NB/T 20039.2-2014Code on nuclear air and gas treatment - Ventilation, air conditioning and air cleaning - Part 2: Dampers (English PDF)

NB/T 20039.2-2014 is the English-translated version of 核空气和气体处理规范 通风、空调与空气净化 第2部分：风阀.

NB/T 20039.2-2014 is the recommended Chinese energy industry standard that covers dampers in nuclear air and gas treatment. It sets the minimum requirements for the design, manufacture, materials, performance, acceptance testing and quality assurance of these dampers.

Its field is the ventilation, air conditioning and air cleaning systems of nuclear facilities. The text is classified F69 in the Chinese system and under ICS 27.120.20 and 91.140.30, and it follows the American code ASME AG-1-2009.

Among the standards it quotes are GB/T 699, GB/T 1220, GB/T 3280, GB/T 4237, GB 13237, GB/T 14975, GB/T 16938, EJ/T 564-2006 and NB/T 20004. Issued on 29 June 2014, it has applied since 1 November 2014.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

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