1.The stem of the OS&Y gate valve is exposed, while the stem of the NRS gate valve is in the valve body.
2.The OS&Y gate valve is driven by the thread transmission between the valve ...
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 ...
We attended Valve World Asia 2019 Exhibition in Shanghai From August 28 to August 29, Many old custmers from different countries had a meeting with us about future cooperation , Also some new custo...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
Dual plate check valves and rubber-sealed swing check valves are two important components in the field of fluid control and regulation. These valves play a vital role in preventing fluid back flow ...
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...
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