stem valve meaning in English
杆阀
Examples
- Motor actuators for rising stem valves can be powered by air , gas , hydraulic or electric power
用于升降阀杆(明杆)阀门的马达执行机构可以采用空气、燃气、液体或电力作为动力。 - While they are more compact than rising stem valves , the stem threads are always exposed to flowing media , allowing for possible erosion / corrosion
这种结构形式比明杆更加紧凑，阀杆螺纹总是暴露在流体介质中，容易受到侵蚀或腐蚀。