Tianjin Tanggu Water Seal Valve Co., Ltd. (TWS Valve) is pleased to announce that we will be attending Aquatech Amsterdam 2025! From March 11th to 14th, we will be showcasing innovative water solu...
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...
The process of operating the valve is also the process of inspecting and handling the valve. However, the following matters should be paid attention to when operating the valve.
①High temperature v...
Valve sealing material is an important part of valve sealing. What are the valve sealing materials? We know that valve sealing ring materials are divided into two categories: metal and non-metal. T...
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...
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 ...
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