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Brief introduction of ball valves
2012-06-08 10:51:42 Click Count: 8992
Ball valves, the GB/T21465-2008 Valve Term describes it as followed: kinds of valves whose starting and stopping parts are drove by valve rod and do orbiting roll with the axes of valve rod.The ball valves is used to cut off or connect the medium in pipeline, it also can be used to control and adjust of flow. The V type ball core of sealed V type ball valves has strong shear force with the metal valve seat of surfacing cemented carbide; it is especially suit for the medium containing fiber and small solid particles. The multi-way ball valves not only can adjust the confluence, split-flow of medium and control the changing-over of flow direction; it also can close one of the pipelines and connect the other two pipelines.
Ball valves came out in the 1950s. With the rapid development of technology and the continuously improved of productive technology and product structure, ball valves has developed to a main valves in 40 years. In western countries, the use of ball valves is rising year by year. In our country, ball valves is extensively used in many areas, such as the petroleum refining, long-distance pipeline, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and so on. All in all, ball valves occupy a very important position in national economy.
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