The process of operating the valve is also the process of inspecting and handling the valve. However, the following matters should be paid attention to when operating the valve.
①High temperature v...
The gate valve is a relatively common general valve with a wide range of uses. It is mainly used in water conservancy, metallurgy and other industries. Its extensive use performance has been recogn...
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 check valve designed, manufactured, produced and tested according to the American standard is called the American standard check valve, so what is the standard size of the American standard che...
The sealing performance of the valve is one of the main indexes to evaluate the valve quality. The sealing performance of the valve mainly includes two aspects, namely, internal leakage and externa...
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...
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