The ensuing damage can be extensive, often entailing major replacement operations. Rupture results in local pipeline failure and can cause the entire system and other equipment to fail. Ruptured pipelines due to pressure spikes are especially expensive to repair. Smaller leaks may go unnoticed for quite some time, leaving surrounding equipment susceptible to damage. These leaks often start slowly, gradually increasing in intensity over time. Water hammer can damage fittings, joints, and connections, resulting in leaks. Repeated water hammer may also cause significant damage to pumps, existing valves, and instruments, lead to the catastrophic failure of gasketed joints and expansion joints, and affect the integrity of pipe walls and welded joints. The long-term effects of water hammer can include: Ignoring water hammer can ultimately result in the catastrophic failure of your flow system. These sudden stoppages of flow and the resulting increases in pressure from the shock waves can cause significant damage to the overall piping system either due to a singular event or be cumulative damage occurring over time. While it may look and sound harmless, the impact force on the valve – caused by the fluid’s momentum – can create pressure spikes that may exceed ten times the working pressure of the system.
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