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Products - Relief Valves

Safety relief & system overpressure.

Metal Type

Threaded Npt

RVC-05-Npt

303 & 316 Stainless Steel: Full flow Pressure Relief Valve 25-5000 PSI max (multiple spring ranges and pressure classes) 1/4"-3" NPT For water, oil, air, chemicals, gas Connections: Bottom inlet, side outlet. Also available as a Back pressure/Bypass valve (BPS-05).
RVC-05i-Npt

303 & 316 Stainless Steel: Full flow Pressure Relief Valve 25-5000 PSI max (multiple spring ranges and pressure classes) 1/4"-2" NPT For water, oil, air, chemicals, gas Connections: In-Line connections. Relief valve (RVC-05i).
RVi-20

303 & 316 Stainless Steel, TFE, PVC: High accuracy pressure relief, diaphragm valve 0.5 to 75 PSI (0.03 to 5 Bar) (multiple spring ranges) 1/8"-1 1/4" NPT, 1/2"-2" ANSI & Sanitary Tri-Clamp flanges For water, oil, air, chemicals, gas Connections: In-line porting.
RVL-20

303 & 316 Stainless Steel or PVC: High accuracy pressure relief, diaphragm valve 0.5 to 75 PSI (0.03 to 5 Bar) (multiple spring ranges) 1/4"-2" NPT 1/2"-3" flanged (ANSI & Sanitary Tri-Clamp Flanges) For water, oil, air, chemicals, gas Connections: Side inlet, bottom outlet.
RVH-05i

303 & 316 Stainless Steel: High Pressure, Very Low Flow Relief Valve. Piston type valve with sealing materials to 600 deg F (315 deg C) 5000 Psi max, (345bar) multiple spring ranges and pressure classes For water, oil, air, chemicals, gas Connections: In-line 1/4"-1" NPT, ½ to 1" ANSI flanged.
RVi-05

303 & 316 Stainless Steel , Brass, or PVC: Compact low cost, reduced flow In-Line Relief Valve Fitting Tamper proof construction requires removal to adjust pressure. 200 PSI max (multiple spring ranges) 1/4” model RVi05-H to 400 psig 1/4"-3" NPT, 1/2"-3" flanged, Some models in BSP threads For water, oil, air, chemicals, gas.
RVA-05

303 & 316 Stainless Steel, Brass, Hastelloy, Titanium, or Monel: Compact, low cost, reduced flow Relief Valve Fitting. Used in some Hydrogen conversion kits for automobiles. Tamperproof construction requires removal to adjust pressure. 0.5-200 PSI max (multiple spring ranges) 1/8” model RVAH to 400 psig 1/8"-3" NPT, 1/2"-3" flanged (custom). For air, nitrogen, and clean gases that can be safely discharged to atmosphere, or liquids that can be safely deflected or contained.
RVT-05

303 & 316 Stainless Steel or Brass: 25-2000 PSI max (multiple spring ranges) 1/4"-2" NPT, 1/2"-2" flanged For water, oil, air, chemicals, gas Connections: 2 in-line through flow ports, 1 bottom outlet port.

Sanitary Tri-Clamp

RVC05-TC

303 & 316 Stainless Steel: Full flow Pressure Relief Valve 20-150 PSI max for sanitary applications. Relief pressures to 150 psig Temperatures to 350 F (176 C)
RVL20-TC

316 Stainless Steel: Full flow Pressure Relief Valve 2-80 PSI max for sanitary applications. Relief pressures to 150 psig Temperatures to 350 F (176 C)

Flanged ANSI B16.5

RVC05-150 FLG

303 & 316 Stainless Steel: Full flow Pressure Relief Valve 25-270 PSI max (multiple spring ranges & pressure classes) 1/2"-4" flanged. For water, oil, air, chemicals, gas Connections: Bottom inlet, side outlet.
RVC05-300 FLG

303 & 316 Stainless Steel: Full flow Pressure Relief Valve 25-700 PSI max (multiple spring ranges & pressure classes) 1/2"-4" flanged. For water, oil, air, chemicals, gas Connections: Bottom inlet, side outlet.
RVC05-600 FLG

303 & 316 Stainless Steel: Full flow Pressure Relief Valve 25-1400 PSI max (multiple spring ranges & pressure classes) 1/2"-4" flanged. For water, oil, air, chemicals, gas Connections: Bottom inlet, side outlet.

Flanged SAE J518

RBH-05-J518-Code-62

303 & 316 Stainless Steel, Hastelloy, Monel, Titanium, or Alloy 20: Full flow Back pressure/Bypass Valve 25-1400 PSI max (multiple spring ranges & pressure classes) 3/4"-3" flanged For water, oil, air, chemicals, gas Connections: Bottom inlet, side outlet.