HG/T 20637.8-2017Code for preparation of engineering design documents of instrumentation for chemical plants - Numbering of instrument auxiliary equipment and cables (English PDF)
化工装置自控专业工程设计文件的编制规范 仪表辅助设备及电缆的编号
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 7, 2017
Implementation date
April 1, 2018
Scope
HG/T 20637.8-2017 is the English-translated version of 化工装置自控专业工程设计文件的编制规范 仪表辅助设备及电缆的编号.
HG/T 20637.8-2017 belongs to the recommended Chinese chemical industry code on the preparation of engineering design documents for instrumentation in chemical plants, and part eight is the one on numbering. It covers the numbering of instrument auxiliary equipment and the numbering of instrument cables and optical cables, that is the identifiers these items carry through the design documents. The part is filed under the Chinese classification P94 and the international classes 25.040.40 and 71.010. It quotes HG/T 20637.2. It replaces HG/T 20637.8-1998. Issued on 7 November 2017, it has applied since 1 April 2018.
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Document preview — HG/T 20637.8-2017
National Standard of the People's Republic of China
- ICS
- 25.040.40
- Replacing
- HG/T 20637.8-1998
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 20637.8-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
HG/T 20637.2
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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
Cited by
- HG/T 20636.6-2017Code for design management of instrumentation for chemical plants - Checklist for checking and review of instrumentation engineering design documents
- HG/T 20637.1-2017Code for preparation of engineering design documents of instrumentation for chemical plants - Composition and preparation of instrumentation engineering design documents
Similar standards
Editions of HG/T 20637.8
| Edition | Title | Revision | Status |
|---|---|---|---|
| HG/T 20637.8-2017 | Code for preparation of engineering design documents of instrumentation for chemical plants - Numbering of instrument auxiliary equipment and cables | current edition | Current |
| HG/T 20637.8-1998 | Code for preparation of engineering design documents of instrumentation for chemical plants - Numbering of instrument auxiliary equipment and cables | previous edition | Superseded |
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Related Standards
HG/T 20637.2-2017 — Code for preparation of engineering design documents of instrumentation for chemical plants - Graphic symbols and letter codes for instrumentation engineering design
HG/T 20637.1-2017 — Code for preparation of engineering design documents of instrumentation for chemical plants - Composition and preparation of instrumentation engineering design documents
HG/T 20637.3-2017 — Code for preparation of engineering design documents of instrumentation for chemical plants - Preparation of instrumentation design regulations
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HG/T 20637.8-2017
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