Nibco, NHDX00H, F-908-W Check Valve, Iron, Fire Protection, Horizontal Swing, 4"
The NIBCO flanged cast iron horizontal swing check valve is designed with renewable seat and disc. Swing check valves prevent backflow by automatically closing when fluid reverses direction. This valve is generally installed between the Siamese connections and the riser to prevent backflow. The check valve is recommended for automatic fire sprinkler systems and is UL/ULC listed and FM approved.
The cast iron check valve features flanged end connections for easy installation. The swing check valve includes a renewable rubber disc and bronze seat ring. Swing checks may be installed in horizontal positions (or vertical with flow moving up). The check valve is recommended for automatic fire sprinkler systems and is UL/ULC listed and FM approved. Choose NIBCO check valves, for the most specified, versatile and economical valve option in commercial, mechanical, fire protection and industrial applications.
Features:
- Class 125 flanged end connections
- 175 psi/12.1 bar non-shock water working pressure (WWP)
- Iron body, bronze mounted trim (IBBM)
- Bolted bonnet
- Renewable seat and disc
- All sizes tapped 3/4" at location "C" for ball drip assembly
- Flanged end connections
- Use in U.S. drinking water applications is prohibited after January 3, 2014
- Conforms to MSS SP-71
- Listed by Underwriters Laboratories of U.S. and Canada (UL/ULC)
- FM Approved
- Approved by New York City BSA 143-69-SA
