What does the throttle stop valve mean?

Driven by the valve stem, the disc moves up and down along the axis of the sealing surface of the valve seat to realize the opening and closing of the valve. This valve is called a globe valve. Cut-off valve, also known as cut-off valve, is one of the widely used valves. It is popular because the sealing surface has low friction when opening and closing, is durable, has low opening height, is easy to manufacture and is convenient to maintain. It is not only suitable for medium and low pressure, but also suitable for high pressure.