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Check Valves

Check valves are essential devices used to prevent backflow in water systems, ensuring the efficient movement of water and maintaining optimal conditions for aquatic life. These valves automatically allow water to flow in one direction while blocking reverse flow, helping to maintain pressure and reduce the risk of contamination. Ideal for use in fish farms, hatcheries, and aquaponic systems, check valves contribute to system stability and water quality. 

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  1. Hayward SW Series swing check valve—PVC, CPVC, or GFPP with self-aligning clapper for reliable flow control

    Hayward SW Series Check Valves

    Starting at $1,230.50

    Introducing the SW Series swing check valves, available in PVC, CPVC, and GFPP materials with FPM or EPDM seals. With high temperature and pressure ratings, built-in flange seals, and a self-aligning clapper design, these valves provide reliable flow control and easy installation for various aquaculture applications.

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  2. Hayward WCV wafer check valve—PVC/CPVC design with high Cv rating and low closing pressure for efficient flow

    Hayward WCV Series Full Pattern Check Valves

    Starting at $356.00

    Introducing the new Full Pattern Wafer Check Valves in PVC and CPVC, offering a robust design and convenient installation without the need for special spacers or flanges. With a high Cv rating, reliable sealing performance, and lower closing pressure than swing check valves, these valves provide efficient flow control and are suitable for a range of applications.

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  3. SPEARS True Union check valve—compact design with EPDM seats and spring-loaded disc for reliable aquaculture flow

    SPEARS True Union Check Valves

    Starting at $39.66

    Spears True Union Check Valves are compact and high-performance valves designed specifically for Aquaculture applications. With a True Union design for easy in-line replacement and features like long-life EPDM elastomer seats, weighted disc, and positive-pressure spring, these valves ensure reliable flow control with minimal restriction and positive shutoff.

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  4. SPEARS Utility Check Valves

    SPEARS Utility Check Valves

    Starting at $28.91

    Introducing Spears Utility Swing Check Valves, the perfect choice for horizontal installations and suitable for up-flow only vertical positions. These valves must be installed with the valve's FLOW arrow pointing in the direction of the flow to ensure optimal performance.

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