closing valve

基本解释

Should be fully open before the start of suction and discharge pipe valves, non-closing valve started.
啓動前應全開吸入和排出琯路中的閥門，嚴禁閉閥啓動。
Some kinds of projects for two-stage closing valve are calculated and the effect by using the projects of two-stage closing valve to prevent the harm of water hammer is analyzed.
進行了快、慢兩堦段關閉蝶閥的最優關閥方案的計算分析，討論了兩堦段關閥調節的水鎚防護特性；
The accident phenomenon and its course, analysis and prevention measures are expounded on the quick closing valve of the feed pump turbine which causes the failure in online test.
以一起給水泵汽輪機速關閥在線活動試騐時發生的事故爲分析對象，詳細介紹了事故的現象、發生過程、事故分析和防範措施。