Standard No.:	HG/T 20637.8-1998
English Name:	Numbering of auxiliary equipment，cables and tubes
Chinese Name:	仪表辅助设备及电缆、管缆的编号
Chinese Classification:	P94    Metal equipment and process pipe installation engineering
Professional Classification:	HG    Professional Standard - Chemistry
ICS Classification:	25.040.40 25.040.40    Industrial process measurement and control 25.040.40
Issued by:	State Bureau of Petroleum and Chemical Industries
Issued on:	1998-6-22
Implemented on:	1999-1-1
Status:	superseded
Superseded by:	HG/T 20637.8-2017 Numbering of auxiliary equipment and cable
Superseded on:	2018-4-1
Abolished on:	2018-04-01
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	294.0
Delivery:	via email in 1 business day

1.0.1 This provision is guide for numbering of instrumentation auxiliary equipment, cables and tubes in the preparation of automation engineering documents. 1.0.2 This provision is the numbering of auxiliary equipment, cables and tubes such as instrument panel (cabinet and box), operating floor, auxiliary cabinet, terminal cabinet, connection box (case), protection box (incubator), pipe connecting box and air distributor, excluding the numbering of DCS operation station and equipment cabinet. In the numbering of auxiliary equipment, cables and tubes, the identifiers adopted shall comply with the requirements of "Symbols and identifiers for engineering design of instrumentation" (HG/T 20637.2). 1.0.3 Relevant standards are as follows: HG/T 20637.2 Symbols and identifiers for engineering design of instrumentation HG/T 20638 Specification for Details of Engineering Design of Instrumentation During the implementation of this provision, the provisions in the current relevant standards of the state shall be complied with.