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 continuo...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
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 difference between gate valve, ball valve and butterfly valve:
1. Gate valve
There is a flat plate in the valve body which is perpendicular to the flow direction of the medium, and the flat pla...
Driven by the “dual carbon” strategy, many industries have formed a relatively clear path for energy conservation and carbon reduction. The realization of carbon neutrality is inseparab...
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