NIBCO | Valves | Fire Protection | Fire Protection Check Valves

  • 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.

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    Check Valve - Grooved, Iron, Fire Protection

    Check Valve - Grooved, Iron, Fire Protection
    G-997
    • Valve pressure rating 300 psi/20.7 bar non-shock cold water, Ductile iron body, Spring actuated, Renewable disc, Drilled and tapped for ball drip outlet, Bronze seat, EPDM seat disc, Grooved end connections, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM Approved, AWWA C550 Epoxy Coating
    • Size range 2" to 12"


    Check Valve - Bronze, Fire Protection, Buna-N

    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, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to MSS SP-80
    • Size range 1/2" to 2"


    Check Valve - Iron, Fire Protection, Horizontal Swing

    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 3/4" at location "C" for ball drip assembly, Flanged end connections, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to MSS SP-71, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM Approved, Approved by New York City BSA 143-69-SA
    • Size range 2-1/2" to 12"


    Check Valve - Iron, Fire Protection, Reliable "G" Series

    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, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM Approved, Approved by New York City MEA 258-93-E
    • Size range 2-1/2" to 6"


    Check Valve - Iron, Fire Protection, Wafer Style

    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, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM Approved
    • Size range 2-1/2" to 16"


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

    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, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM Approved
    • Size range 2-1/2" to 12"


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

    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, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM Approved
    • Size range 2-1/2" to 12"


    Check Valve - Iron, Fire Protection, Grooved

    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, Use in U.S. drinking water applications is prohibited after January 3, 2014
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC)
    • Size range 2-1/2" to 10"


    Silent Check Valve - Lead-Free*, Iron Grooved, Fire Protection, Twin Disc

    Silent Check Valve - Lead-Free*, Iron Grooved, Fire Protection, Twin Disc
    KG-900-W-LF
    • Valve pressure rating 250 psi/17.2 bar non-shock cold working pressure, Spring actuated, Renewable discs, Grooved end connections, Lead-free*
    • Conforms to ANSI/AWWA C606 for steel IPS pipe, Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM approved, NSF/ANSI 61 and NSF/ANSI 372
    • Size range 2-1/2" to 12"


    Check Valve - Lead-Free*, Iron, Fire Protection, Wafer Style

    Check Valve - Lead-Free*, Iron, Fire Protection, Wafer Style
    KW-900-W-LF
    • Valve pressure rating 250 psi/17.2 bar non-shock cold working pressure, Spring actuated, Renewable discs, Rubber seat, Double door, To be installed between standard Class 125 flanges, Wafer connection, Lead-free*
    • Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC), FM approved, NSF/ANSI 61 and NSF/ANSI 372
    • Size range 2-1/2" to 16"