This document specifies graphical symbols for diagrams related to industrial components, products and processing.
This document constitutes a symbol library, from which users can use the symbols or created symbol examples for use in diagrams (see Tables 1 to 149).
General rules and guidance for the preparation and presentation of graphical symbols are given in ISO 14617-1. Application rules for the symbols are shown in normative Annex A.
This document does not apply to:  
— graphical symbols for fluid power objects, see ISO 1219-1 (the collective application standard of the ISO 14617 series);
— symbols of measurement and control functions such as mathematical functions and process functions;  
— graphical symbols for electrotechnical objects, see the IEC 60617 database.
Symbols deleted from the previous edition of the ISO 14617 series are summarized in informative Annex B as a reference. The alphabetic index of symbols defined in this document is shown in informative Annex C.

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IEC 81355-1:2024 provides rules and guidelines for the classification and designation of information containers based on their inherent content. This document is applicable for information used in the life cycle of a system, e.g., industrial plants, construction entities and equipment.
This document defines classes of information and their information kind classification code (ICC). The defined classes and codes provided are used as values associated with metadata, e.g., in information management systems (see IEC 82045-1 and IEC 82045-2).
The rules, guidelines and classes are general and are applicable to all technical areas, for example, mechanical engineering, electrical engineering, construction engineering and process engineering. They can be used for systems based on different technologies or for systems combining several technologies.
This document also has the status of a horizontal publication in accordance with IEC Guide 108. It is intended for use by technical committees in preparation of publications related to classification and designation of information.
IEC 81355-1:2024 cancels and replaces the second edition of IEC 61355-1 published in 2008. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 61355-1:2008:
a) focusing on classification of information rather that classification of document kinds;
b) introduced a classification scheme based on inherent content of information;
c) introduced a distinction between an information container and a document, the latter being for human perception;
d) introduction of information kind classification code (ICC), replacing document kind classification code (DCC);
e) introduced structuring of information containers;
f) introduced an information model of the concepts dealt with;
g) introduced a conversion table for merging from the use of DCC to the use of ICC.

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This document specifies graphical symbols for diagrams related to industrial components, products and processing. This document constitutes a symbol library, from which users can use the symbols or created symbol examples for use in diagrams (see Tables 1 to 149). General rules and guidance for the preparation and presentation of graphical symbols are given in ISO 14617-1. Application rules for the symbols are shown in normative Annex A. This document does not apply to: — graphical symbols for fluid power objects, see ISO 1219-1 (the collective application standard of the ISO 14617 series); — symbols of measurement and control functions such as mathematical functions and process functions; — graphical symbols for electrotechnical objects, see the IEC 60617 database. Symbols deleted from the previous edition of the ISO 14617 series are summarized in informative Annex B as a reference. The alphabetic index of symbols defined in this document is shown in informative Annex C.

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This document specifies general rules for and gives guidance on the preparation and presentation of graphical symbols for diagrams, which are related to physical industrial components, products and processing.

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IEC 81355-1:2024 provides rules and guidelines for the classification and designation of information containers based on their inherent content. This document is applicable for information used in the life cycle of a system, e.g., industrial plants, construction entities and equipment. This document defines classes of information and their information kind classification code (ICC). The defined classes and codes provided are used as values associated with metadata, e.g., in information management systems (see IEC 82045-1 and IEC 82045-2). The rules, guidelines and classes are general and are applicable to all technical areas, for example, mechanical engineering, electrical engineering, construction engineering and process engineering. They can be used for systems based on different technologies or for systems combining several technologies. This document also has the status of a horizontal publication in accordance with IEC Guide 108. It is intended for use by technical committees in preparation of publications related to classification and designation of information. IEC 81355-1:2024 cancels and replaces the second edition of IEC 61355-1 published in 2008. This edition constitutes a technical revision. This edition includes the following significant technical changes with respect to IEC 61355-1:2008: a) focusing on classification of information rather that classification of document kinds; b) introduced a classification scheme based on inherent content of information; c) introduced a distinction between an information container and a document, the latter being for human perception; d) introduction of information kind classification code (ICC), replacing document kind classification code (DCC); e) introduced structuring of information containers; f) introduced an information model of the concepts dealt with; g) introduced a conversion table for merging from the use of DCC to the use of ICC.

