The butterfly valve is a valve widely used in industrial and pipe systems. It has the advantages of simple structure, easy operation, good sealing ability and large flow rate, but there are also so...
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 ...
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...
Do you need reliable and high-quality valves for your water system? Tianjin Tanggu Water Seal Valve Co., Ltd. is a famous valve manufacturer in Tianjin. With our own TWS brand and extensive industr...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
Preparation before operation
Before operating the valve, you should read the operating instructions carefully. Before operation, you must be clear about the flow direction of the gas, you should ...
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