Piston Intake Relief Valve

Piston Intake Relief Valve

Piston Intake Relief Valve

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    Piston Intake Relief Valve

    The valve permits safe controlled flow to the intake pump and can also be used to draft. The Piston Intake Relief Valve is made of lightweight aluminum alloy and is hard anodized to fight corrosion problems created by stagnant water. This valve is complete with a 30° built in elbow permitting smoother water flow. The adjustable pressure relief valve is factory set at 100 psi and labelled with valve settings for your convenience. The retractable knob on the hand wheel is supplied with a stainless housing to avoid quick seizing. It is also supplied with an air bleed off. It is available with Storz or threaded connections. 

    • 280 psi working pressure without relief valve, 425 psi test pressure, 750 psi minimum burst pressure
    • 4.5"(114mm) waterway
    • Double spring, cartridge type, adjustable from 50 to 200 psi
    • Available in 4" (102mm), 5" (127mm) Storz x 4" (102mm)-6" (152mm) female swivel threaded inlets

    Description Weight Dimensions
    4" Storz to 4" Female Swivel 25 lb. 8"w x 17"h x 12"l
    4" Storz to 4.5" Female Swivel 25 lb. 8"w x 17"h x 12"l
    4" Storz to 5" Female Swivel 24 lb. 8"w x 17"h x 12"l
    4" Storz to 6" Female Swivel 24 lb. 8"w x 17"h x 12"l
    5" Storz to 4" Female Swivel 25.5 lb. 8"w x 17"h x 12"l
    5" Storz to 4.5" Female Swivel 25.5 lb. 8"w x 17"h x 12"l
    5" Storz to 5" Female Swivel 24.5 lb. 8"w x 17"h x 12"l
    5" Storz to 6" Female Swivel 24.5 lb. 8"w x 17"h x 12"l


    All measurements include handles.

    Specifications for Piston Intake Relief Valve

    Hose Side Threads 100mm (4") Storz or 125mm (5") Storz
    Pump Side Thread 150mm (6") NHT or 125mm (5") NHT or 100mm (4") NHT or 114mm (4.5") NHT