ISO INTERNATIONAL STANDARD 21003-2 First edition 2008-07-01 Multilayer piping systems for hot and cold water installations inside buildings - Part 2: Pipes Systemes de canalisations multicouches pour installations d'eau chaude et froide a I'interieur des batiments - Partie 2: Tubes Reference number ISO 21003-2:2008(E) @ ISO 2008 yIHS under Not for Resale ISO 21003-2:2008(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. COPYRIGHTPROTECTEDDOCUMENT @ ISO2008 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's memberbody in the country of the requester. ISO copyright office Case postale 56. CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISo 2008 - All rights reserved without license from IHS Not for Resale ISO 21003-2:2008(E) Contents Page Foreword. iv Introduction. 1 Scope 2 Normativereferences 3 Termsanddefinitions 4 Symbols and abbreviated terms ... 5 Material .... 5.1 General 5.2 Processable materials 5.3 Influenceonwaterintendedforhuman consumption. 6 General characteristics 6.1 Appearance 6.2 Opacity.. 7 Construction 8 Geometrical characteristics. 8.1 8.2 Dimensions of pipes 9 Pressure strength ...... 9.1 Long-term pressure strength (PLPL). 9.2 Design pressure strength (pp)... 10 Thermal durability... 10.1 Thermal durability of P-pipes 10.2 Thermal durability of M-pipes 11 Strength of the weld line of M-pipes. 12 Delamination 5 12.1 Multilayer P-pipes 12.2 Multilayer M-pipes. 13 Oxygen permeability. 14 Physical and chemical characteristics ..... 6 15 Performance requirements 16 Marking .... 16.1 General requirements... 16.2 Minimum required marking.... Annex A (normative) List of reference product standards .... 8 Annex B (normative) Design coefficients for multilayer pipes.. Annex C (normative) Determination of the thermal durability of the outer layer of M-pipes from resistance to cracking after oven ageing ..... 10 Annex D (normative) Determination of the thermal durability of the outer layer of M-pipes from the elongation at break after 50 years . 12 Annex E (normative) Multilayer M-pipes - Choice of pp and the use of Miner's rule .... Bibliography. 18 Copyright International Organization forstandardizalion'ghts reserved ii from IHS Not for Resale