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. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Nowadays we received an order for the DN2400 Eccenctric Butterfly Valves, Now the valves are finished. The Eccentric butterfly valves are with the Rotork Worm Gear,The valves are now finished assmb...
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...
TWS Air Release Valves have been very popular. The air release valve adopts advanced technology, has the characteristics of rapid exhaust and good stability. It can effectively prevent the gas accu...
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...