HG/T 20686-2024Unified regulations on graphic symbols and text codes for electrical design in chemical enterprises (with explanations of the provisions) (English PDF)
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Issued by
Ministry of Industry and Information Technology
Level / Type
National · Recommended
Issue date
March 29, 2024
Implementation date
October 1, 2024
Scope
HG/T 20686-2024 (Unified regulations on graphic symbols and text codes for electrical design in chemical enterprises (with explanations of the provisions)) is available as an English-translated PDF.
HG/T 20686-2024 — This standard specifies the general principles, terminology, system diagram schematic diagram graphic symbols, plan diagram graphic symbols, and text codes.
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Document preview — HG/T 20686-2024
National Standard of the People's Republic of China
- Classification
- P 72
Issued by: Ministry of Industry and Information Technology
Contents
- What this standard covers1
- Document data2
What this standard covers
This standard specifies the general principles, terminology, system diagram schematic diagram graphic symbols, plan diagram graphic symbols, and text codes. This standard applies to the electrical design of new, rebuilt, and expanded projects of chemical enterprises.
Document data
Chinese classification (CCS): P72.
Estimated length of the Chinese original: 92,953 words.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 61 pages — is available in the English PDF.
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