Standard No.:	HG/T 20512-2000
English Name:	Design code for instrument tubing and wiring
Chinese Name:	仪表配管配线设计规定
Professional Classification:	HG    Professional Standard - Chemistry
Source Content Issued by:	SBPCI
Issued on:	2000-11-22
Implemented on:	2001-6-1
Status:	superseded
Superseded by:	HG/T 20512-2014 Design code for instrument piping and wiring
Superseded on:	2014-10-1
Target Language:	English
File Format:	PDF
Word Count:	5000 words
Translation Price(USD):	120.0
Delivery:	via email in 1 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.

1 General Rules 2 Basic Principles 3 Selection of Measuring Pipeline 4 Pneumatic Signal Pipeline Selection 5 Measuring Pipeline and Pneumatic Signal Pipeline Laying 6 Selection of Wire and Cable 7 Wire and Cable Laying 8 Tubing and Wiring inside of the Instrument Panel (Box, Cabinet) Explanation of Wording in This Code