NB/T 20010.15-2010PWR Nuclear Power Plant Valve - Part 15: Specification of Spiral Wound Gasket with Flexible Graphite (English PDF)

NB/T 20010.15-2010 is the English-translated version of 压水堆核电厂阀门 第15部分：柔性石墨金属缠绕垫片技术条件.

Spiral wound gaskets with flexible graphite filler are the subject of NB/T 20010.15-2010, Part 15 of the Chinese energy industry series on pressurized water reactor nuclear power plant valves.

The standard fixes the technical requirements, test methods and inspection rules for these metal spiral wound gaskets, together with the requirements for packaging, transport and storage.

It applies to the flexible graphite spiral wound gaskets fitted to safety-related valves in PWR plants, and the same technical conditions may be used by reference for non-nuclear valves.

Materials and gasket dimensions are checked against quoted standards such as GB/T 2523, GB/T 3280, the GB/T 4622 parts, GB/T 12385, GB/T 14180 and the JB/T 7758 and JB/T 9141 series. 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 — 15 pages — is available in the English PDF.

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