FINAL INTERNATIONAL ISO/FDIS DRAFT STANDARD 19893 ISO/TC 138/SC 5 Plastics piping systems Secretariat: NEN Thermoplastics pipes and fittings for hot Voting begins on: and cold water Test method for the 2011-09-20 resistance of mounted assemblies to Voting terminates on: temperature cycling 2011-11-20 Systemes de canalisations en plastique-Tubes thermoplastiques et raccords pour eau chaude et froide Méthode d'essai de la résistance desassemblagesadescyclesdetemperature RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT, WITH THEIR COMMENTS, NOTIFICATION OF ANY RELEVANT PATENT RIGHTS OF WHICH THEY AREAWAREAND TO PROVIDESUPPORT ING DOCUMENTATION. Reference number BEING ACCEPTABLE FOR INDUSTRIAL,TECHNO ISO/FDIS 19893:2011(E) LOGICAL, COMMERCIAL AND USER PURPOSES DRAFT INTERNATIONAL STANDARDS MAY ON OCCASION HAVE TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE MADE IN ISO 2011 Not for Resale ISO/FDIS19893:2011(E) Copyright notice This IsO document is a Draft International Standard and is copyright-protected by IsO. Except as permitted under the applicable laws of the user's country, neither this iso draft nor any extract from it may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, photocopying, recording or otherwise, without prior written permission being secured Requests for permission to reproduce should be addressed to either IsO at the address below or IsO's member body in the country of the requester. IsO copyright office Case postale 56. CH-1211Geneva 20 Tel. + 4122 749 01 11 Fax+41227490947 E-mail [email protected] Web www.iso.org Reproduction may be subject to royalty payments or a licensing agreement. Violators may be prosecuted. @ ISO 2011 - All rights reserved I without license from IHS Not for Resale ISO/FDIS 19893:2011(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with isO, also take part in the work. iso collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO 19893 was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for the transport of fluids, Subcommittee Sc 5, General properties of pipes, fittings and valves of plastic materials and theiraccessoriesTest methods and basic specifications. ii