As a pollution control enterprise, the most important task of a sewage treatment plant is to ensure that the effluent meets the standards. However, with the increasingly strict discharge standards ...
U-shaped butterfly valve is a special type of valve commonly used in various industries to control and regulate the flow of fluids. It belongs to the category of rubber-sealed butterfly valves and ...
There are many kinds of butterfly valves, and there are many classification methods.
1. Classification by structural form
(1) concentric butterfly valve; (2) single-eccentric butterfly valve; (3) d...
Tianjin North Net News: In the Dongli Aviation Business District, the city’s first individual-funded machine tool museum has officially opened a few days ago. In the 1,000-square-meter museum...