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...
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...
Valve selection principle
The selected valve should meet the following basic principles.
(1) Safety and reliability of petrochemical, power station, metallurgy and other industries require continuo...
To all cooperative customers and suppliers :
Thank you for your cooperation and support! As the company’s operations have gradually developed and expanded,
The office and production base of...
Sealing is to prevent leakage, and the principle of valve sealing is also studied from leakage prevention. There are many factors that affect the sealing performance of butterfly valves, mainly inc...
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 ...
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