HG/T 21581-2012Instrument hook-up drawings (Volumes I and II) (English PDF)
自控安装图册上下册
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
May 24, 2012
Implementation date
November 1, 2012
Scope
HG/T 21581-2012 is the English-translated version of 自控安装图册上下册.
HG/T 21581-2012 is the Chinese chemical industry standard on instrument hook-up drawings, published in two volumes. It provides the drawings used to show how field instruments are connected to the process piping and equipment in chemical plant design. Its content is tied to the chemical industry design documents HG/T 20636-1998 through HG/T 20639-1998 and to the HG/T 20592-2009 series of pipe flanges, as well as to GB/T 1047-2005, GB/T 1048-2005 and ASME B16.5-2009. Classified under CCS G93 and ICS 71.120, it belongs to the engineering design documentation of the instrumentation discipline. The edition replaces HG/T 21581-1995. Issued on 24 May 2012, it has applied since 1 November 2012.
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Document preview — HG/T 21581-2012
National Standard of the People's Republic of China
- ICS
- 71.120
- Replacing
- HG/T 21581-1995
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 2 Normative references
2 Normative references
HG/T 21581-2012 cites the following standards, which apply in full or in part through the references made to them in its clauses.
HG/T 20636-1998
HG/T 20637-1998
HG/T 20638-1998
HG/T 20639-1998
GB/T 1048-2005
GB/T 1047-2005
HG/T 20592-2009
HG/T 20593-2009
HG/T 20594-2009
HG/T 20595-2009
HG/T 20596-2009
HG/T 20597-2009
HG/T 20598-2009
HG/T 20599-2009
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 333 pages — is available in the English PDF.
Referenced standards
Normative references
- HG/T 20638-1998Code for depth of instrumentation engineering design documents for chemical plants
- GB/T 1048-2005Pipework components - Definition and selection of nominal pressure
- GB/T 1047-2005Pipework components - Definition and selection of nominal size
- HG/T 20592-2009Steel Pipe Flanges
HG/T 20636-1998 · HG/T 20637-1998 · HG/T 20639-1998 · HG/T 20593-2009 · HG/T 20594-2009 · HG/T 20595-2009 · HG/T 20596-2009 · HG/T 20597-2009 · HG/T 20598-2009 · HG/T 20599-2009
Editions of HG/T 21581
| Edition | Title | Revision | Status |
|---|---|---|---|
| HG/T 21581-2012 | Instrument hook-up drawings (Volumes I and II) | current edition | Current |
| HG/T 21581-1995 | Instrument hook-up drawings (Volumes I and II) | previous edition | Superseded |
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Related Standards
HG/T 20592-2009 — Steel Pipe Flanges
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