JB/T 12004-2014Specification for Low Vacuum Butterfly Valves (English PDF)
低真空蝶阀 技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 12004-2014 is the English-translated version of 低真空蝶阀 技术条件.
The Chinese machinery industry standard JB/T 12004-2014 is a recommended specification for low vacuum butterfly valves.
It describes the shape and construction of these valves and their model designations, the technical requirements they must satisfy, the preparation and conditions for testing, the inspection and test methods, the inspection rules, and the requirements for marking, transport and storage.
Its field of application is stated in terms of nominal size, so it addresses the valve sizes normally used in low vacuum service. Among the documents it draws on are GB 150.4-2011, GB/T 1220, GB/T 3452.1, GB/T 9115, GB/T 12221, GB/T 12238, GB/T 13927 and JB/T 8527. Issued on 9 July 2014, it has applied since 1 November 2014.
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Document preview — JB/T 12004-2014
National Standard of the People's Republic of China
- ICS
- 23.060.99
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 12004-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.
2 Scope
The Chinese machinery industry standard JB/T 12004-2014 is a recommended specification for low vacuum butterfly valves. It describes the shape and construction of these valves and their model designations, the technical requirements they must satisfy, the preparation and conditions for testing, the inspection and test methods, the inspection rules, and the requirements for marking, transport and storage. Its field of application is stated in terms of nominal size, so it addresses the valve sizes normally used in low vacuum service. Among the documents it draws on are GB 150.4-2011, GB/T 1220, GB/T 3452.1, GB/T 9115, GB/T 12221, GB/T 12238, GB/T 13927 and JB/T 8527.
3 Normative references
JB/T 12004-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB 150.4-2011
GB/T 191
GB/T 700
GB/T 1220
GB/T 1222
GB/T 3452.1
GB/T 4237
GB/T 6388
GB/T 9115
GB/T 12221
GB/T 12223
GB/T 12225
GB/T 12238
GB/T 13927
JB/T 308
JB/T 1091
JB/T 8527
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Classification and status
International classification (ICS): 23.060.99
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 700Carbon structural steels
- GB/T 1220Stainless steel bars
- GB/T 1222Spring Steels
- GB/T 3452.1Fluid power systems -- O-rings -- Part 1: Inside diameters, cross-sections, tolerances and size identification code
- GB/T 4237Hot rolled stainless steel plate, sheet and strip
GB 150.4-2011 · GB/T 9115
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