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Database: 189760 (18 Oct 2025)
HG/T 20645-2022 English PDF
HG/T 20645: Evolution and historical versions
Standard ID
Contents [version]
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Standard Title (Description)
Status
PDF
HG/T 20645-2022
English
RFQ
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3 days [Need to translate]
(Regulations on Mechanical Design of Pipelines in Chemical Plants)
Valid
HG/T 20645-2022
HG/T 20645.1-2022
English
759
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5 days [Need to translate]
Design standard of piping mechanics for chemical plant - Design contents and depth regulations
Valid
HG/T 20645.1-2022
HG/T 20645.1-1998
English
519
Add to Cart
3 days [Need to translate]
Design Standart Piping Mechanic for Chemical Plant
Obsolete
HG/T 20645.1-1998
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Basic data
Standard ID
HG/T 20645-2022 (HG/T20645-2022)
Description (Translated English)
(Regulations on Mechanical Design of Pipelines in Chemical Plants)
Sector / Industry
Chemical Industry Standard (Recommended)
Classification of Chinese Standard
G90
Word Count Estimation
270,210
Date of Issue
2022-04-08
Date of Implementation
2022-10-01
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This standard stipulates the content and depth of mechanical design documents for chemical plant pipelines, engineering design, professional technical management, preparation conditions and design technology requirements. This standard applies to the piping mechanical design of chemical plants, as well as the design, management and technical development work related to piping mechanical engineering.