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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

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  • Parker RL4A Series Relief Valve
    4M4F-RL4A-KZT-SS-KC Parker Relief Valve
    4M4F-RL4A-KZT-SS-KC

    Parker Hannifin

    Product Type: Relief Valves

    Parker RL4A Series Relief Valve, 1/4" x 1/4", MPT 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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  • Parker RL4A Series Relief Valve
    4A-RL4A-EPRT-SS-KC Parker Relief Valve
    4A-RL4A-EPRT-SS-KC

    Parker Hannifin

    Product Type: Relief Valves

    Parker RL4A Series Relief Valve, 1/4" x 1/4", A-LOK Double Ferrule Compression x A-LOK Double Ferrule Compression, 400 PSIG CWP/50 to 100 PSIG Cracking, 316 Stainless Steel, Ethylene Propylene Rubber Seal, Adjustable Pressure, Angle, Relief Valve.
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  • 4M-RH4A-KZT-SS-K2 R Series Relief Valve
    4M-RH4A-KZT-SS-K2 Parker IVD R Series Relief Valve
    4M-RH4A-KZT-SS-K2

    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 = 0.41, Highly Fluorinated Fluorocarbon Rubber Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 350 to 750 psig Cracking Pressure Range, Red Spring, 6mm Connection Size.
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  • 4A-RL4A-VT-SS-KD-C3 R Series Relief Valve
    4A-RL4A-VT-SS-KD-C3 Parker IVD R Series Relief Valve
    4A-RL4A-VT-SS-KD-C3

    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, Viton Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 100 to 150 psig Cracking Pressure Range, Dark Green Spring, 6mm Connection Size, Oxygen Cleaned.
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  • 4A-RH4A-BNT-SS-K5 R Series Relief Valve
    4A-RH4A-BNT-SS-K5 Parker IVD R Series Relief Valve
    4A-RH4A-BNT-SS-K5

    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 = 0.41, Nitrle Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 2250 to 3000 psig Cracking Pressure Range, Light Green Spring, 6mm Connection Size.
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  • 4M-RH4A-EPRT-SS-K5 R Series Relief Valve
    4M-RH4A-EPRT-SS-K5 Parker IVD R Series Relief Valve
    4M-RH4A-EPRT-SS-K5

    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 = 0.41, Ethylene Propylene Rubber Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 2250 to 3000 psig Cracking Pressure Range, Light Green Spring, 6mm Connection Size.
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  • 4M-RH4A-EPRT-SS-K3 R Series Relief Valve
    4M-RH4A-EPRT-SS-K3 Parker IVD R Series Relief Valve
    4M-RH4A-EPRT-SS-K3

    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 = 0.41, Ethylene Propylene Rubber Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 750 to 1500 psig Cracking Pressure Range, Orange Spring, 6mm Connection Size.
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  • 4F-RH4A-VT-SS-K7 R Series Relief Valve
    4F-RH4A-VT-SS-K7 Parker IVD R Series Relief Valve
    4F-RH4A-VT-SS-K7

    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, 4000 to 5000 psig Cracking Pressure Range, Violet Spring, 6mm Connection Size.
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