Water hammer is a general term for pressure waves resulting from a sudden change in fluid velocity, such as during a valve closure or pump transient event.
Waterhammer is a serious safety issue for any high-production hydraulic facility. Your hydraulic piping system will continue to abnormally pulsate until it causes severe damage.
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Waterhammer (also called fluid hammer) is a pressure surge caused when a fluid in motion is suddenly forced to stop. The most common occurrence is when a valve closes at an end of a pipeline system. The sudden closure creates a pressure spike / wave 4-8 times the normal flowing pressure which leads to a vacuum condition within the pipe. Undiagnosed water hammer will cause major problems including burst pipes.
Which industries experience waterhammer? Liquid systems containing: