NAC445A.66575. “Water hammer” defined.

Latest version.

“Water hammer” means a potentially damaging slam, bang or shudder that occurs in a pipe when a sudden change in water velocity, usually caused by the rapid starting or stopping of a pump or opening or closing of a valve, creates a great increase in the pressure of water.

(Added to NAC by Bd. of Health, eff. 2-20-97)

                    
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