ISO INTERNATIONAL STANDARD 15874-3 Second edition 2013-02-15 Plastics piping systems for hot and cold water installations Polypropylene (PP) - Part 3: Fittings Systemes de canalisations en plastique pourles installations d'eau chaude et froide-Polypropylene (PP) Partie 3: Raccords Reference number ISO 15874-3:2013(E) LSO @ISO 2013 IHS under itted without license from IHS Not for Resale ISO15874-3:2013(E) COPYRIGHTPROTECTEDDOCUMENT ISO2013 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 member body in the country of the requester. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published in Switzerland @ ISO 2013 -All rights reserved No reproductic etworking permitted without license from IHS Not for Resale ISO15874-3:2013(E) Contents Page Foreword ..iv Introduction 1 Scope. 2 Normative references 3 Terms and definitions, symbols and abbreviated terms 2 3.2 Mechanical fittings.. 3.3 Fittings for fusion... 3 4 Material characteristics 3 4.1 Plastics fitting material. 4.2 Metallic fitting material... 5 4.3 Influence on water intended for human consumption 5 5 General characteristics. 5 5.1 Appearance 5 5.2 Opacity .5 6 Geometricalcharacteristics 6 6.1 General 6 6.2 Dimensions of sockets for socket fusion and electrofusion fittings 6 6.3 Dimensions of metallic fittings... 9 7 Mechanical characteristics of plastics fittings.... .10 7.1 General...... 10 7.2 Fitting material identical to the PP pipe compound . 10 7.3 Fitting made from PP not identical to the PP pipe compound 10 7.4 Fittings made from plastics other than PP... .10 8 Physical and chemical characteristics of plastics components 12 9 Sealing elements .13 10 Performance requirements. ..13 11 Marking.. .13 11.1 Generalrequirements 13 11.2 Minimum required marking .13 11.3 Additional marking 14 Bibliography 15 ili ed without license from IHS Not for Resale