Recently, Tianjin Tanggu Water-Seal Valve Co., Ltd. announced that the company’s core product eccentric butterfly valve has successfully been added to the EU CE certificate. The continuation of thi...
There are many kinds of butterfly valves, and there are many classification methods.
1. Classification by structural form
(1) concentric butterfly valve; (2) single-eccentric butterfly valve; (3) d...
The connection between the valve and the pipe
The way in which the valve is connected to the pipe
(1) Flange connection: Flange connection is one of the most common pipe connection methods. Gaskets...
The 9th China Environment Expo was held in Guangzhou from September 17 to 19 at Area B of the China Import and Export Fair Complex. As Asia’s flagship exhibition for environmental governance,...
In the daily use of butterfly valves, various failures are often encountered. The leakage of the valve body and bonnet of the butterfly valve is one of the many failures. What is the reason for thi...
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...
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