Description
This 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 PTFE disc, the check valve is recommended for steam service. This NIBCO Ring Check valve has solder 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 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
- 125 psi/8.6 bar saturated steam to 353°F/178°C
- 250 psi/17.2 bar non-shock cold working pressure
- In-line lift-type
- Spring actuated (1/2 psi cracking pressure)
- PTFE resilient seat disc
- Class 125 solder end connections
- Use in U.S. drinking water applications is prohibited after January 3, 2014
- Conforms to MSS SP-80
