ISO 10628-1 - Diagrams for the chemical and petrochemical industry—Part 1: Specification of diagrams

Oct 26, 2026

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ISO 10628-1:2014 specifies rules for producing diagrams used in the chemical and petrochemical industries. It covers classification, information content, and presentation methods for flow diagrams, including block diagrams, process flow diagrams, and piping and instrumentation diagrams (P&ID). The standard also provides drafting rules covering layout, connecting lines, inscription, scale, and limits, and includes an informative annex with examples for process plants.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages11

Reading Time28 min

AccessFree to download

Scope

Normative references

Terms and definitions

Classification, information content, and presentation of flow diagrams

General

Block diagrams

Process flow diagrams

Piping and instrumentation diagrams (P&ID)

Drafting rules

General

Layout of flow diagrams

Connecting lines

Inscription

Scale

Limits

Annex A (informative) Examples of flow diagrams for process plants

Bibliography

INTERNATIONAL STANDARD ISO 10628-1 First edition 2014-09-15 Diagrams for the chemical and petrochemical industry— Part 1: Specification of diagrams Schémas de procédé pour l’industrie chimique et pétrochimique— iTeh STPAarNtieD1: SApéRcifiDcatin esEscVhés Wde procédé( [standards.iteh.ai](standards.iteh.ai)) ISO 10628-1:2014 [https://standards.iteh.ai/catalog/standards/sist/5fbe7939-e2f1-4a3c-ad1a](https://standards.iteh.ai/catalog/standards/sist/5fbe7939-e2f1-4a3c-ad1a) bbf2715c2ef/iso-10628-1-2014 Reference number ISO 10628-1:2014(E) © ISO 2014 ISO 10628-1:2014(E) iTeh STANDARD PREVIEW ( [standards.iteh.ai](standards.iteh.ai)) ISO 10628-1:2014 [https://standards.iteh.ai/catalog/standards/sist/5fbe7939-e2f1-4a3c-ad1a](https://standards.iteh.ai/catalog/standards/sist/5fbe7939-e2f1-4a3c-ad1a)bbf2715c2ef/iso-10628-1-2014 COPYRIGHT PROTECTED DOCUMENT © ISO 2014 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of the requester. ISO copyright office Case postale 56 • CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [copyright@iso.org](copyright@iso.org) [Web www.iso.org](Web www.iso.org)[ ](Web www.iso.org)Published in Switzerland ii © ISO 2014 – All rights reserved ISO 10628-1:2014(E) Contents Page Foreword ........................................................................................................................................................................................................................................ iv 1 Scope ................................................................................................................................................................................................................................. 1 2 Normative references ...................................................................................................................................................................................... 1 3 Terms and definitions ..................................................................................................................................................................................... 1 4 Classification, information content, and presentation of flow diagrams .................................................. 1 4.1 General ........................................................................................................................................................................................................... 1 4.2 Block diagrams........................................................................................................................................................................................ 2 4.3 Process flow diagrams...................................................................................................................................................................... 3 4.4 Piping and instrumentation diagrams (P&ID)............................................................................................................. 3 5 Drafting rules ........................................................................................................................................................................................................... 4 5.1 General ........................................................................................................................................................................................................... 4 5.2 Layout of flow diagrams.............................................................................................

FAQs

What does ISO 10628-1:2014 cover?

It covers classification, information content, and presentation of flow diagrams, and the drafting rules for creating them in the chemical and petrochemical industries.

Which diagram types are included in the standard?

It includes block diagrams, process flow diagrams, and piping and instrumentation diagrams (P&ID).

What drafting rules are provided for creating the diagrams?

The standard provides rules for layout of flow diagrams, connecting lines, inscription, scale, and limits.

Oct 26, 2026

Upload by Ophelia