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    The twin disc check valve is grooved end style. Grooved silent check valves may be installed in horizontal positions (or vertical with flow moving up). This valve is listed by Underwriters Laboratories of the US and Canada (UL/ULC). Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® check valves, for the most specified, versatile and economical valve option in commercial, mechanical, fire protection and industrial applications. NIBCO® check valves are backed by the NIBCO 5-year 125% limited warranty.
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    Items
    Check Valve - Iron, Fire Protection, Grooved, KG-900-W-350

    KG-900-W-350-LF - Check Valve - Iron, Fire Protection, Grooved
    Check Valve - Iron, Fire Protection, Grooved, KG-900-W-350

    KG-900-W-350-LF - Check Valve - Iron, Fire Protection, Grooved
    Check Valve - Iron, Fire Protection, Grooved, KG-900-W-350

    KG-900-W-350-LF - Check Valve - Iron, Fire Protection, Grooved
    Check Valve - Iron, Fire Protection, Grooved, KG-900-W-350

    KG-900-W-350-LF - Check Valve - Iron, Fire Protection, Grooved
    Check Valve - Iron, Fire Protection, Grooved, KG-900-W-350

    KG-900-W-350-LF - Check Valve - Iron, Fire Protection, Grooved
    UPC Code N/A 039923358462 N/A 039923358479 N/A 039923358486 N/A 039923358493 N/A 039923358509
    Valve Size N/A 2 1/2 N/A 3 N/A 4 N/A 6 N/A 8
    Connection Type N/A G - Grooved
    Material N/A Cast Iron
    Description N/A KG900W350-LF 21/2 GRV CK 350PSI UL ONLY N/A KG900W350-LF 3 GRV CK 350PSI UL ONLY N/A KG900W350-LF 4 GRV CK 350PSI UL ONLY N/A KG900W350-LF 6 GRV CK 350PSI UL ONLY N/A KG900W350-LF 8 GRV CK 350PSI UL ONLY
    Turns/Operation N/A Non-Manual
    Weight N/A 4.5 lb N/A 7.300 lb N/A 8.600 lb N/A 18.000 lb N/A 30.000 lb