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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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  • 4F-RL4A-VT-SS-KA R Series Relief Valve
    4F-RL4A-VT-SS-KA Parker IVD R Series Relief Valve
    4F-RL4A-VT-SS-KA

    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 = 0.75, Viton Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 10 to 25 psig Cracking Pressure Range, Magenta Spring, 6mm Connection Size.
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  • 4F-RH4A-VT-SS-K8 R Series Relief Valve
    4F-RH4A-VT-SS-K8 Parker IVD R Series Relief Valve
    4F-RH4A-VT-SS-K8

    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, 5000 to 6000 psig Cracking Pressure Range, Lemon Yellow Spring, 6mm Connection Size.
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  • 4M-RL4A-VT-SS-MN-KD R Series Relief Valve
    4M-RL4A-VT-SS-MN-KD Parker IVD R Series Relief Valve
    4M-RL4A-VT-SS-MN-KD

    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, Viton Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 100 to 150 psig Cracking Pressure Range, Dark Green Spring, 6mm Connection Size, Manual Override.
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  • 4M4A-RH4A-BNT-SS-K7 R Series Relief Valve
    4M4A-RH4A-BNT-SS-K7 Parker IVD R Series Relief Valve
    4M4A-RH4A-BNT-SS-K7

    Parker Hannifin

    Product Type: Relief Valves

    End 1 Type: Male NPT

    End 2 Type: A-lok

    Parker IVD R Series Relief Valve, 1/4 in. Male NPT x 1/4 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), Cv = 0.41, Nitrle 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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  • 8A-RH4A-EPRT-SS-K2 R Series Relief Valve
    8A-RH4A-EPRT-SS-K2 Parker IVD R Series Relief Valve
    8A-RH4A-EPRT-SS-K2

    Parker Hannifin

    Product Type: Relief Valves

    End 1 Type: A-Lok

    End 2 Type: A-Lok

    Parker IVD R Series Relief Valve, 1/2 in. A-LOK Compression Inlet & Outlet (Port 1 & 2), Cv = 0.41, Ethylene Propylene 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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  • 4M-RL4A-BNT-SS-KF R Series Relief Valve
    4M-RL4A-BNT-SS-KF Parker IVD R Series Relief Valve
    4M-RL4A-BNT-SS-KF

    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, Nitrle Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 225 to 400 psig Cracking Pressure Range, White Spring, 6mm Connection Size.
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  • 4M4F-RH4A-VT-SS-MN-K1 R Series Relief Valve
    4M4F-RH4A-VT-SS-MN-K1 Parker IVD R Series Relief Valve
    4M4F-RH4A-VT-SS-MN-K1

    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 = 0.41, Viton Seal, PTFE Back-up Ring, 316 Stainless Steel Body, 50 to 350 psig Cracking Pressure Range, Gray Spring, 6mm Connection Size, Manual...
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  • 4A-RH4A-BNT-SS R Series Relief Valve
    4A-RH4A-BNT-SS Parker IVD R Series Relief Valve
    4A-RH4A-BNT-SS

    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, 6mm Connection Size.
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