【正文】 nia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION C O M I T 201。rteile aus duktilem Gusseisen PolyurethanAuskleidung von Rohren und Formst252。essais Rohre, Formst252。thane des tuyaux et raccords Prescriptions et m233。tement int233。ISCHE NORM EN 15655 January 2020 ICS 。 BSI 2020 ISBN 978 0 580 57723 9 Amendments/corrigenda issued since publication Date Comments BS EN 15655:2020 EUROPEAN STANDARD NORME EUROP201。 BRITISH STANDARD BS EN 15655:2020 Ductile iron pipes, fittings and accessories — Internal polyurethane lining for pipes and fittings — Requirements and test methods ICS 。 NO COPYIN G WITHOUT BSI PERMIS SION EXCEPT AS PERM ITTED BY COPYRIGHT LAW BS EN 15655:2020 National foreword This British Standard is the UK implementation of EN 15655:2020. The UK participation in its preparation was entrusted to Technical Committee PSE/10, Iron pipes and fittings. A list of anizations represented on this mittee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was publis hed under the authority of the Standards Policy and Strategy Comm ittee on 31 January 2020 169。ENNE EUROP196。 English Version Ductile iron pipes, fittings and accessories Internal polyurethane lining for pipes and fittings Requirements and test methods Tuyaux, raccords et accessoires en fonte ductile Rev234。rieur en polyur233。thodes d39。cke und Zubeh246。cken Anforderungen und Pr252。 EUR OP 201。 I S C HES KOM I TEE F 220。 2020 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 15655:2020: E BS EN 15655:2020 EN 15655:2020 (E) 2 Contents Page Foreword..............................................................................................................................................................3 Introduction .........................................................................................................................................................4 1 Scope ......................................................................................................................................................5 2 Normative references ............................................................................................................................5 3 Terms and definitions ...........................................................................................................................5 4 Ordering information .............................................................................................................................7 5 Technical Requirements .......................................................................................................................7 Surface preparation ...............................................................................................................................7 Finished polyurethane lining ................................................................................................................7 Pipe ends ................................................................................................................................................8 Repairs ....................................................................................................................................................8 Marking ...................................................................................................................................................8 Non porosity ...........................................................................................................................................9 Hardness.................................................................................................................................................9 Adhesion.................................................................................................................................................9 6 Performance Requirements ..................................................................................................................9 Chemical resistance ..............................................................................................................................9 Indirect Impact strength ........................................................................................................................9 Resistance to ovalization ......................................................................................................................9 Elongation at break............................................................................................................................. 10 Specific lining resistance................................................................................................................... 10 Abrasion resistance (only for waste water application) ......................................................