ISO INTERNATIONAL STANDARD 12176-2 Second edition 2008-06-15 Plastics pipes and fittings Equipment for fusion jointing polyethylene systems Part 2: Electrofusion Tubes et raccordsenmatieresplastiques-Appareillagepour I'assemblagepar soudage des systemes enpolyethylene Partie2:Electrosoudage Reference number ISO 12176-2:2008(E) @ISO2008 Not for Resale ISO12176-2:2008(E) PDFdisclaimer 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 noliabilityinthisarea. 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 Casepostale56.CH-1211Geneva20 Tel.+ 4122749 0111 Fax + 41 22 749 09 47 E-mail copyright@iso.org Web www.iso.org Published inSwitzerland ISO 2008 -All rights reserved without license from IHS Not for Resale ISO12176-2:2008(E) Contents Page Foreword. iv 1 Scope 1 2 Normative references 3 Terms and definitions.... 4 Designation of the different types of control unit 5 Construction requirements 5.1 General. 5.2 Electrical safety.. 5.3 5.4 Cable connectors. 5.5 Operator controls... 5.6 5.7 Temperature-sensing elementforfusionenergy compensation 5.8 Input data decoder.. 5.9 Digital data output connectors. 5.10 Transformers.. 5.11 Duty cycle... 6 Operatingprocedures 6 6.1 Supplychecks. 6.2 Data input 6.3 Data validation ... 6.4 Fusioncycle 7 Operatingrequirements. 8 7.1 General.. 7.2 8 7.3 Coil resistance measurement/electrical continuity check... 7.4 Energy output.. 7.5 Safety devices. 7.6 10 7.7 Endurance 10 8 Mechanical performance. 11 8.1 Shock resistance test 8.2 Vibration test.. 9 Technical file. 11 10 Marking .... 12 Annex A (normative) Designation scheme.... 13 Annex B (informative) Duty cycle. 16 AnnexC(normative)Shockresistancetest.. 17 AnnexD (normative)Vibrationtest.. 18 Bibliography 19 Copyright International Organization for standardizaion'ghts reserved ili efrom IHS Not for Resale