ISO INTERNATIONAL STANDARD 9349 Third edition 2017-03 Ductile iron pipes, fittings, accessories and their joints Thermal preinsulated products Tuyaux, raccords et accessoires en fonte ductile et leurs assemblages - Produits préisoles thermiques Reference number IS0 9349:2017(E) International Organization for Standardization @ IS0 2017 =ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under I Not for Resale, 2017/5/16 00:35:49 itted without license from IHS IS0 9349:2017(E) COPYRIGHTPROTECTEDDOCUMENT IS02017,PublishedinSwitzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form 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 copyrightoffice Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 copyright@iso.org www.iso.org Internatinair PrganizationforStandardization ensee-ZHEJIANG INST.OF STANDARDIzARoISQa7 - All rights reserved etworking permitted without license from IHS IS0 9349:2017(E) Contents Page Foreword ..iv 1 Scope 2 Normative references 3 Terms and definitions 4 Technical requirements. .2 4.1 General 2 4.2 Conveying ductile iron pipes and fittings. .3 4.3 Casing of preinsulated pipes 3 4.4 Casing of preinsulated fittings .3 4.4.1 General. 3 4.4.2 HDPE casings .3 4.4.3 Steel casings 4 4.5 Thermal insulation .4 4.6 Joints of conveying pipes and fittings. .4 4.7 Junctions between preinsulated pipes and fittings (on site assembly) .5 Marking. .5 4.8 5 Tables of dimensions .5 iii See=ZHEJIANG INST OF STANDARDIZATION C1 5956617 vided by IHS under lic without license from IHS Not for Resale, 2017/5/16 00:35:49

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