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In the daily use of butterfly valves, various failures are often encountered. The leakage of the valve body and bonnet of the butterfly valve is one of the many failures. What is the reason for thi...
Butterfly valve refers to the closing part (valve disc or butterfly plate) as a disc, around the valve shaft rotation to reach the opening and closing of a valve, in the pipe mainly cut off and thr...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...
1. What is the fundamental difference between soft seal butterfly valve and hard seal butterfly valve?
The sealing ring material is different. The sealing pair of a soft-sealing butterfly valve is ...
The center line butterfly valve adopts the center line sealing structure, and the butterfly plate sealing center line of the butterfly valve is consistent with the center line of the valve body and...