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NB/T 20397-2017 PDF English

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NB/T 20397-2017: Technical regulations for the prefabrication and installation of piping supports and hangers in pressurized water reactor nuclear power plants
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NB/T 20397-2017English509 Add to Cart 5 days [Need to translate] Technical regulations for the prefabrication and installation of piping supports and hangers in pressurized water reactor nuclear power plants

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Basic data

Standard ID NB/T 20397-2017 (NB/T20397-2017)
Description (Translated English) Technical regulations for the prefabrication and installation of piping supports and hangers in pressurized water reactor nuclear power plants
Sector / Industry Energy Industry Standard (Recommended)
Classification of Chinese Standard F65
Classification of International Standard 27.120.20
Word Count Estimation 22,285
Date of Issue 2017-02-10
Date of Implementation 2017-07-01
Quoted Standard GB/T 222; GB/T 223; GB/T 228; GB/T 229; GB/T 700; GB/T 706; GB/T 713; GB/T 1591; GB/T 4237; GB/T 4338; GB/T 8782; GB/T 8783; GB/T 6170; GB/T 6171; GB/T 6172.1; GB/T 8162; GB/T 11263; GB/T 14975; GB/T 17116.1; GB/T 19000; GB/T 19001; GB/T 19002; GB/T 19003
Regulation (derived from) State Energy Bureau Announcement No. 3 of 2017
Issuing agency(ies) National Energy Administration
Summary This standard specifies the overall technical requirements for the prefabrication and installation of nuclear island pipe supports and hangers for PWR nuclear power plants. This standard is applicable to the prefabrication and installation of nuclear island pipe supports and hangers of pressurized water reactor nuclear power plants, including the entire process of the nuclear island pipe support and hanger from the initial state of the arrival materials to the completion of installation. This includes general requirements for support and hanger materials, prefabrication (including factory manufacturing and on-site workshop manufacturing), installation, welding, inspection, and coating, packaging, transportation, and storage. The prefabricated pipe supports and hangers of this standard do not include the manufacture of functional parts such as dampers, spring boxes, constant cranes, and standard fasteners.

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