The NIBCO® brass swing check valve prevents backflow by automatically closing when fluid reverses direction. The check valve features solder end connections for easy installation. The NIBCO® brass 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 and residential applications. The NIBCO® check valve is backed by the NIBCO® 2-year limited warranty.