through valve meaning in English

直通阀

Control through valves for refrigerant circuits , nominal pressure 25 bar
公称压力25巴的冷冻电路的控制直通阀
Before installation , check line of flow through valve so that valve will function properly
安装前，切断通过阀门的流体，以使阀门工作正常。
Before installation , check line of flow through valve so that valve will function properly
在安装前，检查流进阀门的管道，使得阀门能够运转自如。
Three links a triage valves entrance , the two exports , a medium through valves will be divided into two after the road
三通分流阀有一个入口，两个出口，将一种介质经过阀后分成两路。
In balancing valve upstream and downstream ends of the tube with a hole , used to measure the fluid through valves pressure reduction
在平衡阀的上游、下游端各装一个测压孔，用来测量流体通过阀门的压降。