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Database: 189760 (18 Oct 2025)
NB/T 20039.1-2021 English PDF
NB/T 20039.1: Evolution and historical versions
Standard ID
Contents [version]
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STEP2
[PDF] delivered in
Standard Title (Description)
Status
PDF
NB/T 20039.1-2021
English
RFQ
ASK
3 days [Need to translate]
(Nuclear Air and Gas Handling Specification Ventilation, Air Conditioning and Air Purification - Part 1: Ventilator)
Valid
NB/T 20039.1-2021
NB/T 20039.1-2014
English
RFQ
ASK
6 days [Need to translate]
Code on nuclear air and gas treatment. Ventilation, air conditioning and air cleaning. Part 18: Refrigeration equipment
Obsolete
NB/T 20039.1-2014
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Basic data
Standard ID
NB/T 20039.1-2021 (NB/T20039.1-2021)
Description (Translated English)
(Nuclear Air and Gas Handling Specification Ventilation, Air Conditioning and Air Purification - Part 1: Ventilator)
Sector / Industry
Energy Industry Standard (Recommended)
Classification of Chinese Standard
P48
Classification of International Standard
27.120.20; 91.140.30
Date of Issue
2021
Date of Implementation
2021-07-01
Older Standard (superseded by this standard)
NB/T 20039.1-2014
Regulation (derived from)
National Energy Administration Announcement No. 1 of 2021
Issuing agency(ies)
National Energy Administration