1. Valve selection principle:
The selected valve should meet the following basic principles.
(1) Safety and reliability of petrochemical, power station, metallurgy and other industries require cont...
A stopcock valve is [1] a straight-through valve that opens and closes quickly, and is also commonly used for media with suspended particles due to the wiping effect of the movement between the scr...
After the worm gear gate valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear gate valve. Only by doing a good job of daily maintenance and mai...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
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 ...
In the ever-evolving water industry, the need for efficient and reliable flow control solutions has never been greater. This is where the double eccentric butterfly valve comes into play, offering ...