ICS点击此处添加ICS号 CCS点击此处添加CCS号 NB 中华人民共和国能源行业标准 NB/T11701—2024 海底管道终端设备技术规范 Technicalspecificationforsubseapipelineendtermination/manifold(PLET/PLEM) 2024-12-25发布 2025-06-25实施 国家能源局  发布NB/T11701—2024 I目次 前 言...........................................................................III 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语、定义和缩略语...................................................................2 3.1术语和定义.......................................................................2 3.2缩略语...........................................................................2 4功能要求............................................................错误！未定义书签。 4.1一般要求.........................................................................2 4.2系统要求.........................................................................3 4.3界面数据........................................................错误！未定义书签。 5设计.................................................................................4 5.1总体设计.........................................................................4 5.2管道系统设计.....................................................................5 5.3结构设计.........................................................................6 5.4基础设计.........................................................................8 5.5防腐设计.........................................................................8 5.6连接设备.........................................................................8 5.7水下阀门.........................................................................8 5.8辅助装置其他部件.................................................................9 6材料.................................................................................9 6.1总体说明.........................................................................9 6.2管道与管件.......................................................................9 6.3结构钢材........................................................................10 6.4锻件............................................................................10 6.5紧固件材料......................................................................11 6.6潜水员和ROV/ROT接口............................................................11 7制造................................................................................11 7.1装配............................................................................11 7.2外部腐蚀防护....................................................................11 7.3涂层系统........................................................................12 7.4材料追溯性......................................................................12 7.5焊接及无损检验..................................................................12 8测试................................................................................12 8.1工厂验收测试（FAT）.............................................................12 8.2扩展测试（EFAT）及系统集成测试（SIT）...........................................13 9设备标识和储存......................................................................13 9.1设备标识........................................................................13NB/T11701—2024 II9.2储存............................................................................13 10安装及维护.........................................................................14 10.1安装要求.......................................................................14 10.2安装作业要求...................................................................14 10.3维护...........................................................................15 11文档，证书及质量控制...............................................................15 11.1一般要求.......................................................................15 11.2文档...........................................................................15 11.3证书...........................................................................16 11.4质量控制.............................