Function of ball valve
2014-08-13 Number of attention:
Ball valve is one of the earliest types of valves. After years of development, it has been continuously improved and innovated in production process and product structure. It has become the main classified product of valves and is widely used in various industries, such as petroleum refining, chemical industry, iron and steel, water conservancy and so on. It plays an important role in the national economy.
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