Due to the sealing element’s function of interrupting and connecting,regulating and distributing, separating and mixing media in the valvpassage, the sealing surface is often subject to corro...
Valves in the various industries in a wide range of applications, mainly in the petroleum, petrochemical, chemical, metallurgy, electric power, water conservancy, urban construction, fire, machiner...
Today we are going to talk about the exciting world of TWS live stream and the introduction of the amazing Rubber Seated Gate Valve. At Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS), we pride ours...
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...
The soft seal butterfly valve is suitable for regulating the flow and intercepting the medium on the water supply and drainage and gas pipelines of food, medicine, chemical industry, petroleum, ele...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...