalrez O-rings: 450°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.

RELIEF VALVES (FIELD ADJUSTABLE)

ID: 192: Metal Relief Valves (Factory Set):54:1:5

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