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...
1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
Soft seal butterfly valve is the butterfly valve mainly produced by TWS Valve, including Wafer Type butterfly valve, Lug Type butterfly valve, U-Type butterfly valve, Double flange butterfly valve ...
Gate valve is a more common general valve, widely used, mainly used in water conservancy, metallurgy and other industries, its wide range of performance has been recognized by the market, TWS in th...
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...
When it comes to industrial valves, the name Tianjin Tanggu Water Seal Valve is well deserved. With their exceptional quality and commitment to excellence, they have become leaders in the industry....