Plastics welding personnel - Qualification testing of welders - Thermoplastics welded assemblies

This standard specifies the method of testing the knowledge and skill of a welder who is required to carry out welds on thermoplastics in new constructions and repair work.  The skill examination of a welder is an essential condition for the assurance of the quality of the welding work. The application of this standard guarantees that the examination is carried out according to a uniform test procedure. Testing of a welder duly passed in accordance with this standard ensures that the welder concerned has demonstrated the minimum skill and knowledge demanded by techniques required.

Kunststoffschweißpersonal - Anerkennungsprüfung von Schweißern - Thermoplastische Schweißverbindungen

Diese Norm legt Verfahren für die Prüfung der Kenntnisse und Fertigkeiten eines Schweißers fest, der Schweißarbeiten an Thermoplasten bei Neuanfertigungen und Reparaturarbeiten durchzuführen hat.
Die Prüfung der Fertigkeiten eines Schweißers ist eine notwendige Bedingung für die Sicherung der Qualität bei Schweißarbeiten. Die Anwendung dieser Norm stellt sicher, dass die Prüfung nach einheitlichen Prüfverfahren durchgeführt wird.
Diese Norm findet Anwendung, wenn der Auftraggeber oder die für das Anwendungsgebiet verantwortliche Behörde dies fordert. Gas- und Wasserversorgungsunternehmen, die alternative Anerkennungsprogramme haben, sind von dieser Norm ausgeschlossen.
Diese Norm gilt für folgende Schweißverfahren:
   Warmgasschweißen: Runddüse, Schnellschweißdüse, Keil;
   Extrusionsschweißen;
   Heizelementschweißen: Stumpfstoß, Sattel, Muffe, Keil;
   Heizwendelschweißen: Muffe, Sattel.
Diese Norm gilt für das Schweißen folgender Produkte:
   Tafel;
   Rohr;
   Formstücke;
   Dichtungsbahnen.
Diese Norm gilt für das Schweißen der folgenden Werkstoffgruppen:
   für Tafeln, Rohre und Formstücke:
   Gruppe 1: PVC (einschließlich aller Typen von PVC-U und ABS und PC)
   Gruppe 2: PP (einschließlich aller Typen von PP)
   Gruppe 3: PE (einschließlich aller Typen von PE, PB)
   Gruppe 4: PVDF
   Gruppe 5: ECTFE oder PFA oder FEP
   für Dichtungsbahnen:
   Gruppe 6: PVC-P
   Gruppe 7: PE (einschließlich aller Typen von PE)
   Gruppe 8: ECB

Personnel en soudage des plastiques - Epreuve de qualification des soudeurs - Assemblages soudés thermoplastiques

La présente norme européenne spécifie la méthode a utiliser pour évaluer les connaissances et l'habileté d'un soudeur qui doit réaliser des soudures sur des matieres thermoplastiques pour des constructions neuves et des travaux de réparation. L'examen de l'habileté d'un soudeur est une condition essentielle de l'assurance de la qualité du soudage. L'application de la présente norme garantit que l'examen se déroule selon une procédure d'épreuve uniforme.

Osebje za varjenje plastike - Preskušanje usposobljenosti varilcev – Varjenje plastomerov

General Information

Status
Withdrawn
Publication Date
30-Jun-2003
Withdrawal Date
25-Mar-2014
Current Stage
9900 - Withdrawal (Adopted Project)
Start Date
24-Mar-2014
Due Date
16-Apr-2014
Completion Date
26-Mar-2014

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Osebje za varjenje plastike - Preskušanje usposobljenosti varilcev – Varjenje plastomerovKunststoffschweißpersonal - Anerkennungsprüfung von Schweißern - Thermoplastische SchweißverbindungenPersonnel en soudage des plastiques - Epreuve de qualification des soudeurs - Assemblages soudés thermoplastiquesPlastics welding personnel - Qualification testing of welders - Thermoplastics welded assemblies25.160.01Varjenje, trdo in mehko spajkanje na splošnoWelding, brazing and soldering in general03.100.30Vodenje ljudiManagement of human resourcesICS:Ta slovenski standard je istoveten z:EN 13067:2003SIST EN 13067:2003en01-julij-2003SIST EN 13067:2003SLOVENSKI
STANDARD



