Sleeve valve (water)

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A sleeve valve is a device typically used in a water supply or distribution system when there is a need to reduce high pressure or throttle flow. The sleeve valve consists of a cylindrical gate (tube) which slides over an inner sleeve. The inner sleeve consists of a series of nozzles specifically sized and arranged to provide a solution to cavitation issues frequently encountered in throttling applications with other valve types. Because of its design, it minimizes cavitation. Cavitation that does occur in severe throttling conditions is directed from the valve down to center of the valve or pipe so that no erosion damage to the piping can take place.