Closed, 316-Epdm In the event of failure, these valves fail closed..2-1/2" Butterfly Valve, Actuated/Clamp Ends/Norm. Designed to create a leak-proof connection to clamp fitting when combined with a gasket and clamp.
In the event of failure, these valves fail opened. Open, 316-Silicone Designed to create a leak-proof connection to clamp fittings when combined with a gasket and clamp.