SIST EN 13067:2003



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 13067April 2003ICS 25.160.10English versionPlastics welding personnel - Qualification testing of welders -Thermoplastics welded assembliesPersonnel en soudage des plastiques - Epreuve dequalification des soudeurs - Assemblages soudésthermoplastiquesKunststoffschweißpersonal - Anerkennungsprüfung vonSchweißern - Thermoplastische SchweißverbindungenThis European Standard was approved by CEN on 9 September 2002.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Management Centre or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Management Centre has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, Spain, Sweden, Switzerland and UnitedKingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2003 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 13067:2003 ESIST EN 13067:2003



EN 13067:2003 (E)2ContentspageForeword.3Introduction.41Scope.42Normative references.53Terms and definitions.54Admission to the test.75Testing of skill and knowledge.75.1General.75.2Practical test.75.3Theoretical test.76Duty of Plastics Welding Examiner.147Range of qualification.148Welding of test piece.148.1Test piece.148.2Inspection requirements.148.3Difficulties and corrections whilst welding the test piece.149Test piece and test specimens, shapes and dimensions.1510Evaluation and acceptance criteria of test piece(s) and test specimens.2010.1General.2010.2Visual examination.2110.3Destructive tests.2111Test result and qualification test certificate.2211.1Practical test.2211.2Theoretical test.2211.3Overall assessment.2211.4Qualification test certificate.2312Failed test.2313Period of validity.2313.1Initial qualification.2313.2Prolongation.2414Qualification test certificate renewal.24Annex A (informative)
Welding recording sheet.25Annex B (informative)
Welder's test certificate format.26Annex C (informative)
PWE evaluation sheet for practical test.27SIST EN 13067:2003



EN 13067:2003 (E)3ForewordThis document (EN 13067:2003) has been prepared by Technical Committee CEN/TC 249 “Plastics”, thesecretariat of which is held by IBN.This European Standard shall be given the status of a national standard, either by publication of an identical textor by endorsement, at the latest by October 2003, and conflicting national standards shall be withdrawn at thelatest by October 2003.Annexes A, B and C are informative.According to the CEN/CENELEC Internal Regulations, the national standards organizations of the followingcountries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland,France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal,Slovakia, Spain, Sweden, Switzerland and the United Kingdom.SIST EN 13067:2003



EN 13067:2003 (E)4IntroductionThis standard covers the principles to be observed in the qualification testing of welder performance for thewelding of thermoplastic materials.The ability of the welder to follow verbal or written instructions and testing of his skill are important factors inensuring the quality of the welded product.This standard is intended to provide the basis for the mutual recognition by examining bodies for qualificationrelating to welders competence in the various fields of application.1 ScopeThis standard specifies the method of testing the knowledge and skill of a welder who is required to carry outwelds on thermoplastics in new constructions and repair work.The skill examination of a welder is an essential condition for the assurance of the quality of the welding work.The application of this standard guarantees that the examination is carried out according to a uniform testprocedure.The standard applies when the contractor or the authorities responsible for the application require it. Gas andwater utility network industries with alternative qualification programmes are excluded from this standard.This standard applies to the following welding processes:¾ hot gas welding: round nozzle, high speed nozzle, wedge;¾ extrusion welding;¾ heated tool welding: butt, saddle, socket, wedge;¾ electrofusion welding: socket, saddle.This standard applies to the welding of the following products:¾ sheet;¾ pipe;¾ fittings;¾ lining membrane.This standard covers the welding of the following groups of materials:¾ for sheets, pipes and fittings:¾ group 1: PVC (it includes all kinds of PVC-U and ABS and PC);¾ group 2: PP (it includes all kinds of PP);¾ group 3: PE (it includes all kinds of PE, PB);¾ group 4: PVDF;SIST EN 13067:2003



