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  • Fire Protection Check Valves

     Iron UL/FM check valves are for backflow prevention. Typical service is for in-line fire protection backflow prevention. As a standard, NIBCO iron fire protection valves are made to the highest quality standards in the industry.

  • Check Valve – Iron, Fire Protection, Horizontal Swing

    F-908-W

    • Class 125 flanged end connections, 175 psi/12.1 bar non-shock water working pressure (WWP), Iron body, bronze mounted trim (IBBM), Bolted bonnet, Renewable seat and disc, All sizes tapped ¾” at location “C” for ball drip assembly, Flanged end connections
    • Conforms to MSS SP-71, Listed by Underwriters Laboratories of US and Canada (UL/ULC), FM Approved, Approved by New York City BSA 143-69-SA
    • Size range 2½” to 12”

    Check Valve – Iron, Fire Protection, Horizontal Swing

    Check Valve – Iron, Fire Protection, Reliable “G” Series

    G-917-W

    • 250 psi/17.2 bar non-shock water working pressure (WWP), Spring actuated, Renewable disc, Drilled and tapped for ball drip outlet, Bronze seat, Stainless steel disc, EPDM seal, Grooved end connections
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of US and Canada (UL/ULC), FM Approved, Approved by New York City MEA 258-93-E
    • Size range 2½” to 6”

    Check Valve – Iron, Fire Protection, Reliable “G” Series

    Silent Check Valve – Iron Grooved, Fire Protection, Twin Disc

    KG-900-W

    • 250 psi/17.2 bar non-shock water working pressure (WWP), Spring actuated, Renewable disc, Grooved end connections
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of US and Canada (UL/ULC), FM Approved
    • Size range 2½” to 12”

    Silent Check Valve – Iron Grooved, Fire Protection, Twin Disc

    Check Valve – Iron, Fire Protection, Grooved

    KG-900-W-350

    • 350 psi/24.1 bar non-shock water working pressure (WWP) UL, Spring actuated, Bronze disc, Renewable disc, Grooved end connections
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of US and Canada (UL/ULC)
    • Size range 2½” to 12”

    Check Valve – Iron, Fire Protection, Grooved

    Check Valve – Bronze, Fire Protection, Buna-N

    KT-403-W

    • 200 psi/13.8 bar non-shock water working pressure (WWP), Y-pattern, Renewable disc, Regrindable seat, Class 125 threaded end connections
    • Conforms to MSS SP-80
    • Size range ¼” to 1½”

    Check Valve – Bronze, Fire Protection, Buna-N

    Check Valve – Iron, Fire Protection, Wafer Style

    KW-900-W

    • 250 psi/17.2 bar non-shock water working pressure (WWP), Spring actuated, Renewable disc, Rubber seat, Double door, To be installed between standard Class 125 flanges, Wafer connection
    • Listed by Underwriters Laboratories of US and Canada (UL/ULC), FM Approved
    • Size range 2½” to 16”

    Check Valve – Iron, Fire Protection, Wafer Style

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  • 5 year 125% warranty