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 ...
Body Structure:
The valve body of flange butterfly valves is usually made by casting or forging processes to ensure that the valve body has sufficient strength and rigidity to withstand the pressur...
1. Basic Definition and Structure
A soft sealing flanged concentric butterfly valve (also known as a “center-line butterfly valve”) is a quarter-turn rotary valve designed for on/off or...
Butterfly valve manufacturer said daily installation and use of electric butterfly valves, must first look at the media efficiency and media quality, as a basis for the correction of the relevant i...
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Today, this article mainly shares with you the production process of the wafer concentric butterfly valve Part One.
The step one is preparing and Inspecting all the valve parts one by one. Before a...