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Relief Valves

Valin supplies easy-to-maintain pressure and safety relief valves that relieve pressure on a system by preventing overpressure and ensuring downstream equipment protection. Available in a variety of mounting types, flow rates, materials and operating pressures and temperatures.

Relief Valves

340 items

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  • 4F-RH4A-VT-SS R Series Relief Valve
    4F-RH4A-VT-SS Parker IVD R Series Relief Valve
    4F-RH4A-VT-SS

    Parker Hannifin

    Product Type: Relief Valves

    End 1 Type: Female NPT

    End 2 Type: Female NPT

    Parker IVD R Series Relief Valve, 1/4 in. Female NPT Inlet & Outlet (Port 1 & 2), Cv = 0.41, Viton Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 6mm Connection Size.
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  • 4M4F-RL4A-VT-SS-KB R Series Relief Valve
    4M4F-RL4A-VT-SS-KB Parker IVD R Series Relief Valve
    4M4F-RL4A-VT-SS-KB

    Parker Hannifin

    Product Type: Relief Valves

    End 1 Type: Male NPT

    End 2 Type: Female NPT

    Parker IVD R Series Relief Valve, 1/4 in. Male NPT x 1/4 in. Female NPT Inlet & Outlet (Port 1 & 2), Cv = 0.75, Viton Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 25 to 50 psig Cracking Pressure Range, Brown Spring, 6mm Connection Size.
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  • 4M-RL4A-KZT-SS-KC R Series Relief Valve
    4M-RL4A-KZT-SS-KC Parker IVD R Series Relief Valve
    4M-RL4A-KZT-SS-KC

    Parker Hannifin

    Product Type: Relief Valves

    End 1 Type: Male NPT

    End 2 Type: Male NPT

    Parker IVD R Series Relief Valve, 1/4 in. Male NPT Inlet & Outlet (Port 1 & 2), Cv = 0.75, Highly Fluorinated Fluorocarbon Rubber Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 50 to 100 psig Cracking Pressure Range, Purple Spring, 6mm Connection...
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  • 4A-RL4A-KZT-SS-KB R Series Relief Valve
    4A-RL4A-KZT-SS-KB Parker IVD R Series Relief Valve
    4A-RL4A-KZT-SS-KB

    Parker Hannifin

    Product Type: Relief Valves

    End 1 Type: A-Lok

    End 2 Type: A-Lok

    Parker IVD R Series Relief Valve, 1/4 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), Cv = 0.75, Highly Fluorinated Fluorocarbon Rubber Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 25 to 50 psig Cracking Pressure Range, Brown Spring, 6mm...
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  • 15PRVP8072 Parker Autoclave RVP Series Relief Valve
    15PRVP8072 Parker Autoclave RVP Series Relief Valve
    15PRVP8072

    Autoclave (Parker Hannifin)

    Product Type: Relief Valves

    Parker Autoclave RVP Series Relief Valve, 15,000 psi Max, 1/2" FNPT Inlet, 3/4" FNPT Outlet, 0.188" Orifice, Metal-Seat.
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  • 10PRVP8072 Parker Autoclave RVP Series Relief Valve
    10PRVP8072 Parker Autoclave RVP Series Relief Valve
    10PRVP8072

    Autoclave (Parker Hannifin)

    Product Type: Relief Valves

    Parker Autoclave RVP Series Relief Valve, 10,000 psi Max, 1/2" FNPT Inlet, 3/4" FNPT Outlet, 0.25" Orifice, Metal-Seat.
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  • 10PRVS8072 Parker Autoclave RVS Series Relief Valve
    10PRVS8072 Parker Autoclave RVS Series Relief Valve
    10PRVS8072

    Autoclave (Parker Hannifin)

    Product Type: Relief Valves

    Parker Autoclave RVS Series Relief Valve, 10,000 psi Max, 1/2" FNPT Inlet, 3/4" FNPT Outlet, 0.25" Orifice, Soft Seat.
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  • Parker RL4A Series Relief Valve
    4F-RL4A-KZT-SS-KC Parker Relief Valve
    4F-RL4A-KZT-SS-KC

    Parker Hannifin

    Product Type: Relief Valves

    Parker RL4A Series Relief Valve, 1/4" x 1/4", FPT x FPT, 400 PSIG CWP/50 to 100 PSIG Cracking, 316 Stainless Steel, Highly Fluorinated Fluorocarbon Rubber Seal, Adjustable Pressure, Angle, Relief Valve.
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