JB/T 7674-2017Roots vacuum pumps (English PDF)
罗茨真空泵
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
January 9, 2017
Implementation date
July 1, 2017
Scope
JB/T 7674-2017 is the English-translated version of 罗茨真空泵.
JB/T 7674-2017 is the Chinese machinery industry standard for Roots vacuum pumps. It gives the terms and definitions used for them, their types and basic parameters, the technical requirements they meet, the sampling and determination methods, the test methods and the inspection rules, and it covers signs, packaging and storage.
It is written for single-stage Roots vacuum pumps. The standard is recommended, classified J78 in the Chinese scheme and 23.160 in the international one. Among the standards it quotes are GB/T 1032-2012, GB/T 3163, GB/T 4844-2011, GB/T 13384, GB/T 15173-2010 and GB/T 25753.1-2010. It replaces JB/T 7674-2005.
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Document preview — JB/T 7674-2017
National Standard of the People's Republic of China
- ICS
- 23.160
- Replacing
- JB/T 7674-2005
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 7674-2017 was issued by MIIT on 9 January 2017 and has been in force since 1 July 2017.
It replaces the earlier edition JB/T 7674-2005, JB/T 7674-1995.
2 Scope
This standard is the Chinese machinery industry standard for Roots vacuum pumps. It gives the terms and definitions used for them, their types and basic parameters, the technical requirements they meet, the sampling and determination methods, the test methods and the inspection rules, and it covers signs, packaging and storage. It is written for single-stage Roots vacuum pumps. The standard is recommended, classified J78 in the Chinese scheme and 23.160 in the international one. Among the standards it quotes are GB/T 1032-2012, GB/T 3163, GB/T 4844-2011, GB/T 13384, GB/T 15173-2010 and GB/T 25753.1-2010. It replaces JB/T 7674-2005.
3 Normative references
JB/T 7674-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 1032-2012
GB/T 3163
GB/T 3785.1-2010
GB/T 4844-2011 — Pure Helium, High Pure Helium and Ultra Pure Helium
GB/T 6070
GB/T 13306
GB/T 13384
GB/T 15173-2010 — Electroacoustics - Sound calibrators
GB/T 25753.1-2010 — Vacuum technology -- Roots vacuum pump -- Measurement of performance characteristics -- Part 1: Measurement of maximum tolerable differential pressure
GB/T 25753.2
GB/T 25753.3
GB/T 25753.4
GB/T 32218
GB/T 191
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other editions:
JB/T 7674-2005 (earlier edition)
JB/T 7674-1995 (earlier edition)
6 Classification and status
International classification (ICS): 23.160
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 1032-2012Test methods for three-phase asynchronous motors
- GB/T 3163Vacuum technology - Vocabulary
- GB/T 3785.1-2010Electroacoustics - Sound level meters - Part 1: Specifications
- GB/T 4844-2011Pure helium, high purity helium and ultra purity helium
- GB/T 6070Vacuum technology - Dimensions of non-knife edge flanges
- GB/T 13306Plates
Similar standards
Editions of JB/T 7674
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7674-2017 | Roots vacuum pumps | current edition | Current |
| JB/T 7674-2005 | Roots vacuum pumps | previous edition | Superseded |
This page sells the current edition, JB/T 7674-2017. Earlier editions are listed for reference only.
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Related Standards
GB/T 13306-2011 — Plates
GB/T 13384-2008 — General specifications for packing of mechanical and electrical product
GB/T 15173-2010 — Electroacoustics - Sound calibrators
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JB/T 7674-2017
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