ISO INTERNATIONAL STANDARD 4427-5 Second edition 2019-08 Plastics piping systems for water supply, and for drainage and sewerage under pressure Polyethylene (PE) Part 5: Fitness for purpose of the system Systemes de canalisations en plastique destinés a I'alimentation eneauetauxbranchementsetcollecteursd'assainissementsous pression Polyéthylene (PE) Partie 5: Aptitude a I'emploi du systeme Reference number IS0 4427-5:2019(E) IS @ IS0 2019 IS0 4427-5:2019(E) COPYRIGHTPROTECTEDDOCUMENT @IS02019 All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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 below or Iso's member body in the country of the requester. ISO copyright office CP 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone:+41227490111 Fax: +4122 749 09 47 Email: [email protected] Website: www.iso.org Published in Switzerland ii @ IS0 2019 - All rights reserved