ISO INTERNATIONAL STANDARD 21003-5 First edition 2008-07-01 Multilayer piping systems for hot and coldwaterinstallationsinside buildings- Part 5: Fitness forpurpose of the system Systemes de canalisations multicouches pour installations d'eau chaude et froide a I'interieur des batiments Partie5:Aptitude a I'emploi du systeme Reference number ISO21003-5:2008(E) s @ISO2008 ISO21003-5:2008(E) Contents Page Foreword. iv Introduction 1 Scope 2 Normativereferences. 3 Terms and definitions. 4 Symbolsand abbreviated terms 5 Fitness for purpose of the joints and the piping system. 5.1 5.2 Internal pressuretest 5.3 Bending test.. 5.4 Pull-outtest 5.5 Thermal cycling test 5.6 Pressure cycling test.. 5.7 Leaktightnessundervacuum AnnexA(normative)List of referenceproduct standards Bibliography. @S02008-Allrightsreserved ii ISO21003-5:2008(E) Foreword ISO (theInternational Organizationfor Standardization)is a worldwidefederation ofnational standards bodies International Electrotechnical Commission (IEC)on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/lEC Directives, Part 2. Themaintask of technical committees is to prepare International Standards.DraftInternational Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval byatleast75%ofthememberbodies castingavote. 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. ISO21003-5waspreparedbyTechnical CommitteeISO/TC138,Plasticspipes,fittings andvalvesforthe transport of fluids, Subcommittee Sc2, Plastics pipes andfittings forwater supplies. waterinstallations insidebuildings: -Part1:General —Part2:Pipes -Part 3:Fittings Part5:Fitnessforpurposeofthesystem Part7:Guidancefortheassessment of conformity[TechnicalSpecification] NOTE ISO21003does not includea Part 4:Ancillaryequipment, oraPart6:Guidancefor installation. iv Is02008-All rightsreserved