薄型球阀的阀体较一般法兰球阀短，适用于工厂同一管路阀门数量多的场合，法兰连接的管 路能保持噸密封性能，便于解更换，便于管路的封闭。
The body of the thin ball valve is shorter than that of the general flanged ball valve, and applies to the same pipeline with numbers of valve in the factory. Flange connection line can maintain good sealing performance, which is easy to maintain and replace, and to close the pipeline.