JB/T 11521-2013Piping assemblies for air conditioning and refrigeration equipment (English PDF)
空调与制冷设备用管路件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 25, 2013
Implementation date
September 1, 2013
Scope
JB/T 11521-2013 is the English-translated version of 空调与制冷设备用管路件.
JB/T 11521-2013 is a recommended Chinese machinery industry standard for the piping assemblies of air conditioning and refrigeration equipment.
It covers the terms and definitions, the models and the basic parameters of the individual pipe pieces, the requirements, the test methods, the inspection rules and the provisions for marking, packaging, transport and storage.
Among the standards it quotes are GB/T 191, GB/T 5231, GB/T 6283 and YS/T 347. It is filed under Chinese classification J73 and international classification 27.200, and it was issued by the Ministry of Industry and Information Technology.
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Document preview — JB/T 11521-2013
National Standard of the People's Republic of China
- ICS
- 27.200
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Classification and status
1 Foreword
JB/T 11521-2013 was issued by MIIT on 25 April 2013 and has been in force since 1 September 2013.
2 Scope
This standard is a recommended Chinese machinery industry standard for the piping assemblies of air conditioning and refrigeration equipment. It covers the terms and definitions, the models and the basic parameters of the individual pipe pieces, the requirements, the test methods, the inspection rules and the provisions for marking, packaging, transport and storage. Among the standards it quotes are GB/T 191, GB/T 5231, GB/T 6283 and YS/T 347. It is filed under Chinese classification J73 and international classification 27.200, and
3 Normative references
JB/T 11521-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 191
GB/T 5231
GB/T 6283
YS/T 347
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Classification and status
International classification (ICS): 27.200
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 5231Designation and chemical composition of wrought copper and copper alloys
- GB/T 6283Chemical products -- Determination of water Karl-Fischer method (general method)
- YS/T 347Method for measuring average grain size of copper and copper alloys
Similar standards
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Related Standards
GB/T 191-2025 — Graphical symbols marking for handling and storage of packages
GB/T 5231-2022 — Designation and chemical composition of wrought copper and copper alloys
GB/T 6283-2008 — Chemical products -- Determination of water Karl-Fischer method (general method)
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JB/T 11521-2013
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