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IEC 81355-1:2024 provides rules and guidelines for the classification and designation of information containers based on their inherent content. This document is applicable for information used in the life cycle of a system, e.g., industrial plants, construction entities and equipment.
This document defines classes of information and their information kind classification code (ICC). The defined classes and codes provided are used as values associated with metadata, e.g., in information management systems (see IEC 82045-1 and IEC 82045-2).
The rules, guidelines and classes are general and are applicable to all technical areas, for example, mechanical engineering, electrical engineering, construction engineering and process engineering. They can be used for systems based on different technologies or for systems combining several technologies.
This document also has the status of a horizontal publication in accordance with IEC Guide 108. It is intended for use by technical committees in preparation of publications related to classification and designation of information.
IEC 81355-1:2024 cancels and replaces the second edition of IEC 61355-1 published in 2008. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC 61355-1:2008:
a) focusing on classification of information rather that classification of document kinds;
b) introduced a classification scheme based on inherent content of information;
c) introduced a distinction between an information container and a document, the latter being for human perception;
d) introduction of information kind classification code (ICC), replacing document kind classification code (DCC);
e) introduced structuring of information containers;
f) introduced an information model of the concepts dealt with;
g) introduced a conversion table for merging from the use of DCC to the use of ICC.

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This document specifies how the symbolic representation of thermally sprayed coatings is indicated on drawings.

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IEC 61666:2010 establishes general principles for the identification of terminals of objects within a system, applicable to all technical areas (for example mechanical engineering, electrical engineering, construction engineering, process engineering). They can be used for systems based on different technologies or for systems combining several technologies. This second edition cancels and replaces the first edition of IEC 61666 published in 1997 and edition constitutes a technical revision. It includes the following substantial changes with respect to the previous edition:
- the terminology used in the publication has been adapted to the one used in IEC 81346-1 Ed. 2;
- a more comprehensive description of the designation principles is provided;
- additional examples illustrating terminal designations related to the function aspect and location aspect are provided;
- an additional example illustrating the use of terminal designation sets is provided;
- the former informative Annex A has been turned into a clause in the standard.
IEC 61666:2010 has the status of a horizontal standard in accordance with IEC Guide 108

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This document specifies how the symbolic representation of thermally sprayed coatings is indicated on drawings.

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This document specifies how the symbolic representation of thermally sprayed coatings is indicated on drawings.

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This document provides terms, abbreviations and graphical symbols for use in maritime navigation on board ships. Symbols for use in mathematical formulae are also given, as applicable.

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ISO 1219-3:2016 supplements ISO 1219-1 and ISO 1219-2 by specifying rules for the generation and combination of symbols of connectable components in circuit diagrams. Using these symbols, the design envelope and piping can be reduced.

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ISO 14084-1:2015 specifies types of process diagrams for power plants and rules and guidelines for the preparation and representation of information in such diagrams.

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ISO 15519-2:2015 provides rules and guidelines for representation of measurement, control, and actuation in diagrams for process industry.

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This European Standard applies to surface cleaning machines for outdoor applications in public areas, roads, airports and industrial complexes. Cleaning machines for winter maintenance and/or indoor applications are not included within the scope of this European Standard. Surface cleaning machines in terms of this standard, are self-propelled, truck mounted, attached sweeping equipment or pedestrian controlled as disclosed in EN 15429-1.
Surface cleaning machines by way of their function, have specialized equipment necessary to perform their task.
This European Standard deals with graphical symbols uniquely used to indicate the function and status of operator controls and tell-tale displays of the specialized equipment.
Common symbols that are included in other standards and applied to a wider range of machines are not included. Typically, symbols in this category that may equally be applied to surface cleaning machines can be found in ISO 2575 Road vehicles – Symbols for controls, indicators and tell-tales, and ISO 6405 Earth moving machinery – Symbols for operator and other displays – Part 1: Common Symbols.
This European Standard does not apply to machines or components that are specifically designed for cleaning tramlines and rail tracks.
Industrial sweepers, within the scope of EN 60335-2-72 are excluded from this European Standard.
This European Standard applies to machines manufactured after the approval date of the standard by CEN.

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ISO 14084-2:2015 specifies graphical symbols for process diagrams for power plants and guidelines for creation of new graphical symbol examples. ISO 14084-2:2015 is a collective application standard of the ISO 14617‑series. Graphical symbols for fluid power diagrams can be found in ISO 1219‑1. Graphical symbols for electrotechnical diagrams can be found in IEC 60617.

