本文叙述了大亚弯核电二期工程———岭澳核电站循环水处系统和重要厂用水系统两部分首次采用国产的PCCP管(预应力钢筒混凝土管) ,分别介绍了直管段的制作与控制 ,弯管、联系管和变径管的制造、衬胶层的制作以及重要厂用水系统管道的安装。岭澳核电站PCCP专用管材的开发 ,标志着我国PCCP管的生产技术已达到国际水平 This paper describes the first phase of Daya bend nuclear power plant --- Ling Ao nuclear power station circulating water system and important plant water system for the first time using two parts of domestic PCCP pipe (prestressed concrete cylinder tube), introduced the straight pipe production and Control, elbow, contact pipe and reducer manufacturing, rubber lining production and the installation of important plant water system piping. The development of PCCP pipe for Ling’ao Nuclear Power Station marks that the production technology of PCCP pipe in China has reached the international level