- Butterfly valve operating torque differs in the opening degree and directions of the opening and closing. For horizontal butterfly valve, especially large diameter valve
Tips of Using Butterfly Valves
Date：2026-05-10- The sealing test for the valve is usually carried out at the room temperature and under the nominal pressure. When water is used as the test medium, it is easy to cause corrosion on the valve. General..
Sealing Tests for Valves
Date：2026-05-10- The flow rate and flow velocity of avalvemainly depend on its diameter, as well as factors like the resistance of its structure against the medium. Meanwhile, they are also related to, but not limited..
The connection between the valve diameter & the medium's velocity
Date：2026-05-10- (1) The 13th Five-Year nuclear industry development plan stimulating the market demand for nuclear valvesNuclear power is recognized as the clean energy. With the development of nuclear power technolo..
Analyses on Development Factors of the Chinese Valve Industry (Part One)
Date：2026-05-10- The origin of valves, and the history of valves in China (part two)
