NB/T 20010.6-2010PWR Nuclear Power Plant Valve - Part 6: Specification for Fastener (English PDF)

NB/T 20010.6-2010 is the English-translated version of 压水堆核电厂阀门 第6部分：紧固件技术条件.

Fasteners are the subject of NB/T 20010.6-2010, the recommended energy industry standard of China that forms Part 6 of the series on pressurized water reactor nuclear power plant valves.

It states the ordering requirements, the shape and dimensions, the technical requirements, the test methods and the inspection rules for the fasteners used on the pressure boundary of safety-related valves.

Its scope is the pressure boundary fasteners of class 1, class 2 and class 3 valves in PWR plants. Thread, composition and property checks follow the cited GB/T 196, GB/T 197, GB/T 228-2002, GB/T 229-2007, the GB/T 223 series, GB/T 230.1, GB/T 231.1, GB/T 4336, GB/T 4338, GB/T 20066 and NB/T 20003. Issued on 1 May 2010, it has applied since 1 October 2010.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 16 pages — is available in the English PDF.

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