Standard No.:	GB 7231-2003
English Name:	Basic indentification colors and code indications and safety sign for industrial pipelines
Chinese Name:	工业管道的基本识别色、识别符号和安全标识
Chinese Classification:	C65    Labor safety technology in general
Professional Classification:	GB    National Standard
Issued by:	AQSIQ
Issued on:	2003-3-13
Implemented on:	2003-10-1
Status:	valid
Superseding:	GB 7231-1987
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	40.0
Delivery:	via email in 1 business day

This standard specifies the basic identification colors and code indications and safety sign for industrial pipelines. This standard is applicable to aboveground gas and liquid transmission pipelines in the industrial production.

1 Scope 2 Normative References 3 Definitions 4 Basic Identification Colors 5 Code Indications 6 Safety Signs Appendix A (Normative) Application Examples for Marking Methods of Basic Identification Colors and Identification Signs

* GB 2893-1982
* GB 13495-1992 Fire safety signs
* GB 13690-1992