The baffle has an opening that’s vacuum-packed with a flat plugin or a disk that’s pushed down in the chair or opening parallel to the pipe to break the flow within the pipe. Away from the pipe, a structure identified as a bonnet retains a stem that’s joined to the disk.
At the upper portion of the bonnet is the hand wheel that’s used by one’s self to twist down the stem like the disk in its end till the disk seals itself touching the seat opening. Learn more about valves and their specifications on Foot Valve Specification (in Thai ฟุตวาล์ว).
When a globe valve is used in large businesses, it may be closed through the use of a pneumatic, electric or hydraulic actuator as opposed to a manual hand wheel.
These devices are sometimes mentioned as throttle valves because of how these can restrict the flow within the pipe. Space by which the liquid can flow is reduced if the sealing disk is relocated halfway visiting the seat opening thus limiting the flow. Water pipes are mostly fitted with these kinds of the valve so that the operator can regulate the water flow within the pipe by opening the valve partially or fully opening it.
This valve is also installed to shut with or contrary to the liquid flow. When the liquid flows in the similar path that the disk is closing, the flow will help in closing the seal but leaves the opening harder.