EN 13067:2003 (E)5¾ group 5: ECTFE or PFA or FEP.¾ for lining membranes:¾ group 6: PVC-P;¾ group 7: PE (it includes all kinds of PE);¾ group 8: ECB.2 Normative referencesThis European Standard incorporates by dated or undated reference, provisions from other publications. Thesenormative references are cited at the appropriate places in the text, and the publications are listed hereafter. Fordated references, subsequent amendments to or revisions of any of these publications apply to this EuropeanStandard only when incorporated in it by amendment or revision. For undated references the latest edition of thepublication referred to applies (including amendments).EN 12814-1, Testing of welded joints of thermoplastics semi-finished products - Part 1: Bend test.EN 12814-2:2000, Testing of welded joints of thermoplastics semi-finished products - Part 2: Tensile test.EN 12814-4, Testing of welded joints of thermoplastics semi-finished products - Part 4: Peel test.EN 12814-8, Testing of welded joints of thermoplastics semi-finished products - Part 8: Requirements.EN 13100-1, Non destructive testing of welded joints of thermoplastics semi-finished products - Part 1: Visualexamination.3 Terms and definitionsFor the purposes of this European Standard, the following terms and definitions apply:3.1welding process3.1.1generaltechnique characterized by the method of softening to obtain permanent assembly3.1.2hot gas weldingwelding process in which the materials to be unified are softened by hot air or inert gas and are pressed together3.1.2.1round nozzlewelding process in which the pressure is applied via the welding material or a suitable attachment such as apressure roller3.1.2.2high-speed nozzlewelding process in which the welding material is suitably guided and pre-heated, the nozzle tip is provided with aprofiled area to apply the welding pressure3.1.3extrusion weldingwelding process in which an extruder unit with a melting chamber gives the extruded material required by thethickness and shape of the joint. Hot air or inert gas heats simultaneously the base materialSIST EN 13067:2003



EN 13067:2003 (E)63.1.4heated tool weldingwelding process in which the joint surfaces are adequately heated by exposure, through contact or non-contact,to heated elements and are welded under pressure3.1.5electrofusion weldingwelding process concerning a joint between a socket or saddle electrofusion fitting and pipe or fitting withspigotted ends. The electrofusion fittings are heated by the Joule effect of the heating element incorporated attheir jointing surfaces, causing the material to melt and the pipe and fitting surfaces to weld3.1.6heated wedgewelding process in which the lining membrane welded is gripped by rollers which guide and propel the weldingmachine which uses either hot gas to heat the lining membrane and the wedge to effect the weld or electricallyheated wedge to heat the lining membrane in the area being welded3.2Welding Procedure Specification (WPS)document providing in detail the required variables for a specific application to assure repeatability3.3welding record sheetdocument providing in detail the variables used during the practical test3.4welderperson making a welded assembly by any process, whose manual skill and knowledge are two of the determiningfactors influencing the quality of the welded joint, or person performing a welding operation by means ofmechanical or automatic equipment3.5plastics fabricatorperson whose manual skill and knowledge in producing assemblies including marking out, developing complexshapes and forms, requires welding as an essential part3.6Plastics Welding Examiner (PWE)qualified person acceptable to the contracting parties who verifies the compliance with this standard3.7manufacturercompany, contractor or organization who is responsible for the welding3.8range of qualificationwelding processes, types of joint, materials, thicknesses and diameters for which a welder is qualified3.9qualification testtheoretical and practical tests in order to verify the knowledge and the skill of the welder3.10test piecewelded assembly which is used in the test3.11test specimenpart or portion cut from the test piece for the test specifiedSIST EN 13067:2003



