The staple of the article is introuduction to the process of growing about the structure and installational site of the vacuum-breaking valve at the Jiangdu pumping station.

• 主要介绍了江都站对真空破坏阀结构与装置位置等不断改进的过程,认为:完善的真空破坏阀断流设计,不仅可以消除启动振动,而且真空破坏阀通风面积可以大大缩小。