The NIBCO® bronze Ring Check® valve is uniquely designed with an in-line, spring assisted self-closing disc. The lift check valve prevents backflow by automatically closing when fluid reverses direction. With a Buna-N disc, the check valve is recommended for water, oil or gas service.The NIBCO® Ring Check® valve has threaded end connections for ease of installation. This check valve 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® valves for the most specified, versatile and economical valve option in commercial and residential applications. NIBCO® specialty valves are backed by a NIBCO INC. 2-year limited warranty.
- Valve pressure rating 200 psi/14 bar non-shock cold working pressure
- Maximum temperature 180°F/82.2°C
- In-line lift-type
- Spring actuated
- Dezincification resistant
- Buna-N resilient seat disc
- FIPT threaded end connections