Introduction:
A butterfly valve is from a family of valves called quarter-turn valves. In operation, the valve is fully open or closed when the disc is rotated a quarter turn. The “butterfly...
1. What is the internal thread connection of the valve?
Internal thread connection means that the end of the valve body is processed into a tapered tube or straight tube female thread (internal thr...
I. What is UL certification? Why does the valve need it?
UL (Underwriters Laboratories) is a world-renowned independent safety certification organization. In the North American market, UL certifica...
Tianjin Tanggu Water-seal Valve Co.,ltd to Showcase High-Performance Butterfly Valves at Booth 03.220F
TWS VALVE, with more than 20 years experience in industrial valve manufacturing, is pro...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
Flanged Type Static Balancing Valve
Flange static balance valve is a major hydraulic balance product used by hVAC water system to ensure high-precision flow pre-regulation, to ensure that the whole...
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