Definition of water hammer in English:

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water hammer


[mass noun]
A knocking noise in a water pipe that occurs when a tap is turned off briskly: a paddle fitted to the arm of the ball valve will also prevent water hammer
More example sentences
  • The sprinkler's closed-case design protects internal parts from debris contamination, while a steady piston valve guards against water hammer, pressure spikes and damage to the overall system.
  • If eliminating water hammer from an older house, locating the offending valve or faucet and installing a water arrester at that location is one solution.
  • Since installation I have had water hammer when the pump shuts off.
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