controlling valve

基本解释

Speed Control Valves are available for controlling valve opening or closing speed with pneumatic actuators.
速度控制阀可以用来控制阀门气动执行器的开启或关闭速度。
Actuators are most commonly either electric or pneumatic and can be equipped with a variety of functions and accessories for controlling valve operation.
常见的执行机构是电动执行机构或气动执行机构，而且可以配置各种各样的功能和附件来实现各种阀门操作控制要求。
Electric actuator is an important equipment of driving and controlling valve, which plays important part in the field of realizing piping net automatization.
电动执行机构是驱动和控制阀门主要装置，在实现管网自动化控制中发挥重要作用。