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This European Standard applies to surface cleaning machines for outdoor applications in public areas, roads, airports and industrial complexes. Cleaning machines for winter maintenance and/or indoor applications are not included within the scope of this European Standard. Surface cleaning machines in terms of this standard, are self-propelled, truck mounted, attached sweeping equipment or pedestrian controlled as disclosed in EN 15429-1.
Surface cleaning machines by way of their function, have specialized equipment necessary to perform their task.
This European Standard deals with graphical symbols uniquely used to indicate the function and status of operator controls and tell-tale displays of the specialized equipment.
Common symbols that are included in other standards and applied to a wider range of machines are not included. Typically, symbols in this category that may equally be applied to surface cleaning machines can be found in ISO 2575 Road vehicles – Symbols for controls, indicators and tell-tales, and ISO 6405 Earth moving machinery – Symbols for operator and other displays – Part 1: Common Symbols.
This European Standard does not apply to machines or components that are specifically designed for cleaning tramlines and rail tracks.
Industrial sweepers, within the scope of EN 60335-2-72 are excluded from this European Standard.
This European Standard applies to machines manufactured after the approval date of the standard by CEN.

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ISO 10628-1:2014 specifies the classification, content, and representation of flow diagrams. In addition, it lays down drafting rules for flow diagrams for chemical and petrochemical industry.
ISO 10628 does not apply to electrical engineering diagrams. ISO 10628-1:2014 is a collective application standard of ISO 15519.

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IEC 61158-6-9:2014 defines the protocol provided to define the wire-representation of the service primitives defined in IEC 61158-5-9, and define the externally visible behavior associated with their transfer. This standard specifies the protocol of the Type 9 fieldbus application layer, in conformance with the OSI Basic Reference Model (ISO/IEC 7498-1) and the OSI application layer structure (ISO/IEC 9545). This third edition cancels and replaces the second edition published in 2010 and constitutes a technical revision. The main changes are:
- Correct Time-difference valid range;
- Correct Table 3 state transition;
- Include Transparent timeliness class in BNU AREP formal model.

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ISO 1219-1:2012 establishes basic elements for symbols. It specifies rules for devising fluid power symbols for use on components and in circuit diagrams.
ISO 1219-1:2012 is a collective application standard of the ISO 14617 series. In ISO 1219-1:2012, the symbols are designed in fixed dimensions to be used directly in data processing systems, which might result in different variants.

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ISO 1219-2:2011 establishes the main rules for drawing hydraulic and pneumatic circuit diagrams using graphical symbols drawn in accordance with ISO 1219-1.
ISO 1219-2:2011 also applies to circuit diagrams relating to cooling systems, lubrication systems, cooling lubricant systems and systems of technical gases used in conjunction with fluid power applications.

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IEC 61666:2010 establishes general principles for the identification of terminals of objects within a system, applicable to all technical areas (for example mechanical engineering, electrical engineering, construction engineering, process engineering). They can be used for systems based on different technologies or for systems combining several technologies. This second edition cancels and replaces the first edition of IEC 61666 published in 1997 and edition constitutes a technical revision. It includes the following substantial changes with respect to the previous edition: - the terminology used in the publication has been adapted to the one used in IEC 81346-1 Ed. 2; - a more comprehensive description of the designation principles is provided; - additional examples illustrating terminal designations related to the function aspect and location aspect are provided; - an additional example illustrating the use of terminal designation sets is provided; - the former informative Annex A has been turned into a clause in the standard.

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ISO 10628-2:2012 defines graphical symbols for the preparation of diagrams for the chemical and petrochemical industry. It is a collective application standard of the ISO 14617 series.
ISO 10628-2:2012 does not apply to graphical symbols for electrotechnical diagrams; for these, see IEC 60617.

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ISO 10628-2:2012 defines graphical symbols for the preparation of diagrams for the chemical and petrochemical industry. It is a collective application standard of the ISO 14617 series.
ISO 10628-2:2012 does not apply to graphical symbols for electrotechnical diagrams; for these, see IEC 60617.

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ISO 10628-2:2012 defines graphical symbols for the preparation of diagrams for the chemical and petrochemical industry. It is a collective application standard of the ISO 14617 series. ISO 10628-2:2012 does not apply to graphical symbols for electrotechnical diagrams; for these, see IEC 60617.

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ISO 1219-2:2011 establishes the main rules for drawing hydraulic and pneumatic circuit diagrams using graphical symbols drawn in accordance with ISO 1219-1. ISO 1219-2:2011 also applies to circuit diagrams relating to cooling systems, lubrication systems, cooling lubricant systems and systems of technical gases used in conjunction with fluid power applications.

