HG/T 20637.2-2017 English PDF

US$759.00 · In stock
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HG/T 20637.2-2017: Code for preparation of engineering design documents of instrumentation in chemical industry Symbols and identification for instrumentation engineering design
Status: Valid

HG/T 20637.2: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
HG/T 20637.2-2017	759	Add to Cart	6 days	Code for preparation of engineering design documents of instrumentation in chemical industry Symbols and identification for instrumentation engineering design	Valid
HG/T 20637.2-1998	RFQ	ASK	7 days	Symbols and identifiers for engineering design of instrumentation	Obsolete

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Basic data

Standard ID: HG/T 20637.2-2017 (HG/T20637.2-2017)
Description (Translated English): Code for preparation of engineering design documents of instrumentation in chemical industry Symbols and identification for instrumentation engineering design
Sector / Industry: Chemical Industry Standard (Recommended)
Classification of Chinese Standard: P94
Classification of International Standard: 25.040.40; 71.010
Word Count Estimation: 33,328
Date of Issue: 2017-11-07
Date of Implementation: 2018-04-01
Older Standard (superseded by this standard): HG/T 20637.2-1998
Regulation (derived from): Ministry of Industry and Information Technology Bulletin 2017 No.48
Issuing agency(ies): Ministry of Industry and Information Technology
Summary: This standard specifies the instrument circuit diagram graphic symbol, logic diagram graphic symbol, instrument position map graphic symbol, semi-simulation flow chart and process display graphic symbol, instrument common electrical equipment graphic symbol and text code, other common text code.

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