大口径蝶阀阀杆断裂原因分析及改进

Analysis and Improvement on Valve Shaft Break of Large Diameter Butterfly Valve

分析了大口径蝶阀在使用过程中阀杆突然断裂的原因,介绍了蝶阀结构形式的改进措施,解决了蝶阀阀杆断裂问题。

This article analyses the break causes of the shaft, and summarize the improved methods to the structure of the butterfly valve, and solves the problem effectively finally.