Patent ID: 7083157
Filing Date: 2006-08-01
Classification: F16K

Abstract:
1. A valve apparatus for controlling fluid flow comprising: a valve body having a fluid chamber disposed therein and including a fluid inlet and a fluid outlet in communication with the fluid chamber; a poppet assembly movably disposed within the fluid chamber and including a poppet head that is interposed between the fluid inlet and the fluid outlet; a valve seat disposed within the fluid chamber and interposed between the fluid inlet and the fluid outlet to control the flow of fluid through the fluid chamber by placement of the poppet head thereagainst; an actuator attached to the poppet assembly to move the poppet head within the fluid chamber relative to the valve seat; and a lock-out mechanism connected with the actuator for placing the valve apparatus into a closed position with the poppet head positioned against the valve seat, the lock-out mechanism comprising: