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 ...
Pneumatic butterfly valve plays an important role in our life, is to use the circular butterfly plate rotating with the valve stem to do the opening and closing, in order to realize the pneumatic v...
Shanghai, China – April 2025 – TWS VALVE, an experienced manufacture in rubber seated butterfly valve, e.g., “sustainable technology and environmental solutions”, is pleased to announ...
Butterfly valve is a kind of valve, is installed on a pipe, used to control the circulation of medium in a pipe. Butterfly valve is characterized by simple structure, light weight, including transm...
With the rapid development of technology and innovation, the valuable information that should be delivered to industry professionals is often obscured today. Although customers will also use some s...
The flow rate and velocity of the valve mainly depend on the diameter of the valve, and are also related to the resistance of the structure of the valve to the medium, and at the same time have a c...