ISO INTERNATIONAL STANDARD 8772 Second edition 2006-09-15 Plastics piping systems for non-pressure underground drainage and sewerage Polyethylene (PE) Systemesdecanalisationsenplastiquepourlesbranchements et les collecteursd'assainissemententerres sanspressionPolyethylene (PE) Reference number ISO 8772:2006(E) ISO 度 @ISO 2006 ISO8772:2006(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 the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. @ISO2006 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 [email protected] Web www.iso.org Published in Switzerland ii @ ISO 2006 - All rights reserved ISO 8772:2006(E) Contents Page Foreword. . iv 1 Scope. 2 Normative references. 3 Symbols and abbreviated terms .... 3.1 Symbols..... 3.2 Abbreviatedterms 4 Material 4.1 Base material.... 4.2 Reprocessableandrecyclablematerial. 4.3 Melt mass-flow rate... 4.4 Resistance to internal pressure (long-term behaviour) 4.5 4.6 Fusion compatibility... 4.7 Sealing ring retaining means... 5 General characteristics ... 5.1 Appearance .... 5.2 Colour.... 6 Geometrical characteristics.... 6.1 General... 6.2 Dimensions of pipes. 6.3 Dimensions of fittings ..... 6.4 Dimensions of sockets and spigots 6.5 Types of fittings .... 13 7 Mechanical characteristics... 7.1 Mechanical characteristics of pipes ..... 7.2 Mechanical characteristics of fittings... 17 8 Physical characteristics... 8.1 Physical characteristics of pipes... 18 8.2 Physical characteristics of fittings... 19 6 Performance requirements 19 10 Sealing rings . 20 11 Marking. 20 11.1 20 11.2 Minimum required marking of pipes... 20 11.3 Minimum required marking offittings.. 20 Bibliography .. @ ISO 2006 - All rights reserved ili ISO 8772:2006(E) Foreword IsO (the International Organization for Standardization) is a worldwide federation of national standards bodies technical committees. Each member body interested in a subject for which a technical committee has been non-governmental, in liaison with IsO, also take part in the work. Iso collaborates closely with the InternationalElectrotechnicalCommission(lEC)onallmattersofelectrotechnicalstandardization. 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 International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. IsO shall not be held responsible for identifying any or all such patent rights. ISO8772was prepared by Technical Committee ISO/TC 138,Plastics pipes,fittings and valves for the drainage), Thissecondeditioncancelsandreplacesthefirstedition(isO8772:1991),whichhasbeentechnicallyrevised iv ISO2006-All rights reserved INTERNATIONALSTANDARD ISO 8772:2006(E) Plastics piping systems for non-pressure underground drainage and sewerage Polyethylene (PE) 1 Scope This International Standard specifies the requirements for polyethylene (PE) pipes, fittings