Tianjin Tanggu Water-seal Valve Co., Ltd is a leading manufacturer of high-quality valves and fittings. Our products are used in a diverse range of industries, including water treatment, power gene...
We will attend the 8th China(Shanghai) International Fluid Machinery Exhibition
Date:8-12 November 2016
Booth:No.1 C079
Welcome to visit and learn more about our valves!
Initiated by the China Gene...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
(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...
With the arrival of the first rain and snow in winter, the temperature dropped sharply. In this severe cold, the front-line emergency repair personnel of the Municipal Guokong Water Co., Ltd. brave...
Hard seal butterfly valve
Hard sealing of butterfly valve refers to that both sides of the sealing pair are made of metal materials or other hard materials. The sealing performance of this kind of ...
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