这样做有必要以避免水锤或冲击损坏。
活塞型的水锤消除器应该可以接近或设检查口。
The piston type unit should be accessible or be provided with an access panel.
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.
介绍了新型止回阀的防水锤结构特性和装配方法。
Introducing the structure characteristic with resistance hammer and assembly method of new type check valve.
水锤消除器可以吸收水锤撞击和减少拍打的噪音。
A water hammer arrester will absorb the shock and minimize the slam noise.
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.
水压预测分别在刚性水锤及弹性锤两种情况下进行。
The water pressure is predicted according to the rigid water hammer or the elastic water hammer.
同时，提出了利用水锤波动激振的新型液压激振方式。
Furthermore, a new hydraulic exciting method by using water hammer fluctuations was suggested.
采用304不锈钢，全焊接管路设计，避免水锤现象。
Adopt 304 stainless steels, Fully soldering patent pipe lines designed, averting hammer occurrence.
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.
水轮机的GAHC克服了水锤效应对稳定性的危害作用。
The harmfulness to the generator stability of water hammer effect is overcome by the GAHC.
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.
水锤的定义是指当液体突然改变速度时会产生一个力的作用。
The definition of water hammer is the force that is created when a liquid suddenly changes velocity.
适用于关闭水流。不会出现振动或产生水锤。操作顺利宁静。
Designed to close against the flow. Will not chatter or produce water hammer. Operates smoothly and quietly.
然后，安装型号适当的水锤消除器才能纠正水锤撞击的条件。
After this has been accomplished a properly sized water hammer arrester will rectify the shock condition.
文中通过数值计算分析了这种局部管材突变对水锤防护的影响。
An analysis of the effects of great material change of some pipes on water hammer prevention is made by a numerical calculation.
既适用于液体介质的水锤计算，也适用于可压汽体的汽锤计算。
The principles can be applied either in the calculation of water hammer in liquid or in the calculation of steam hammer in compressible fluid.
分析研究了水锤波速调整对机组导叶关闭规律优化选择计算的影响。
The effect of wave velocity adjustment of water hammer on calculation for optimal choosing of the wicket gates closure and opening law types of unit is analysing.
建立了下开式水锤消除器在泵系统水力过渡过程计算中的数学模型。
A mathematical model of water hammer arrester with the lower open type in calculating the hydraulic transient in the pump systems is established.
海上油气生产设施消防喷淋管线，在喷淋阀突然关闭时会产生水锤效应。
When the deluge valve installed on the offshore oil and gas production facility fire water system is suddenly closed, the deluge distribution piping will generate water hammer effect.
本文针对磨盘山重力流输水工程水锤方程用小波有限元法进行数值计算。
This article, aiming at Mopan Mountain Gravity Flow water Transfer Project water hammer equation, numerical simulates water hammer equation with wavelet finite element method.
最大的移动是由水锤撞击引起的，它可以用安装水锤消除器的办法来控制。
The greatest movement is caused by shock which can be controlled by the installation of water hammer arresters.
由于阀瓣的关闭行程缩短及弹簧作用可加速关闭效果，减少水锤及水击声。
The disc's shutoff stroke is very short and under the effect of the spring, the valve can close quickly and prevent the big noise from water-hammering.
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.
干管移动是由于水锤撞击的缘故，也有一部分是由于水流在管道中流动引起的。
The movement in piping mains is caused by shock and partially by the flow of water through the mains.
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.
结合工程实例对长距离输水工程中的系统设计、管材选择、水锤防护等方面进行了阐述。
Combined with engineering example, long distance water conveyance engineering is described from the aspects of system design, choice of tubing and anti-water hammer.
介绍了舰载设备双波冲击试验机正波发生系统的基本结构，对系统中水锤现象进行了分析。
This paper introduces the structure of the positive-wave system of the naval dual-wave shock test machine and analyses the water-hammer phenomena in the system.
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.
事故停泵时，如果没有合理可靠的水锤防护措施，这类输水系统很可能发生破坏性的水锤事故。
Pumping accidents, if there is no reasonable and reliable water hammer protection, water supply system is likely to occur such destructive water hammer incidents.
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