Platics welding personnel - Qualfication of welders - Thermoplastics welded assemblies

This document 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 document guarantees that the examination is carried out according to a uniform test procedure.
This document applies when the contractor or the authorities responsible for the application require it.
Gas and water utility network industries with alternative qualification programmes are excluded from this document.
This document applies to the following welding processes:
-   hot gas welding: round nozzle, high speed nozzle, wedge;
-   extrusion welding;
-   heated tool welding: butt, saddle, socket, wedge;
-   electrofusion welding: socket, saddle;
-   solvent welding: socket.
This document applies to the welding of the following products:
-   sheet;
-   pipe;
-   fittings;
-   lining membrane.
This document covers the welding of the following groups of materials:
a)   for sheets, pipes and fittings:
-   group 1: PVC (including all kinds of PVC-U, PVC-C) or ABS;
-   group 2: PP (including all kinds of PP);
-   group 3: PE (including all kinds of PE);
-   group 4: PVDF;
-   group 5: ECTFE or PFA or FEP;
b)   for lining membranes and flooring:
-   group 6: PVC-P;
-   group 7: PE (including all kinds of PE);
-   group 8: ECB;
-   group 9: PP.
c)   for pipes and fittings only:
-   group 10: PA-U 11 or PA-U 12.

Kunststoffschweißpersonal - Anerkennungsprüfung von Schweißern - Thermoplastische Schweißverbindungen

Dieses Dokument 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 dieses Dokuments stellt sicher, dass die Prüfung nach einem einheitlichen Prüfverfahren durchgeführt wird.
Dieses Dokument findet Anwendung, wenn der Auftragnehmer oder die für das Anwendungsgebiet verantwortliche Behörde dies fordert.
Gas- und Wasserversorgungsunternehmen, die alternative Anerkennungsprogramme haben, sind von diesem Dokument ausgeschlossen.
Dieses Dokument gilt für folgende Schweißverfahren:
-   Warmgasschweißen: Runddüse (Warmgasfächelschweißen), Schnellschweißdüse (Warmgaszieh-schweißen), Keil;
-   Extrusionsschweißen;
-   Heizelementstumpfschweißen: Stumpfstoß, Sattel, Muffe, Keil;
-   Heizwendelschweißen: Muffe, Sattel;
-   Quellschweißen: Muffe.
Dieses Dokument gilt für das Schweißen folgender Produkte:
-   Tafeln;
-   Rohre;
-   Formstücke;
-   Dichtungsbahnen.
Dieses Dokument gilt für das Schweißen der folgenden Werkstoffgruppen:
a)   für Tafeln, Rohre und Formstücke:
-   Gruppe 1: PVC (einschließlich aller Typen von PVC-U, PVC-C), ABS;
-   Gruppe 2: PP (einschließlich aller Typen von PP);
-   Gruppe 3: PE (einschließlich aller Typen von PE);
-   Gruppe 4: PVDF;
-   Gruppe 5: ECTFE oder PFA oder FEP.
b)   für Dichtungsbahnen und Bodenbelag:
-   Gruppe 6: PVC P;
-   Gruppe 7: PE (einschließlich aller Typen von PE);
-   Gruppe 8: ECB;
-   Gruppe 9: PP.
c)   nur für Rohre und Formstücke:
-   Gruppe 10 für PA-U 11 oder PA-U 12.

Personnel en soudage des plastiques - Qualification des soudeurs - Assemblages soudés thermoplastiques

