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 PTFE disc, the check valve is recommended for steam service.
In-line lift-type
Spring actuated (1/2 psi cracking pressure)
PTFE resilient seat disc
Class 125 threaded end connections
Use in U.S. drinking water applications is prohibited after January 3, 2014
Conforms to MSS SP-80