The butterfly valve was invented in the United States in the 1930s. It was introduced to Japan in the 1950s and was not widely used in Japan until the 1960s. It was not popularized in my country un...
Shanghai,21-23 April— Tianjin Tanggu Water-Seal Valve Co.,Ltd, a renowned manufacturer of soft-sealing butterfly valves with over two decades of expertise, recently concluded a highly successful pa...
The connection between the valve and the pipe
The way in which the valve is connected to the pipe
(1) Flange connection: Flange connection is one of the most common pipe connection methods. Gaskets...
When the valve is fully open, a sealing device that prevents the medium from leaking to the stuffing box is called the upper sealing device.
When the gate valve, globe valve and throttle valve are ...
Valve is the most common equipment in chemical enterprises. It seems easy to install valves, but if not following the relevant technology, it will cause safety accidents. Today I would like to shar...
1. Structural analysis
(1) This butterfly valve has a circular cake-shaped structure, the inner cavity is connected and supported by 8 reinforcing ribs, the top Φ620 hole communicates with the inne...
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