A factory in the United States purchased TWS Valve Factory Double flange concentric butterfly valve
Case brief
Project Name: A factory in the United States purchased double flange but...
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 ...
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There are many types of valves, but the basic function is the same, that is, to connect or cut off the medium flow. Therefore, the sealing problem of the valve is very prominent.
To ensure t...