Le présent document spécifie la méthode à utiliser pour évaluer les connaissances et l’habileté d’un soudeur à qui il est demandé de réaliser des soudures sur des matières 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 du présent document garantit que l’examen se déroule selon une procédure d’épreuve uniforme.
Le présent document s’applique lorsque le contractant ou les autorités responsables de l’application l’exigent.
Les sociétés de distribution publique de gaz et d’eau qui disposent de programmes de qualification différents ne sont pas concernées par le présent document.
Le présent document s’applique aux procédés de soudage suivants :
-   soudage au gaz chaud : buse ronde, buse rapide, coin chauffant ;
-   soudage par extrusion ;
-   soudage par élément chauffant : bout à bout, selle de raccordement, emboîture, coin chauffant ;
-   soudage par électrofusion : emboîture, selle de raccordement ;
-   soudage par solvant : emboîture.
Le présent document s’applique au soudage des produits suivants :
-   feuilles ;
-   tubes ;
-   raccords ;
-   membranes de revêtement.
Le présent document couvre le soudage des groupes de matériaux suivants :
a)   pour les feuilles, tubes et raccords :
-   groupe 1 : PVC (incluant tous les types de PVC-U, PVC-C) ou ABS ;
-   groupe 2 : PP (incluant tous les types de PP) ;
-   groupe 3 : PE (incluant tous les types de PE) ;
-   groupe 4 : PVDF ;
-   groupe 5 : ECTFE, PFA ou FEP.
b)   pour les membranes de revêtement et revêtements de sols :
-   groupe 6 : PVC-P ;
-   groupe 7 : PE (incluant tous les types de PE) ;
-   groupe 8 : ECB ;
-   groupe 9 : PP.
c)   pour les tubes et raccords seulement :
-   groupe 10 : PA-U 11 ou PA-U 12.

Osebje za varjenje polimerov - Usposobljenost varilcev - Varjenje plastomerov

General Information

Status
Published
Public Enquiry End Date
31-Jul-2019
Publication Date
09-Sep-2020
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
09-Sep-2020
Due Date
14-Nov-2020
Completion Date
10-Sep-2020

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SLOVENSKI STANDARD
SIST EN 13067:2020
01-november-2020
Nadomešča:
SIST EN 13067:2014
Osebje za varjenje polimerov - Usposobljenost varilcev - Varjenje plastomerov

Platics welding personnel - Qualfication of welders - Thermoplastics welded assemblies

Kunststoffschweißpersonal - Anerkennungsprüfung von Schweißern - Thermoplastische

Schweißverbindungen
Personnel en soudage des plastiques - Qualification des soudeurs - Assemblages
soudés thermoplastiques
Ta slovenski standard je istoveten z: EN 13067:2020
ICS:
03.100.30 Vodenje ljudi Management of human
resources
25.160.10 Varilni postopki in varjenje Welding processes
83.080.20 Plastomeri Thermoplastic materials
SIST EN 13067:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 13067:2020
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SIST EN 13067:2020
EN 13067
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2020
EUROPÄISCHE NORM
ICS 03.100.30; 25.160.10 Supersedes EN 13067:2012
English Version
Plastics welding personnel - Qualification of welders -
Thermoplastics welded assemblies

Personnel en soudage des plastiques - Épreuve de Kunststoffschweißpersonal - Qualifizierung von

qualification des soudeurs - Assemblages soudés Schweißern - Thermoplastische Schweißverbindungen

thermoplastiques
This European Standard was approved by CEN on 26 July 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC 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

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13067:2020 E

worldwide for CEN national Members.
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SIST EN 13067:2020
EN 13067:2020 (E)
Contents Page

European foreword .................................................................................................................................................... 4

Introduction .................................................................................................................................................................. 5

1 Scope ............................................................................................................................................................... 6

2 Normative references ............................................................................................................................... 7

3 Terms and definitions .............................................................................................................................. 7

4 Admission to the qualification tests ................................................................................................. 10

5 Testing of skill and knowledge ........................................................................................................... 10

5.1 General ........................................................................................................................................................ 10

5.2 Practical test ............................................................................................................................................. 10

5.3 Theoretical test ........................................................................................................................................ 11

5.3.1 General ........................................................................................................................................................ 11

5.3.2 Questions .................................................................................................................................................... 11

6 Duty of Plastics Welding Examiner and invigilator .............................................................. 18

7 Range of qualification ................................................................................................................. 18

8 Welding of test piece ................................................................................................................... 19

8.1 Difficulties and corrections whilst welding the test piece .............................................................. 19

8.2 Inspection requirements ................................................................................................................................... 19

8.3 Test piece .................................................................................................................................................................... 19

9 Test piece and test specimens, shapes and dimensions............................................................. 19

10 Evaluation and acceptance criteria of test piece(s) and test specimens ............................. 28

10.1 General ......................................................................................................................................................................... 28

10.2 Visual examination ............................................................................................................................................... 28

10.3 Destructive tests ..................................................................................................................................................... 28

10.3.1 General ......................................................................................................................................................................... 28

10.3.2 Bend test ..................................................................................................................................................................... 28

10.3.3 Peel test ....................................................................................................................................................... 28

