Standardisation of specific rules for:

  • a) process plant documentation
  • b) application of simplified representation
  • c) application of structuring principles and reference designation.

Standardization of graphical symbols used in process plant documentation is coordinated with IEC, including establishing and maintaining a database, from which any technical committee may prepare collective symbol standards.

Quick links


Published ISO standards *


ISO standards under development *

Participating members
Observing members

* number includes updates

Reference Title Type
ISO/TC 10/SC 10/JWG 10   Joint ISO/TC 10/SC 10 - IEC/TC 3 WG: Reference designation system Working group
ISO/TC 10/SC 10/WG 13   Graphical symbols for diagrams Working group
Liaison Committees to ISO/TC 10/SC 10

The committees below can access the documents of ISO/TC 10/SC 10:

Reference Title ISO/IEC
IEC/TC 3 Documentation, graphical symbols and representations of technical information IEC
IEC/TC 65 Industrial-process measurement, control and automation IEC
ISO/TC 10/SC 8 Construction documentation ISO
ISO/TC 59/SC 13 Organization and digitization of information about buildings and civil engineering works, including building information modelling (BIM) ISO
ISO/TC 85 Nuclear energy, nuclear technologies, and radiological protection ISO
ISO/TC 145/SC 1 Public information symbols, signs and guidance system ISO


Liaison Committees from ISO/TC 10/SC 10

ISO/TC 10/SC 10 can access the documents of the committees below:

Reference Title ISO/IEC
ISO/TC 8/SC 3 Piping and machinery ISO
ISO/TC 131 Fluid power systems ISO

ISO/TC 10/SC 10 - Secretariat

DIN [Germany]

DIN Deutsches Institut für Normung e.V.
Am DIN-Platz, Burggrafenstraße 6
D-10787 Berlin

Tel: +49 30 2601-0
Fax: +49 30 26 01 12 31