spigot joint

Internal pressure testing method of Bell and spigot joint FW RPM pipes

承插口式FW夹砂（RPM）管内压试验方法问题

Ductile iron piping is used for external underground. The pipe should be spigot socket joint connected.

室外地下管网使用球墨铸铁管,承插式连接.

Safety Valve Design Theory for Bell and Spigot Joint for FW RPM Pipe

承插口玻璃钢夹砂管道安全阀设计理论

《 Water Supply and Sewage Works Buried Steel Pipeline with Expansion Bearing Spigot and Socket Flexible Joint Technical Regulation 》 Brief Introduction of Compiling and New Type Steel Pipe Joint's Application

《给水排水工程埋地扩胀成型承插式柔性接口钢管管道技术规程》编制简介与新型钢管接口的应用

Draft for 《 Water supply and sewage works buried steel pipe line with expansion bearing spigot and socket flexible joint technical regulation 》 has been approved, it compiling information, scope of application, main content and new steel pipe joint's application are introduced in this paper.

本文对已完成报批稿的《给水排水工程埋地扩胀成型承插式柔性接口钢管管道技术规程》的编制思想、适用范围、主要内容及新型钢管接口的应用作了介绍。