The design and test analysis of large steam butterfly valve for steam turbine is described in this paper, which includes aerodynamic characteristic structure feature and how to solve the problem of fast closing and tight sealing.

• 介绍大口径汽轮机用蝶阀的设计与试验分析,包括阀的气动特性、结构特点与如何解决快关与密封问题等。