The Chirstmas Day is Approaching~
We TWS Valves International sales department here, Get together and Wish you a Merry Chirstmas and Happy new year!
Thanks for your suppor for this year and we Wi...
I. Product introduction
The U-type soft seal butterfly valve is a high-performance regulating and shutoff device. Its core sealing pair adopts a unique “U-type” design. The valve seat i...
How to choose flanged concentric butterfly valve?
Flanged butterfly valves are mainly used in industrial production pipelines. Its main function is to cut off the flow of medium in the pipeline, or...
The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
Flange butterfly valve is mainly used in industrial production pipeline, its main role is to cut off the circulation of medium in the pipeline, or adjust the size of medium flow in the pipeline. Fl...
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 ...