When in work, the control system automatically opens or closes the gate of the electric flashboard valve according to the signals sent by the material level meters.
工作时，控制系统根据料位仪传来的信号自动开启或关闭电动闸板阀闸口。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc updown to make the valve opened or closed.
CCD电动超高真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
CCD electric ultra-high vacuum gate valve USES electric device to drive the stem, moving valve disc up and down to make the valve opened or closed.
真空插板阀是通过电动装置驱动阀杆带动阀板作上下运动，达到阀门的开启或关闭。
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