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 ...
Rubber seated butterfly valve is a popular and widely used type of butterfly valve in various industries. It is known for its reliable performance and versatile applications. There are many types o...
Today we continue to talk about valve installation precautions:
Taboo 7
When pipe welding, the wrong mouth after the pipe is not on a center line, no gap in the pair, the thick wall pipe does not s...
For a long time, the general gate valve used in the market generally has water leakage or rust, the use of European high-tech rubber and valve manufacturing technology to produce the elastic seat s...
1. Why do pipelines need to be equipped with air release valve?
When pipes are filled with water, run, or drained, air can accumulate inside them. If it is not discharged, “air blockage”...
Gate valves and butterfly valves in the pipeline are used to play the role of switching, regulating flow. Of course, there is still a method in the selection process of butterfly valves and gate va...