EN 13067:2003 (E)73.12training centreeducational establishment for training plastics welding personnel and/or Plastics Welding Examiner3.13test houseestablishment having all relevant test equipment to carry out the required tests4 Admission to the testOnly welders whose training and/or for whose previous activities show that they are likely to pass the plannedtest may be admitted. As a rule this is the case if one of the following conditions is met:¾ completed apprenticeship as plastics fabricator;¾ at least two years experience as a plastics welder (company's certificate);¾ completion of a technical and practical training course in preparation for the plastic welders qualification test.5 Testing of skill and knowledge5.1 GeneralDuring the test, the welder shall demonstrate his practical skill according to 5.2 and his theoretical knowledgeaccording to 5.3.5.2 Practical testThe welder shall complete the test piece specified by the required sub-group in Table 1 or Table 2 in accordancewith the relevant WPS.All welding equipments, materials and documents necessary to complete the test piece shall be available to thewelder.The time taken by the welder to complete the test piece shall correspond to that taken under productionconditions.5.3 Theoretical testThe welder's knowledge of the practical working rules for skilful and safe working shall be established in thetheoretical test.This test is carried out under the supervision of the PWE. The welder shall answer a minimum of 20 questionsrelevant to the qualification testing. These questions shall be presented to the candidate in a written form. Amultiple-choice questions form is appropriate for this test.Completion of the theoretical test shall not exceed one hour, be continuous without access to teaching aids.The questions shall cover the following subjects, as appropriate:¾ designation and rules for welding of thermoplastics to which the test is designed to apply, meaning of thewelding signs and symbols of the range of work;¾ operation and monitoring of the welding equipment;¾ welding processes;SIST EN 13067:2003



EN 13067:2003 (E)8¾ knowledge concerning on-site welding;¾ correct preparation of the work pieces for welding;¾ familiarity of the characteristics of thermoplastics within the sub-groups;¾ preventing and correcting faults when making welds;¾ knowledge concerning the types of imperfections for the applied welding process(es);¾ knowledge of the WPS and welding record sheet;¾ awareness of the consequences of misapplying welding parameters and/or procedures;¾ knowledge of non-destructive examinations and destructive tests necessary for the applied weldingprocess(es);¾ awareness of health and safety requirements for the above work.SIST EN 13067:2003



EN 13067:2003 (E)9Table 1 — Sheets, pipes and fitting details of testsDimensions in millimetresGroup ofmaterialSub-groupsType of productS = sheet
P = pipeen = nominal wall thicknessdn = nominal pipe outsidediameterWeldingprocessWeldformPositionExaminationand testingType of testTest pieceaccordingto FigureRange of qualificationSDR = dn / en(See NOTE 1)DimensionsType of jointPosition1 PVC1.1Sen = 5Hot gasround nozzleVFlatV/B f + r1All enV , V , X, ^All1.2Sen = 5Hot gashigh speednozzleVFlatV/B f + r1All enV , V , X, ^All1.3Sen = 5Heated tool][MachineV/B1en ³ 3][Machine2 PP2.1Sen = 10Hot gashigh speednozzleXFlatV/B f + r1All enV, V , X, ^All2.2Sen = 10ExtrusioncontinuousVFlatV/B f + r1en ³ 3V , X, ^All2.3Sen = 10Heated tool][MachineV/B1en ³ 3][Machine2.4Pdn = 110SDR = 17,6Heated tool][MachineV/B r2en ³ 3dn £ 315][Machine2.5Pdn ³ 400SDR £ 17,6Heated tool][MachineV/B s2dn > 315][Machine2.6Pdn = 63SDR = 11Heated toolSocketMachineV/Pc4All dnSocketMachine2.7Pdn = 63SDR = 11ElectrofusionSocketMachineV/Pc4All dnSocketMachine(continued)SIST EN 13067:2003



