• Check Valve - 3% Nickel Iron Body, Stainless Steel Trim, F-918-13

    The NIBCO® check valve is equipped with a bolted bonnet for maintenance accessibility. Swing checks may be installed in horizontal positions (or vertical with flow moving up). The 3% nickel iron and the stainless steel trim provide excellent corrosion resistance for the tough applications of the pulp and paper industry. 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 and industrial applications. NIBCO® check valves are backed by the NIBCO 5-year 125% limited warranty.

  • Check Valve - Class 150, Ductile Iron, F-938-31

    With its ductility, the valve displays higher physical properties than standard grey cast iron. Swing checks may be installed in horizontal positions (or vertical with flow moving up). 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 and industrial applications. NIBCO® check valves are backed by the NIBCO 5-year 125% limited warranty.

  • Check Valve - Class 150, Stainless Steel Trim, F-938-33

    Swing checks may be installed in horizontal positions (or vertical with flow moving up). With its ductility, the valve displays higher physical properties than standard grey cast iron. 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 and industrial applications. NIBCO® check valves are backed by the NIBCO 5-year 125% limited warranty.

  • Check Valve - Lead-Free*, Class 125, Iron Body, Buna-N Seat, W-910-W-LF

    The NIBCO® cast iron sliding disc check valve is wafer style to fit between standard flanges. Wafer checks may be installed in horizontal positions (or vertical with flow moving up). 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 and industrial applications. NIBCO® valves are backed by the NIBCO 5-year 125% limited warranty.

  • Check Valve - Lead-Free*, Iron, Fire Protection, Wafer Style, KW-900-W-LF

    Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for commercial and industrial water applications only. Wafer checks may be installed in horizontal positions (or vertical with flow moving up). 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 and industrial applications. NIBCO® check valves are backed by the NIBCO 5-year 125% limited warranty.