MANUALLY ACTUATED DIAPHRAGM VALVE WITH LOCKOUT FEATURE FOR OPEN AND CLOSED POSITIONS

摘要

A manually actuated valve comprising a valve casing having an inlet and an outlet, and an actuator having an open position wherein the inlet and outlet are connected and a closed position wherein the inlet and the outlet are isolated. The valve has a handle movable between a first position and a second position, the handle controlling operation of the actuator. The valve further includes a member on the valve casing for receiving a locking member that maintains the handle in at least one of the first position and second position.