ISO INTERNATIONAL STANDARD 14084-1 Firstedition 2015-06-01 Process diagrams for power plants - Part 1: Specification for diagrams Schemas de procedes pourcentrales électriques- Partie 1: Specifications pour diagrammes Reference number IS014084-1:2015(E) iso @IS02015 tional Organization for Standardization Not for Resale, 2015/8/7 06:09:42 Zhejia nstitute of Standardization 5956617 Provided by IHS under lic IS0 14084-1:2015(E) COPYRIGHTPROTECTEDDOCUMENT @ ISo 2015,Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form writtenpermission.PermissioncanberequestedfromeitherIsoattheaddressbeloworIso'smemberbodyinthecountryof the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +4122 749 09 47 copyright@iso.org www.iso.org ganization for Standardization rovided by IHS under lice Not for Resale, 2015/8/7 06:09:42 IS0 14084-1:2015(E) Contents Page Foreword .. Introduction 1 Scope.. 2 Normative references 3 Terms and definitions ..1 4 Basic aspects forprocess diagrams for power plants .2 4.1 General .2 4.2 Diagram types and interrelations 2 4.3 Life cycle aspects. 3 4.4 Contents ofinformation in diagrams .3 5 Diagram types and content. .4 5.1 General. .4 5.2 Block diagram (BLD) 5.2.1 Description. 4 5.2.2 Application. ..4 5.2.3 Contents. 4 5.2.4 Representation .5 5.3 Process flow diagram (PFD) 5 5.3.1 Description. 5 5.3.2 Application. 5 5.3.3 Contents 5 5.3.4 Representation 6 5.3.5 Othertypes ofprocess flow diagrams 6 5.4 Process and instrumentation diagram (PID) 7 5.4.1 Description. 7 5.4.2 Application. 7 5.4.3 Contents... 7 5.4.4 Representation .8 5.5 Process control diagram 8 5.5.1 Description. .8 5.5.2 Application. 8 5.5.3 Contents .8 5.5.4 Representation 9 5.6 Typical diagram. 9 5.6.1 Description. .9 5.6.2 Application. 9 5.6.3 Contents.. 5.6.4 Representation ..10 6 Representation subjects ..10 6.1 General ..10 6.2 Documentsheetissues ..10 6.3 Technical information ..10 6.4 Graphical symbols ..11 6.4.1 General .11 6.4.2 Graphical symbolsforpowerplantdiagrams 6.4.3 Extensionofinformation .11 6.4.4 Combination of graphical symbols ..12 6.4.5 Representationofcomplex/largeobjectsindiagrams .12 6.5 Connections 6.5.1 General. ..12 6.5.2 Indication offlowdirections. ..13 6.5.3 Indication of pipe dimension ..13 ili 2e=Zhejiang Institute of Standardization 5956617 Provided by IHS under license with ISC Not for Resale, 2015/8/7 06:09:42