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    Adjustable Spring Check Valve, 1-1/2" Size, 3.5-50 lbs. Opening Pressure, 6-3/16" Body Length

    Adjustable spring check foot valves are used in a variety of systems where back flow is not desired and where a greater opening pressure is needed. Common applications include industrial plumbing, elevated irrigation lines, swimming pools, spas, and more. These 1-1/2" adjustable PVC check valves offer a lightweight yet durable option for dependable valve performance in almost any system. Valves feature a tough PVC body with an adjustable stainless-steel spring (factory set at 5 PSI). To loosen and lower spring tension, simply turn the octagonal stem counterclockwise to reach desired opening pressure setting. Pressure adjustments are a ratio of 1-1/2 turn per 1 lb. pressure. PVC adjustable spring check valves can retain a column of water with 12' to 36' head.

    Technical Specs:
    • Type: Spring Check Valve
    • Style: Adjustable Spring
    • Port Size: 1-1/2"
    • Body Length: 6-3/16"
    • Body Material: PVC
    • Seal Material: EPDM
    • Connection Type: 1-1/2" FPT
    • Opening Pressure: 3.5 – 50 lbs.
    • Max Working Pressure: 200 PSI at 72° F
    • Max Temperature Rating: 140® F

    $48.00 / EA
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