水锤压力（surge pressure）指的是管道系统由于水流状态（流速）突然变化而产生的瞬时压力。
阀瓣采用弹簧加载，其快速关闭能有效的减小水锤压力，密封性能好，关闭无噪声。
The valve petal USES the spring to load, its quick closedown can effective reduce the hammer pressure, the sealing property is good, the closure does not have the noise.
持续30分钟1.5倍的最大静压与水锤压力下，对入口阀(带打开和关闭盘)的静水压试验。
Hydrostatic pressure testing of the inlet valves (with open and closed disc) under a pressure of 1, 5 times the maximum static pressure plus water hammer for 30 minutes.
并引起很高的水锤压力，造成管道及膜元件损坏。分析了超滤系统出现关阀水锤及停泵水锤的成因，提出相应的防护措施。
The water hammers due to closing valve or stopping pump in the UF system was analyzed. The corresponding preventive measures are put forward.
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