VALVE ASSEMBLY AND LOCKOUT MECHANISM

A valve assembly (100) including a valve body (110) with an inlet port (112) and an outlet port (114), a flow passage (116) and a valve element (120) disposed within the flow passage, an actuator (130) and a lockout mechanism (150) configured to maintain the position of the valve assembly in a desired position including an opened position or a closed position. The lockout mechanism includes at least one lockout screw (153) contained in the valve assembly and self-storing therein.