长输管线用球阀密封与内漏分析  

Sealing and Analysis on Internal Leakage of Pipeline Ball Valve

作　　者：张绍华[1] 刘建峰[1] 余宏兵[1] 宋忠荣[1] 

机构地区：[1]合肥通用机械研究院,安徽合肥230031

出　　处：《阀门》2017年第6期38-41,共4页VALVE MAGAZINE

摘　　要：介绍了长输管线球阀的密封结构及功能要求,分析了阀门内漏原因和密封失效的型式,论述了长输管线球阀与一般工业用球阀的特殊性,提出了阀门施工安装和选用维护的意见。The sealing structure and function requirements of pipeline ball valve are introduced.The causes of internal leakage and failure mode are analyzed.The distinctiveness of pipeline ball valves and general industrial ball valves are discussed,suggestions of valve installation and maintenance are put forward.

关 键 词：管线球阀 密封结构 内漏 密封失效 

分 类 号：TH134[机械工程—机械制造及自动化]