NB/T 25077-2017Technical requirement of selection of vacuum pump in nuclear power plant (English PDF)

NB/T 25077-2017 is the English-translated version of 核电厂真空泵选型技术要求.

NB/T 25077-2017 is the Chinese energy industry standard, recommended in status, that states the technical requirements for the selection of vacuum pumps in nuclear power plants, together with requirements on performance, structure, materials, testing and inspection.

It is written for the steam-side water ring vacuum pump of the conventional island condenser in pressurized water reactor plants of the million kilowatt class, and units of other ratings may apply it as a reference.

Classified P64 in China and 27.120.99 internationally, it sits among the conventional island documents of the nuclear series. Its quoted documents include GB/T 1348, GB/T 2100, GB/T 9239.1-2006, GB/T 9439, GB/T 11352, GB/T 29529, JB/T 7255 and ANSI FCI 70-2-2006. Issued on 10 February 2017, it has applied since 1 July 2017.

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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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