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    Adjustable Spring Check Valve, 1/2" Size, 2-5 lbs. Opening Pressure, 4-1/8" 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 1/2" 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 (Factory Set at 5 PSI) 1-1/2 Turn+1 lb. Pressure Adjustment
    • Port Size: 1/2"
    • Body Length: 4-1/8"
    • Body Material: PVC
    • Seal Material: EPDM
    • Connection Type: 1/2" FPT
    • Opening Pressure: 2 – 5 lbs.
    • Max Working Pressure: 200 PSI at 72° F
    • Max Temperature Rating: 140® F

    • 10% on 20
    $23.60 / EA
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