Stop valve ( globe valve), also known as stop valve, belongs to forced sealing valve and is one of the most widely used valves. The stop valve relies on the pressure of the valve rod to make the sealing surface of the valve disc closely fit the sealing surface of the valve seat and prevent the flow of medium, because only one-way flow of medium is allowed.
The opening or closing stroke of the valve rod of the stop valve is relatively short, and has a reliable cutting function. At the same time, the change of the valve seat opening is in direct proportion to the stroke of the valve disc, which is suitable for the regulation of flow. Therefore, this type of valve is very suitable for cut-off or regulation and throttling.
Fluid closing is the main goal of gate valve, and flow throttling is the main goal of stop valve.
The fluid regulation capacity of the gate valve is poor and there is no Gate valves do not create a pressure drop in the pipeline, as do globe valves Stop valves open faster than gate valves.
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