The structure of large turbine butterfly valve exported to Iran was analyzed in combination with the actually design, test, manufacture, run.
本文结合出口伊朗蝶阀的实际设计、试验、制造、运行情况，对电站大型蝶阀的结构进行了分析。
To design a variety of valves for water application, such as the butterfly valve, the ball valve, the high performance butterfly valve and the industry valves.
设计了不同应用领域的阀门，如高性能蝶阀、球阀，顺利引入定型蝶阀和工业阀门。
Problems about hydraulic control butterfly-valve are analyzed, and some irrational design and some improvement method are also put forward.
分析了循环水泵出口液控蝶阀控制回路存在的问题，提出了改进的措施。
Problems about hydraulic control butterfly-valve are analyzed, and some irrational design and some improvement method are also put forward.
分析了循环水泵出口液控蝶阀控制回路存在的问题，提出了改进的措施。
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