EN 13067:2003 (E)10Table 1 (continued)Dimensions in millimetresRange of qualificationGroup ofmaterialSub-groupsType of productS = sheet
P = pipeen = nominal wall thicknessdn = nominal pipe outsidediameterSDR = dn / enWeldingprocessWeldformPositionExaminationand testingType of test(See NOTE 1)Test pieceaccording toFigureDimensionsType of jointPosition3 PE3.1Sen = 10Hot gashigh speednozzleXFlatV/B f + r1All enX, V, V , ^All3.2Sen = 10ExtrusioncontinuousVFlatV/B f + r1en ³ 3V , X, ^All3.3Sen = 10Heated tool][MachineV/B1en ³ 3][Machine3.4Pdn = 110or dn = 180SDR = 11 orSDR = 17,6Heated tool][MachineV/T2dn £ 315][Machine3.5Pdn ³ 400SDR £ 17,6Heated tool][MachineV/T2dn > 315][Machine3.6Pdn = 90SDR = 11ElectrofusionSocketMachineV/Pd4dn £ 225All socketMachine3.7Pdn = 315SDR = 17,6ElectrofusionSocketMachineV/Pd4dn > 180All socketMachine3.8Pdn = 32on dn = 90SDR = 11ElectrofusionSaddleMachineV/Pd5All dnAll saddleMachine3.9Pdn = 63SDR = 11Heated toolSocketMachineV/Pc4All dnAll socketMachine3.10Pdn = 32on dn = 90SDR = 11Heated toolSaddleMachineV/Pc5All dnAll saddleMachine(continued)SIST EN 13067:2003



EN 13067:2003 (E)11Table 1 (concluded)Dimensions in millimetresGroup ofmaterialSub-groupsType of productS = sheet
P = pipeen = nominal wall thicknessdn = nominal pipe outsidediameterWeldingprocessWeldformPositionExaminationand testingType of test(SeeTest pieceaccording toFigureRange of qualificationSDR = dn / enNOTE 1)DimensionsType of jointPosition4 PVDF4.1Sen = 4Hot gas highspeed nozzleVFlatV/B f + r1en ³ 2V , V, X ^All4.2Sen = 4Heated tool][MachineV/B1en ³ 2][Machine4.3Pdn = 110en = 5,3Heated tool][MachineV/B r2All dnen ³ 1,9][Machine4.4Pdn = 63en = 3Heated toolSocketMachineV/Pc4All dnSocketMachine5ECTFEor FEP5.1Sen = 2,3Hot gas highspeed nozzleVFlatV/T3en ³ 1,6V , V, X ^Allor PFA5.2Pdn = 110en = 3Heated tool][MachineV/T2All dnall en][MachineNOTE 1("/" = and)B = Bend test (f : face ; r : root ; s : side (for thick materials))Pc = Peel test (crush test)Pd = Peel test (decohesion test)V = Visual examinationT = Tensile testSIST EN 13067:2003



EN 13067:2003 (E)12Table 2 — Lining membranes details of testsDimensions in millimetresGroup ofmaterialSub-groupsType of productM = membraneen = nominal wall thicknessWeldingprocessWeldformPositionExaminationand testingType of test(SeeTest pieceaccording toFigureRange of qualificationNOTE 1)DimensionsType of jointPosition6 PVC-P6.1Men = 2Hot gasmanualFlatV/Pt61 £ en £ 4LapAll6.2Men = 2Hot gasby machineFlatV/Pt71 £ en £4LapMachine6.3Men = 2Heatedwedgeby hot gasFlatV/Pt71 £ en £ 4LapMachine6.4Men = 2HeatedwedgeelectricFlatV/Pt71 £ en £ 4LapMachine7 PE7.1Men = 2,5Hot gasmanualFlatV/Pt61 £ en £ 5LapAll7.2Men = 2,5Hot gasby machineFlatV/Pt71£ en £ 5LapMachine7.3Men = 2,5Heatedwedgeby hot gasFlatV/Pt71 £ en £ 5LapMachine7.4Men = 2,5HeatedwedgeelectricFlatV/Pt71 £ en £ 5LapMachine7.5Men = 2,5ExtrusionmanualFlatV/Pt81 £ en £ 5LapAll(continued)SIST EN 13067:2003



EN 13067:2003 (E)13Table 2 (concluded)Dimensions in millimetresGroup ofmaterialSub-groupsType of productM = membraneen = nominal wall thicknessWeldingprocessWeldformPositionExaminationand testingType of test(SeeTest pieceaccording toFigureRange of qualificationNOTE 1)DimensionsType of jointPosition8 ECB8.1Men = 2Hot gasmanualFlatV/Pt61 £ en £ 4LapAll8.2Men = 2Hot gasby machineFlatV/Pt71 £ en £ 4LapMachine8.3Men = 2Heatedwedgeb
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