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...
I. Principles for Selecting Butterfly Valves
1. Structure type selection
Center butterfly valve (center line type): The valve stem and butterfly disc are centrally symmetrical, with simple structur...
Tianjin Tanggu Waters Valve Co., Ltd. Backflow Preventer: Uncompromising Protection for Your Systems
As a leading manufacturer in the valve industry, Tianjin Tanggu Waters Valve Co., Ltd. has been ...
Recently, the 2026 China Water Expo and Pump and Valve Exhibition concluded successfully at the Hefei Binhu International Convention and Exhibition Center. TWS made a wonderful appearance with a va...
The sealing surface of steel valves (DC341X-16 Double flanged eccentric butterfly valve) is generally manufactured by (TWS valve )surfacing welding. The materials used for valve surfacing are divi...
Issuing Unit:Tianjin Tanggu Water-Seal Valve Co,.Ltd
Release Date:March 25, 2026
According to the company’s development needs and internal management regulations, after research and decisio...
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