The NIBCO® cast iron check valve features flanged end connections for easy installation. It is equipped with a bolted bonnet for maintenance accessibility. 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 backed by the NIBCO® 5 years 125% limited warranty.