Standard No.:	HG/T 20637.8-1998
Chinese Name:	仪表辅助设备及电缆、管缆的编号
English Name:	Numbering of auxiliary equipment，cables and tubes
Professional Classification:	P94 Metal equipment and process pipe installation engineering
Professional Classification:	HG Professional Standard - Chemistry
ICS Classification:	25.040.40 Industrial process measurement and control
Issued by:
Issued on:	1998-06-22
Implemented on:	1999-01-01
Status:	ABOLISHED
Replace By:	HG/T20637.8-2017
Replace By Date:
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120 (USD)
Delivery:	via email in 1-3 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.