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...
TWS Valve will attend the 2018 PCVEXPO Exhibtion in Russia
The 17th International Exhibition PCVExpo / Pumps, Compressors, Valves, Actuators and Engines.
Time: 23 – 25 October 2018 • Mosc...
Tianjin Tanggu Water-seal Valve Co., Ltd. R & D production of Air release valve, mainly by the valve body, valve cover, float ball, floating bucket, sealing ring, stop ring, support frame, nois...
After the worm gear gate valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear gate valve. Only by doing a good job of daily maintenance and mai...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Overview of Soft-Seal Gate Valve
Soft seal gate valve, also known as elastic seat seal gate valve, is a manual valve used in water conservancy projects to connect pipeline media and switches. The s...
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