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By certification 
Flanged ductile iron gate valve for use in the hot and cold water, HVAC, steam and gas provides full flow with minimal pressure drop. Flanged ductile iron gate valve shows high physical properties for its ductility. The flanged ductile iron gate valve is provided with flanged end connections for easy accessibility. When a quick visual indicator of open/closed position and positive shutoff is required,OS&Y gate valves are the best choice.
Specifications:
- Structure:Outside screw and yoke,Bolted bonnet,Solid wedge,Iron body bronze mounted (IBBM)
- Connection:raised face flanged end
- Standard: MSS SP-128
-Size range: 2” to 12”
- 150 psi/10.3 bar saturated steam to 366°F/185°C
- 250 psi/17.2 bar non-shock cold working pressure
