What is a Gate valve?

A gate valve is a valve that closes a flow path by shutting off fluids such as liquids and gases with a disk (valve element). In general, "gate valve" and "sleuth valve" are treated as synonyms. A gate valve is defined in the JIS B0100 Glossary of terms for valves as "a general term for valves in which the valve body vertically partitions the fluid flow path to open and close, and the fluid flow is in a straight line." A gate valve is said to have come to be called a sluice because the disc (valve body) slides into the flow path to block it, much like a sluice gate.

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