The initial stage of the valve industry (1949-1959)
01Organize to serve the recovery of the national economy
The period from 1949 to 1952 was the period of my country’s national economic reco...
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 ...
Leading Intelligence, Shaping Water Future—TWS VALVE Shines at 2023~2024 International Valve & Water Technology Expo
From 15th to 18th, Nov., 2023, Tianjin Tanggu Water-seal valve Co.,ltd made ...
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...
A butterfly valve is a type of quarter-turn valve that controls the flow of a product in a pipeline.
Butterfly valves are usually grouped into two types: lug-style and wafer-style. These me...
The globe valve and the gate valve have some similarities in appearance, and both of them have the function of cutting off in the pipeline, so people often wonder, what is the difference between th...
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