Standard Number: NB/T 20397-2017(NB/T20397-2017)
Chinese:压水堆核电厂核岛管道支吊架预制及安装技术规程
English:Technical Specification for Prefabrication and Installation of Piping Support Brackets for Nuclear Island in Pressurized Water Reactor Nuclear Power Plants
Effective Date:2017-07-01
Standard Applicability:This standard specifies the pressurized water reactor nuclear power plant nuclear island pipe support hanger prefabrication and installation of the general technical requirements. This standard applies to pressurized water reactor nuclear power plant nuclear island pipe support hanger prefabrication and installation work, including the nuclear island pipe support hanger from the initial state of the arrival of materials to the installation of the whole process of completion. Including support materials, prefabrication (including factory manufacturing and on-site workshop manufacturing), installation, welding, inspection, and coating, packaging, transportation, storage of all aspects of the overall requirements. This specification prefabricated pipe support hangers do not include dampers, spring box, constant hanging, standard fasteners and other functional parts of the finished product manufacturing.
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