As an important fluid control device, butterfly valves are widely used in various industrial fields. Their simple structure, easy operation, and excellent sealing performance have earned them ...
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...
Electric butterfly valves are a type of electric valve and electric control valve. The main connection methods of electric butterfly valves are: flange type and wafer type; the main sealing forms o...
In the critical arena of global water management, the infrastructure that supports our cities, industries, and ecosystems depends on a single, vital element: reliable flow control. As we navigate t...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
The continuous development of the valve industry (1967-1978)
01 Industry development is affected
From 1967 to 1978, due to the great changes in the social environment, the development of the valve ...
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