《聚乙烯燃气管道工程技术规程》的修订

Revision of Technical Specification for Polyethylene Fuel Gas Pipeline Engineering

对比CJJ63—2008《聚乙烯燃气管道工程技术规程》,探讨CJJ63—2018《聚乙烯燃气管道工程技术标准》中有较大修改的标准条款,包括最大工作压力和最大允许工作压力,允许储存时间与存放条件,焊制管件问题,热熔设备和连接要求,热熔连接质量检验,示踪、警示装置及保护板设置。介绍这些条款修订的依据和由来。

Compared with Technical Specification for Polyethylene (PE) Fuel Gas Pipeline Engineering (CJJ 63-2008),the major revised standard clauses in Technical Standard for Polyethylene (PE) Gaseous Fuel Pipeline Engineering (CJJ 63-2018) are discussed,including maximum working pressure and maximum allowable working pressure,allowable storage time and storage conditions,welded fitting problems,hot-fusion equipment and connection requirements,hot-fusion joint quality inspection,tracing,warning device and protection board settings. The basis and origin of the revision of these clauses are introduced.