ISO INTERNATIONAL STANDARD 7396-1 Third edition 2016-02-15 Medical gas pipeline systems Part 1: Pipeline systems for compressed medical gases and vacuum Systemesdedistributiondegazmedicaux- Partie 1: Systemes de distribution de gaz medicaux comprimés et de vide Reference number ISO 7396-1:2016(E) ISO Intermational Organization for Standardization @IS02016 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 ted without license from IHS IS0 7396-1:2016(E) COPYRIGHTPROTECTEDDOCUMENT IS02016,Published inSwitzerland 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. ISOcopyrightoffice 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 Licensee-ZHEJIANG INST OF STANDARDIZoISQ0d6-All rights reserved networking permited without license from IHS Not for Resale, 2016/4/26 02:05:45 No reproduction or IS0 7396-1:2016(E) Contents Page Foreword ..vi Introduction. ..vi 1 (*) Scope 2 Normative references ... 3 Terms and definitions 4 General requirements ..9 4.1 (*) Safety. .9 4.2 (*)Alternativeconstruction .10 4.3 Materials. ..10 4.4 System design. ..12 4.4.1 General ..12 4.4.2 Extensions and modifications of existing pipeline systems .12 5 Supply systems .13 5.1 System components. ..13 5.2 General requirements .13 5.2.1 Capacity and storage ..13 5.2.2 Continuity of supply ..13 5.2.3 Primary source of supply .14 5.2.4 Secondary source of supply .14 5.2.5 Reserve source(s) of supply ..14 5.2.6 Means of pressure relief ..15 5.2.7 Maintenance supplyassembly .15 5.2.8 Pressureregulators ..16 5.2.9 (*)Ozone Sterilizers. ..16 5.3 Supply systems with cylinders, cylinder bundles or high-pressure reservoir(s) ..16 5.4 Supply systems with cryogenic or non-cryogenic vessels ..16 5.5 Supply systems for air. .17 5.5.1 Generalrequirements .17 5.5.2 Supply systems with air compressor(s) 18 5.5.3 Supplysystemswithproportioningunit(s) 21 5.6 Supplysystemswithoxygenconcentrator(s) 23 5.6.1 General requirements. .23 5.6.2 Primary source of supply 23 5.6.3 Secondary source of supply .23 5.6.4 Reserve source of supply .24 5.6.5 Specifications for oxygen 93 24 5.6.6 Oxygen concentratorunit. .25 5.6.7 Oxygen 93 reservoirs 25 5.6.8 Oxygen analysers 25 5.6.9 Local filling of permanently attached high-pressure reservoir(s), acting as reserve source of supply 26 5.7 Supply systems forvacuum. 27 5.8 Locationof supplysystems .28 5.9 Locationofcylindermanifolds. 28 5.10 Location of stationary cryogenic vessels .29 6 Monitoring and alarm systems .29 6.1 General. 29 6.2 Installation requirements. 29 6.3 Monitoring and alarm signals 30 6.3.1 General .30 6.3.2 Auditory signals .30 6.3.3 Visual signals. .30 iii LicenSee=ZHEJIANG INST OF STANDARDIZATION C1 5956617 No reproduction or networking perm ithout license from IHS