Water Hammer Prevention Valve and Method
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United States of America Patent
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Issued Date -
Sep 17, 2020
app pub date -
Jun 2, 2020
filing date -
Feb 13, 2018
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Abstract
A valve for preventing water hammer includes a speed reduction device for reducing a speed at which the valve may be closed. A method of preventing water hammer includes closing a valve at a fire hydrant after extracting water from the fire hydrant, in which the valve comprising a speed reduction device that increases an amount of time needed for closing the valve, and operating the valve to close the valve comprises operating the speed reduction device.
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