G-920-W Twin Disc Check Valve Class 250, Cast Iron, Silent, Grooved

G920W TWIN DISC GROOVE

Material Description - G920W TWIN DISC GROOVED CK CI
 Valve Type 28/IRON SILENT CHECK
 NIBCO Bronze and Iron ValvesD CK CI

The NIBCO® cast iron, spring actuated silent check valve reduces noise for quiet operation. The twin disc check valve is grooved end style. Check valves prevent backflow by automatically closing when fluid reverses direction. The check valve is recommended for commercial and industrial water applications only.

The check valve includes renewable bronze discs. Grooved silent check valves 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.

250 psi/17.2 bar non-shock cold working pressure
Max temperature 180°F/82°C
Spring actuated (1/2 psi cracking pressure)
Renewable bronze disc
Buna-N seat
To be installed between standard flat face flanges
Grooved end connections
Conforms to ANSI/AWWA C606 for steel IPS pipe
Size range 2" to 12"