【摘要】 本文介绍了圆筒阀的优点及其代替机前主阀的可能性，详细论述了圆筒阀模型试验装置的设计及试验情况，并对试验结果进行了分析，同时介绍了国外水轮机采用圆筒阀的现状。更多还原

【Abstract】 The probability of replacing main valve with cylindrical valve and its advantage are introduced in this paper.the design of the test structure and model test of cylindrical valve are discussed in detail, and the test results are analysed,the situations of applyingcylindrical valve at abroad are discribed.更多还原