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China
National Standards
Abolished
GB 7231-2003

Basic identification colors and code indications and safety sign for industrial pipelines

Update Date: Mar 2, 2026
Latest Published
Mar 13, 2003
Implemented
Oct 1, 2003
Abolished
Mar 1, 2026
New Standards
This standard will be replaced by GB 2894-2025 Safety Colours and Safety Signs on March 1, 2027.
Industry
Chemical
Region
China
Issuing Authority
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Main Content
This standard specifies the basic identification colors, code indications, and safety signs for industrial pipelines used in the transportation of gases and liquids that are not buried underground in industrial production settings.
Operation
Translations
Basic identification colors and code indications and safety sign for industrial pipelines
Free
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