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ISO 1219-1:2012 establishes basic elements for symbols. It specifies rules for devising fluid power symbols for use on components and in circuit diagrams. ISO 1219-1:2012 is a collective application standard of the ISO 14617 series. In ISO 1219-1:2012, the symbols are designed in fixed dimensions to be used directly in data processing systems, which might result in different variants.

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ISO 15081:2011 establishes graphical symbols for use on drawings and diagrams relating to the installation of pressurized agricultural irrigation systems.

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IEC 61355-1:2008 provides rules and guidelines for the classification of documents based on their characteristic content of information. This second edition cancels and replaces the first edition published in 1997. The main changes with respect to the previous edition are listed below: - Table A.2 has been extended under code P; - Table B.1 in the first edition has been omitted from this second edition; it is being replaced by a separate standard in database format IEC 61355 DB. IEC 61355 DB database provides brief definitions of a set of internationally standardized document kinds, including requirements on the contents of information, references to appropriate sources and the applicable classification in accordance with IEC 61355-1. IEC 61355 DB is intended to be used in conjunction with IEC 61355-1 ed2.0.

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ISO 15519-1:2010 provides general rules and guidelines for the preparation and presentation of information in diagrams for process industry.

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ISO 17338:2009 specifies the design and layout of drawings for indicating the fire rating of thermal and structural boundaries (divisions) for fire protection of ships.

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IEC 61355-1:2008 provides rules and guidelines for the classification of documents based on their characteristic content of information. This second edition cancels and replaces the first edition published in 1997. The main changes with respect to the previous edition are listed below:
- Table A.2 has been extended under code P;
- Table B.1 in the first edition has been omitted from this second edition; it is being replaced by a separate standard in database format IEC 61355 DB.
IEC 61355 DB database provides brief definitions of a set of internationally standardized document kinds, including requirements on the contents of information, references to appropriate sources and the applicable classification in accordance with IEC 61355-1. IEC 61355 DB is intended to be used in conjunction with IEC 61355-1 ed2.0.
IEC 61355-1:2008 has the status of a horizontal standard in accordance with IEC Guide 108.

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Contains conventions, helpful when applying IEC 60617 to symbols for catalogues of real devices, and shows preferable choices where alternative techniques are provided in the standard. It also helps to create symbols having as consistent an appearance as possible, not depending on the originator, while still accurately representing the function.

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ISO 14617-1:2005 serves as an introduction to all the other parts of ISO 14617. In particular, it gives information on the creation and use of registration numbers for identifying graphical symbols used in diagrams, rules for the presentation and application of these symbols, and examples of their use and application. It includes three indexes: an alphabetic index and an index of registration numbers -- both concerned uniquely with ISO 14617-2 to ISO 14617-12 -- and an index of cross-references to related items found in other International Standards.

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ISO 14617-14:2004 specifies graphical symbols in diagrams for components and devices for material transport and handling.

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ISO 14617-13:2004 specifies graphical symbols in diagrams for casting machines and machine tools.

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The symbols system is intended for simplifying the preparation of diagrams of products in all branches of industry and is to be used in technical documentation as well as in technical and educational literature. It will facilitate the execution and understanding of such diagrams by specialists of different countries. This part contains miscellaneous mechanisms and their components.

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The symbols system is intended for simplifying the preparation of diagrams of products in all branches of industry and is to be used in technical documentation as well as in technical and educational literature. It will facilitate the execution and understanding of such diagrams by specialists of different countries. This part contains friction and gear mechanisms and cam mechanisms.

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The symbols system is intended for simplifying the preparation of diagrams of products in all branches of industry and is to be used in technical documentation as well as in technical and educational literature. This part contains the following: Motion of links of mechanisms, kinematic pairs, links and connections of their components, and N-bar linkages and their components.

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The symbols system is intended for simplifying the preparation of diagrams of products in all branches of industry and is to be used in technical documentation as well as in technical and educational literature. It will facilitate the execution and understanding of such diagrams by specialists of different countries. This part contains Geneva and ratchet mechanisms as well as couplings and brakes.

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ISO 14617-15:2002 specifies graphical symbols for use on installation diagrams (e.g. for buildings) and network maps, supplementing the symbols specified in ISO 14617-2 to ISO 14617-12. Symbols on such diagrams are used mainly to indicate the location and type of a component or device.

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