What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10...
Tianjin Tanggu Water-Seal Valve Co,.Ltd wishes everyone a Happy New Year: Happy Spring Festival in 2026!
In this moment full of joy and reunion, TWS sincerely wishes everyone a happy Spring Festiva...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
There are often friends who do not understand the relationship between the specifications of “DN”, “Φ” and “”". Today, I will summarize the relationship between ...
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...
TWS Valve attended the 16th International Exhibition PCVExpo On 24 - 26 October 2017,Now we have back.
During the Exhibition, We met many friends and clients here,we have a good communication fo...