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Water hammer has the potential to cause significant damage to pumping systems.
Most in the pumping industry have a tale to tell about burst or collapsed pipes, or broken or damaged valves, pressure gauges and even pumps. Solving the water hammer problem requires either mitigating its effects or preventing its occurrence altogether. To this end, there are a number of solutions to consider when designing a pumping system, including electronic motor control.
Electronic motor control devices such as soft starters and variable frequency drives can be used to control the speed of the pump during starting and stopping. This allows for a more gradual increase or decrease in pump speed, preventing water column separation, flow reversal and sudden check valve closure – a few of the primary causes of water hammer.
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