closing valve

基本解释

Should be fully open before the start of suction and discharge pipe valves, non-closing valve started.
启动前应全开吸入和排出管路中的阀门，严禁闭阀启动。
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.
进行了快、慢两阶段关闭蝶阀的最优关阀方案的计算分析，讨论了两阶段关阀调节的水锤防护特性；
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.
以一起给水泵汽轮机速关阀在线活动试验时发生的事故为分析对象，详细介绍了事故的现象、发生过程、事故分析和防范措施。