摘要
文章着重对天然气管道球阀基本结构和组成、阀座结构特点和种类、注脂嘴的结构特点以及球阀的密封原理进行了研究和分析,结合实际对天然气管道球阀的维护和使用提出了需要注意的问题。
This paper emphatically analyzes and researches on natural gas pipe ball valve basic structure and composition, structural characteristics and species of valve seat, structural characteristics of grease injection spout, and sealing principle of ball valve. The article puts forward some issues needs pay attention combined with valve's maintenance and using.
出处
《上海煤气》
2008年第1期26-29,共4页
Shanghai Gas
关键词
天然气
管道球阀
结构特点
使用
natural gas, pipe ball valve, structural characteristics, using