actually a globe valve. The internal structure of a valve,
a seating surface and therefore shuts off the flow of
not the external shape, is what distinguishes one type of
fluid. When the disk is removed from the seating
valve from another.
surface, fluid can pass through the valve in either
direction. Globe valves may be used partially open as
In a globe-type stop valve, the disk is attached to
well as fully open or fully closed.
the valve stem. The disk scats against a seating ring or