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...
(1) The valve does not operate.
The fault phenomenon and its causes are as follows:
1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
In modern manufacturing, valves, as crucial fluid control devices, play an indispensable role. Whether butterfly valves, gate valves, or check valves, they play a vital role across various industri...
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...
At the 2026 China Water Association Annual Meeting, Tianjin Tanggu Water-Seal Valve Co., Ltd showcased its full range of products to support the development of the water industry. As a key player ...
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...