If the vibration is caused by the occurrence of shock in the piping system it can be avoided if a properly sized water hammer arrester is installed near the quick closure valve.
如果振动是由于管道中的水锤撞击而引起，在快速关闭阀附近安装型号合适的水锤消除器就能避免。
Under the flow for spool valve closure and relatively easy changes in fluid pressure and flow and less.
对于阀芯下流动，阀门相对地容易关闭而且流体压力和流量变化和少。
The valve has the two control loops for normal regulation and emergency closure respectively.
此阀有两个控制回路，分别用于正常调节和紧急关闭。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
旋启式止回阀压降最小，能够完全自动关闭，即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
This is because the torque caused by the closure of the valve.
这是考虑到阀门的关闭力矩所致。
To maintain the spool in the head and valve seat rings for tight closure is important.
保持阀芯头与阀座环对中，对于严密关闭是重要的。
If the valve body material can be welded, but very different thermal expansion coefficient, or changes in operating temperature range of a larger thread junction closure weld must be honey.
如果阀体的材料是可以焊接的，但膨胀系数差异很大，或者工作温度的变化幅度范围较大，螺纹连接部必须进行蜜封焊。
These warty vegetations average only a few millimeters and form along the line of valve closure over areas of endocardial inflammation.
这些疣状赘生物平均仅几个毫米，沿着心内膜炎症区上的瓣膜闭锁缘形成。
The second step is to select the closure may be required to meet the speed of the check valve type.
第二步是选择可能满足所需要的关闭速度的止回阀类型。
The high pressure around the valve off, fluid pressure to promote the closure of parts moving down, close the valve.
断电时，辅阀利用弹簧力或介质压力推动关闭件，向下移动便阀门关闭。
Staff has recommended the temporary closure of the pool on the water users valve so when the next meter reading pay attention to pooled water situation.
工作人员已建议用户暂时关闭水池上水管阀门，等下期抄表时，留意公摊水量情况。
A soft seat in the check valve will then assure a quiet closure.
止回阀的柔性阀座可使阀门安静地关闭。
Reverse left ventricular remodeling has an additive role in correcting mitral valve closure, they conclude.
反响左心室重构在纠正二尖瓣闭合方面也具有价值。
The calculated results for the approximation of valve closure problems show good agreement with that obtained by method of characteristics.
数值计算表明对单根等截面圆管阀门关断问题的计算结果与特征线方法计算结果吻合。
To ensure tight closure, and the valve seat valve sealing surface of the ground.
为了保证关闭严密，阀瓣与阀座密封面进行的研磨。
As long as the valve closure effect is good, when the pressure, high pressure cut-off valve is closed, the back-end pressure volume smaller, pressure.
只要阀门关闭效果良好，保压时，高压截止阀关闭，后端压力容积变小，压力增大。
Reversed flow is stopped or held in "check" by fluid backflow pressure which seats the closure device against the valve body.
倒流的流体通过倒流的流体压力将止回关闭装置与阀体紧密密封，从而实现阻止倒流的“止回”功能。
Metal cock ring soft seat surface pressure to the bearing surfaces, such as the valve core and valve seat is concentric ring surface can be a double tight closure.
金属旋塞表面压向阀座环软支座表面，如阀芯和阀座环表面是同心的，就能得到双重严密的关闭。
The small verrucous vegetations seen along the closure line of this mitral valve are associated with acute rheumatic fever.
沿着二尖瓣的闭锁缘可见一些小的疣状赘生物，它们与急性风湿热相关。
Some problems with the compressor motor, compressor suction, exhaust valve closure lax and thermal protection should be taken to replace the failed approach.
压缩机电机部分出现问题、压缩机吸、排气阀关闭不严和热保护器故障应采取更换的办法。
It is indicated that the end valve-closure water hammer is the main problem which influencing the system safety.
对重力有压输水系统的水锤特点进行了分析，指出末端关阀水锤是影响系统安全运行的主要问题。
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.
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.
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。
应用推荐