Standard No.:	HG/T 20512-2000
Chinese Name:	化工自控设计规定 (二) 仪表供电设计规定
English Name:	Design code for instrument tubing and wiring
Professional Classification:	P72 Petrochemical and chemical industry engineering
Professional Classification:	HG Professional Standard - Chemistry
Issued by:
Issued on:	2000-11-22
Implemented on:	2001-06-01
Status:	ABOLISHED
Replace:	HG/T20512-1992,HG/T20512-2014
Replace By:	HG/T20512-1992,HG/T20512-2014
Replace By Date:
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	255 (USD)
Delivery:	via email in 1-3 business day

1 General Rules

1.0.1 This Code is applicable to the design of the tubing and wiring of the measuring pipeline, power supply and signal transmission system in measurement and control instrument of chemical plant installations.
1.0.2 During the implementation of this Code, the provisions in the current relevant national standards shall also be complied with.


2 Basic Principles

2.0.1 The engineering design of tubing and wiring shall meet such requirements as accurate measurement of the instrument, reliable signal transmission, lag reduction, economy, safety and practicality, trim and beautiful tubing (wiring) route and facilitation to construct and maintain.
2.0.2 In tubing and wiring design, measures againt the environments such as fire and explosive risk, dust, corrosion, high temperature, humidity, vibration, static, lightning stroke and disturbance of electromagnetic field shall be adopted.