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.
通过理论和解析方法讨论连接管较长时，其内水体惯性对调压井水锤压力和水位波动的影响。实例分析表明：连接管长度增加可使调压井水锤压力升高，水位波动幅值减小。
Based on analytical method, the paper shows that raising the length of a riser can elevate the water-hammer pressure and reduce the fluctuation of water level effectively in surge tank.
水锤会产生巨大的压力冲击波，破坏管道，垫圈和阀门。
Water hammer forces can create extremely large pressure waves that can damage piping, piping gaskets and valves.
利用介质自身的压力，控制并具有延时关闭功能，从而消除或缓解水锤的智能型止回阀。
The valve use medium pressure of its own, control and turn off with a delay function to eliminate or alleviate the water hammer.
迅速关闭阀门，水锤或供应压力波动可能导致间歇性排放。
Quick closing valves, water hammer or supply pressure fluctuations can cause intermittent discharge.
过于严重的反压力、冰冻或水锤扭曲了第二止回阀。
Excessive back pressure, freezing, or water hammer has distorted the second check.
介绍了大战场泵站的基本情况，对该泵站由于事故停泵水锤造成压力管道破坏的现场进行了调查。
An introduction of the Dazhanchang pumping station and an investigation of the broken pressure pipes caused by pumping accident in the pumping station are presented.
同时调压池具有调节压力、流量及防水锤等功能。
Meanwhile, the pressure regulating pool has multi-function of pressure, discharge regulating, and water hammer preventing.
压力水系统中设置气压式调压室是防护水锤事故的、新的、经济有效的措施。
Installing air surge tank in pressure water system is a new and economically efficient measure to prevent water hammer accident.
因此，要使用电站实测水质的临界空化压力值来作为判断发生断流反水锤的临界压力。
So that the critical cavitation pressure for judging the happening of reverse water hammer in hydropower station must according to the real evaporation pressure measured from the water in prototype.
[5]张健丽。水锤计算模型对管路压力过渡计算结果的影响研究[D]。西安：长安大学， 2012。
ZHANG Jianli. Study on Water Hammer Computation Model Influence on the Computational Results of Hydraulic Transition [D]. Xi'an: Changan University, 2012.
[5]张健丽。水锤计算模型对管路压力过渡计算结果的影响研究[D]。西安：长安大学， 2012。
ZHANG Jianli. Study on Water Hammer Computation Model Influence on the Computational Results of Hydraulic Transition [D]. Xi'an: Changan University, 2012.
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