GB/T 24671-2023 English PDF

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GB/T 24671-2023: Agricultural irrigation equipment - Graphical symbols for pressurized irrigation systems
Status: Valid

GB/T 24671: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24671-2023	294	Add to Cart	3 days	Agricultural irrigation equipment - Graphical symbols for pressurized irrigation systems	Valid
GB/T 24671-2009	519	Add to Cart	3 days	Agricultural irrigation equipment -- Graphical symbols for pressurized irrigation systems	Obsolete

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GB/T 24674   GB/T 33006   GB/T 25409   GB/T 24675.2   GB/T 24675.1   

Basic data

Standard ID: GB/T 24671-2023 (GB/T24671-2023)
Description (Translated English): Agricultural irrigation equipment - Graphical symbols for pressurized irrigation systems
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: B91
Classification of International Standard: 65.060.35
Word Count Estimation: 16,138
Date of Issue: 2023-11-27
Date of Implementation: 2024-06-01
Older Standard (superseded by this standard): GB/T 24671-2009
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 24671-2023: Agricultural irrigation equipment - Graphical symbols for pressurized irrigation systems

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 65:060:35 CCSB91 National Standards of People's Republic of China Replace GB/T 24671-2009 agricultural irrigation equipment Pressurized irrigation system graphic symbols Published on 2023-11-27 2024-06-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1:1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting: This document replaces GB/T 24671-2009 "Graphic symbols for pressure-bearing irrigation systems of agricultural irrigation equipment" and is consistent with GB/T 24671-2009 In comparison, in addition to structural adjustments and editorial changes, the main technical changes are as follows: a) Changes to the “Basic Rules” (see Chapter 4, Chapter 3 of the:2009 edition); b) Changed the graphical symbol of “main (trunk) pipeline” (see 5:1, 4:1 of the:2009 edition); c) Change "branch (branch) pipeline" to "branch pipeline" and divide it into "branch (secondary) pipeline" and "branch (third-level) pipeline" (see 5:2,:2009 edition 4:2); d) Change "pipeline to be added later (planned)" to "pipeline to be expanded (planned)" (see 5:3, 4:3 of the:2009 version); e) Change "existing pipelines to be utilized" to "existing pipelines to be used" (see 5:4, 4:4 of the:2009 version); f) Change "pipe connection" to "pipe joint" (see 5:5, 4:5 of the:2009 version); g) Added the graphic symbol of eccentric reducer (see 5:10:2); h) Added replacement pipeline graphical symbols (see 5:11:2); i) Change "failure to open valve" to "failure to open valve (normally open)"; change "failure to close valve" to "failure to close valve (normally closed)"; "Failure to remain in position valve" is changed to "valve to remain in failure state" (see 7:2:1, 6:2:1 of the:2009 version); j) The graphical symbol of the manual valve has been changed (see 7:2:2, 6:2:2 of the:2009 version); k) Added check valve flow direction requirements (see 7:3:1); l) Change "duplex multi-function intake and exhaust valve" to "dual/triple function intake and exhaust valve" (see 7:3:2:3, 6:3:2:3 of the:2009 version); m) Added the graphical symbol of the bottom valve (see 7:3:6); n) Added graphical symbols for pumps (see 8:1:1, 8:1:2, 8:1:3, 8:1:4, 8:1:5); o) Added graphical symbols for water meters (see 9:2:1, 9:2:2, 9:2:3, 9:2:4); p) Added sand filter graphic symbol (see 11:3): This document is equivalent to ISO 15081:2011 "Graphic Symbols for Pressure Irrigation Systems of Agricultural Equipment": A "Terms and Definitions" chapter has been added to this document: This document has made the following minimal editorial changes: ---In order to coordinate with the existing standards, the name of the standard is changed to "Graphic Symbols for Pressure Irrigation Systems of Agricultural Irrigation Equipment": Please note that some content in this document may be subject to patents: The publisher of this document assumes no responsibility for identifying patents: This document is proposed by China Machinery Industry Federation: This document is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201): This document was drafted by: China Academy of Agricultural Mechanization Sciences Group Co:, Ltd:, Jiangsu Huisheng Pipe Industry Group Co:, Ltd:, Jiangsu University Xue Fluid Mechanical Engineering Technology Research Center, Wenling Tiantai Electric Co:, Ltd:, Taizhou Yuansheng Aquaculture Machinery Co:, Ltd:, Wenling Product Quality Inspection Institute, Wenling Fangyuan Inspection Co:, Ltd: The main drafters of this document: Zhao Liwei, Zhou Feng, Wang Yang, Zhang Xiansheng, Fang Yujian, Gao Yuan, Jin Linbing, Zhu Jianjun, Wang Guojun, Sun Meng, Chen Lingtong, Ning Chao, Cao Puyu, Xingli, Lu Shusheng, Li Guidong: This document was first published in:2009 and this is the first revision: agricultural irrigation equipment Pressurized irrigation system graphic symbols

1 Scope

This document specifies graphical symbols for use on drawings and diagrams relating to the installation of agricultural pressure-contained irrigation systems: This document is ISO 14617 A combination of application standards for a series of standards:

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document: ISO 81714-1 Design of graphical symbols for technical product documentation Part 1: Basic rules (Design of graphical

3 Terms and definitions

There are no terms or definitions to be defined in this document:

4 basic rules

A group of equipment/components can be represented using basic symbols: The complete basic Symbol representation: In this document, various valves and their actuator assemblies are only represented by the basic valve symbols (see 7:1:1), but these actuators can control Manufacture various types of valves: In order to make the content represented more detailed, basic symbols can be used in combination with prescribed names, or a series of symbols can be designed based on the basic symbols: More detailed symbols: The graphical symbols in this document are designed according to the principles specified in ISO 81714-1: Design new symbols (such as the combinators in this document ), these basic principles should be followed: This document only specifies the main graphical symbols for irrigation equipment: Other graphical symbols used in diagrams are found in ISO 14617 [17]: ......

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