Duo-Chek® High Performance Non-Slam Check Valves

Duo-Check® high performance non-slam check valves are the original Mission Manufacturing Company wafer check valves introduced to the market in the late 50’s. The valve is available in the sizes, pressure classes and configurations required to meet the most demanding of applications. Our product range includes, but is not limited to:

    Brand: Duo-Chek®

    ASME Class: 125-4500

    Sizes: 2″-84″

    DN: 50-2100

    Materials: Cast Iron, Bronze, Carbon Steel, Stainless Steel, Alloy

    Connections: Wafer, Lugged, Flanged

    Standards: ASME, DIN, JIS, AS

    • Sizes: 2″ to 88″
    • ASME Pressure Class 125 through 2500
    • DIN, JIS, BS, AS, and ISO standards are also available
    • Water, lug, double flanged and extended body styles
    • Configurations available in retainered and retainerless style
    • Body Materials: Cast Iron, Carbon Steel, Stainless Steels, Duplex Stainless Steel, Super Duplex
    • Resilient Seat Materials: EPDM, Buna-N, Neoprene, and Viton-B
    • Integral and overlaid metal seats also available
    • End Connections: Raised Face, Plain Face, Ring Joint, Weld-End, Hub-End