摘要
介绍了撑拢式双向金属密封球阀的工作原理、结构特点以及主要技术数据的选取与计算。
Introducing the tevolving-expanding type ball valve of working principle, structure character- istic as well as the formula and experience of the main technological data.
出处
《阀门》
2014年第1期33-34,36,共3页
VALVE MAGAZINE
关键词
撑拢式
球阀
双向金属密封
tevolving-expanding
ball valve
bidirectional metal seal.
