DEXPI P&ID Specification

Version 1.3

Released by the DEXPI Initiative on June 1, 2021



This specification is provided by the DEXPI Initiative under the terms of the Creative Commons Attribution 4.0 International License (CC BY 4.0). The full Legal Code of the license is available at The following informative text is reproduced from

You are free to:

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The licensor cannot revoke these freedoms as long as you follow the license terms.

Under the following terms:

  • Attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.

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You do not have to comply with the license for elements of the material in the public domain or where your use is permitted by an applicable exception or limitation.

No warranties are given. The license may not give you all of the permissions necessary for your intended use. For example, other rights such as publicity, privacy, or moral rights may limit how you use the material.


  • Yannik Filke (PTC)

  • Luis Gomez (AVEVA)

  • Leon Hanke (Aucotec)

  • Idar Pe Ingebrigtsen (Equinor)

  • David Kochmanski (Covestro)

  • Marko Luukkainen (Semantum)

  • Reiner Meyer-Rössl (Autodesk)

  • Felix Schumacher (Siemens)

  • Paul Snijder (Hexagon)

  • Heiner Temmen (Evonik)

  • Manfred Theißen (pnb plants & bytes/AixCAPE)

  • Gregor Tolksdorf (Evonik)

  • David Vazquez-Landa (BASF)

  • Axel Wagner (Covestro)

  • Wolfgang Welscher (X-Visual)

  • Michael Wiedau (Evonik)