Valve Exerciser for an Emergency Shutoff Valve of a Steam Turbine and Method for Using the Same

摘要: An apparatus for exercising an emergency shutoff valve of a steam turbine and methods operating the same are disclosed herein. A cover exerciser mounts on top body through stroker bolt threadingly engaged with lever arm, stem is moved within passageway small amount so that aperture between inlet outlet not blocked, thereby permitting normal operation while exercised.