Gas pressure may slowly build in the closed valve cavity, or quite rapidly in the reactive case. There are confirmed reports of ball valve structural failures.
气体压力可能会在封闭的阀腔内慢慢积累，或者在反应情况下相当迅速地积累，这是就极可能产生阀门故障。
At the moment, the ball floating inside valve cavity will up and down along with the level of the condensed water, and with capability of continuously discharging condensed water.
这时阀腔内的浮球随凝结水液位的高低而升降，能连续的排放凝结水。
The drain valve is opened or closed by taking advantage of the change of liquid level of condensate water with the high-precision grinding stainless steel hollow float ball in the valve cavity.
利用高精度研磨不锈钢空心浮球在阀腔内随着凝结水的液位变化开启或关闭阀门。
The same force tends to reduce the seal on the pressure side with the result that bonnet cavity and the valve stem packing are nearly always subjected to maximum pipeline pressure.
而压力侧以相同的力削弱了密封，这样使阀盖腔室和阀杆填料几乎总是承受最大管道压力。
Through the new structure of adding feedback cavity on valve core, adjustment windage is less than 10 percent.
通过这样的新型结构——在阀芯上增加反馈腔，使其调压偏差不超过10%。
Vent the piping and test valve body cavity to remove air or steam.
排放管道和试验阀门体腔内的空气或蒸汽。
The example seen here is a "tension" pneumothorax shifting the mediastinum, because a "ball-valve" air leak is increasing the air in the right chest cavity.
图为张力性气胸，因呼吸时活瓣样的结构使气体漏入到胸膜腔的越来越多，纵膈移位。
Automatic IC removal of the high pressure in the internal cavity when the valve is about to close see the working principle diagram for the details so as to ensure safety.
阀门关闭时能自动卸掉内腔高压(详见工作原理图)，保证使用安全。
When the valve is fully open, flow capacity is big, pressure loss is small, and the medium would not deposit in the body cavity.
全开时阀门流通量能力大，压力损失小，且介质不会沉积在阀体中腔。
Flowing capability is big and the flow resistance is little. When the valve opening, the valve core is located inside ball cavity and the flow route is straight tube.
流通能力大、流阻小。这是因为开启后阀芯位于藏球室内，阀体流道呈直筒式。
A fixed height tension rib is arranged in the buffering damping cavity, and the edge is provided with a fluid fill-discharge valve.
它是在缓冲减震腔内设置了定高拉筋，边沿设置了流体充排阀。
The pressure of the positive pressure cavity is maintained by an air compressor and a vacuum and regulated by the corresponding adjusting valve.
正负压腔的压力由空压机和真空泵维持并由相应的调节阀调节。
The ball valve before the valve can be closed after the valve seat, the so-called two-way sealing characteristics, the use of built-in discharge valve, the valve body cavity may be out emissions.
该球阀阀前、阀后阀座都能密封，即所谓双向密封特性，利用自带的排放阀，阀体中腔可向外排放。
A new technique is described for safety-valve on-line testing in which out-source gas is introduced into the cavity enclosed by the valve plug and rupture disk.
介绍了一种利用外接气源，向安全阀瓣与爆破片形成的隔离腔内直接充压，对安全阀进行在线检测的方法。
The valve is suitable for preventing an inner pressure within the body channel or cavity to exceed a threshold value.
所述阀适于防止身体通道或体腔的内部压力超过临界值。
The valve is suitable for preventing an inner pressure within the body channel or cavity to exceed a threshold value.
所述阀适于防止身体通道或体腔的内部压力超过临界值。
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