Stop Valve 3D model

Definition of stop valve : a valve closed or opened at will (as by hand) for preventing or regulating flow (as of a liquid in a pipe) specifically : the valve in an engine steam pipe for controlling or checking the passage of steam. Its function is to regulate the steam supply from the boiler to the steam line. Its casing has an L-shaped steam flow passage. It consists of a valve and valve seat to stop or allow the steam flow.