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...
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...
I. What is UL certification? Why does the valve need it?
UL (Underwriters Laboratories) is a world-renowned independent safety certification organization. In the North American market, UL certifica...
When selecting a butterfly valve supplier, one must consider the specific requirements of the project and the quality of the products offered. With a variety of options on the market, including waf...
Issuing Unit:Tianjin Tanggu Water-Seal Valve Co,.Ltd
Release Date:March 25, 2026
According to the company’s development needs and internal management regulations, after research and decisio...
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