This problem has been successfully solved by adopting method to cutoff the path of shaft current, and preventive measures being further put forward.
采取断开轴电流通路的方法,成功解决了这一问题,并提出了进一步的防范措施。
2
Butterfly valve through the valve shaft rotation to drive the rotation of a disc-shaped disc, to open and close a valve, cutoff from the main pipe and throttle with.