This NIBCO wafer style silent check valve is spring actuated with renewable bronze seat and disc. The spring return reduces noise for quiet operation. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for commercial and industrial water applications. This 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 check valves are backed by the NIBCO 5-year 125% limited warranty.Features 400 psi/27.6 bar non-shock cold working pressure Max temperature 180°F/82°C Renewable seat and disc Spring actuated (1/2 psi cracking pressure) Class 250 wafer end connections Use in U.S. drinking water applications is prohibited after January 3, 2014 Conforms to MSS SP-125
