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 ...
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...
3. Ball Valve
The ball valve evolved from the plug valve. Its opening and closing part is a sphere, and the sphere rotates 90°around the axis of the valve stem to achieve the purpose of opening and...
Tips for turning the heating valve on and off
For many families in the north, heating is not a new word, but an indispensable necessity for winter life. At present, there are many different functio...
Clean the pipeline of all contaminants.
Determine the direction of the fluid, torque as flow into the disc may generate higher torque than flow into the shaft side of the disc
Position disk in the...
As a pollution control enterprise, the most important task of a sewage treatment plant is to ensure that the effluent meets the standards. However, with the increasingly strict discharge standards ...
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