When closing the valve against cylinder pressure, about 60%of the closing force goes toward pushing the diaphragms down, while only 40% of the force is transmitted to the seat.
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美
- 当在钢瓶压力下关闭阀门时,关闭力量的大约60%25向下克服气体压力,而只有40%25的力传递到阀座。