10.3.4 Tensile test ................................................................................................................................................................ 30

10.3.5 Visual examination of longitudinal cross-sections ............................................................................. 31

10.4 Non-destructive tests — High voltage test ..................................................................................... 31

11 Test result .................................................................................................................................................. 31

11.1 Overall assessment ............................................................................................................................................... 31

11.2 Practical test ............................................................................................................................................................. 32

11.3 Theoretical test ....................................................................................................................................................... 32

12 Failed test ................................................................................................................................................................... 32

13 Period of validity .................................................................................................................................................... 32

13.1 Initial qualification ............................................................................................................................................... 32

13.2 Prolongation ............................................................................................................................................................. 32

14 Qualification renewal ............................................................................................................................ 32

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SIST EN 13067:2020
EN 13067:2020 (E)

Annex A (informative) Welding record sheet - Heated tool butt welding of pipes ......................... 33

Annex B (informative) PWE evaluation sheet for practical test ............................................................ 34

B.1 Welding process: Hot gas round nozzle - Hot gas speed ...................................................................34

B.2 Welding process: Extrusion welding ...........................................................................................................36

B.3 Welding process: Heated tool butt welding .............................................................................................38

B.4 Welding process: Heated tool socket welding - Heated tool saddle welding ........................40

B.5 Welding process: Electrofusion socket welding - Electrofusion saddle welding ................41

B.6 Welding of lining membranes .........................................................................................................................42

B.7 Welding process: Solvent welding ................................................................................................................46

Bibliography .............................................................................................................................................................. 47

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SIST EN 13067:2020
EN 13067:2020 (E)
European foreword

This document (EN 13067:2020) has been prepared by Technical Committee CEN/TC 249 “Plastics”, the

secretariat of which is held by NBN.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by March 2021, and conflicting national standards shall

be withdrawn at the latest by March 2021.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN 13067:2012.

In comparison with the previous edition EN 13067:2012, the following technical modifications have

been made:

— in Clause 1 Scope for the different group of materials in a) for sheets, pipes and fittings, group 1

includes also ABS; b) is for lining membranes and flooring. In c) for pipes and fittings, the group 10

is for PA-U 11 or PA-U 12;

— subclause 5.3 has been redrafted with subclause 5.3.1 General, making reference to Table 3 -

Welding processes for the theoretical test and Table 4 - Minimum number of questions for the

theoretical test, and with subclause 5.3.2 Questions;
— in Table 1, the group of material 10 PA-U has been added;

— in Table 2 for the group of material 6 PVC-P the range of e has been modified from e = 2 to

n n

1 ≤ en ≤ 3 and the sub-groups 6.5, 6.6 have been added; for the group of material 7 PE, the sub-

groups 7.6, 7.7 and 7.8, have been added and the range of the nominal wall thickness is: 0,75 ≤ e ≤ 1;

— Figure 9 — Test piece for lining membranes – Butt weld with V preparation, has been added and

the numbering of the other ones has been changed;

— in 10.3.4 indications have been added for the tensile test of test specimens of PE pipes with wall

thicknesses greater than 30 mm;
— subclause 10.4 Non-destructive tests on the high voltage test, has been added;

— Clause 11 is only for test result, there is no more reference to qualification test certificate.

According to the CEN-CENELEC Internal Regulations, the national standards organisations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia,

Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland,

Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of North

Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United

Kingdom.
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SIST EN 13067:2020
EN 13067:2020 (E)
Introduction

This document covers the principles to be observed in the qualification testing of welder performance

for the welding of thermoplastic materials.

The ability of the welder to follow verbal or written instructions and testing of his skill are important

factors in ensuring the quality of the welded product.

This document is intended to provide the basis for the mutual recognition by examining bodies for

qualification relating to welders competence in the various fields of application.

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SIST EN 13067:2020
EN 13067:2020 (E)
1 Scope

This document 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 document guarantees that the examination is carried out according to a uniform

test procedure.

This document applies when the contractor or the authorities responsible for the application require it.

Gas and water utility network industries with alternative qualification programmes are excluded from

this document.
This document applies to the following welding processes:
— hot gas welding: round nozzle, speed, wedge;
— extrusion welding;
— heated tool welding: butt, saddle, socket, wedge;
— electrofusion welding: socket, saddle;
— solvent welding: socket.
This document applies to the welding of the following products:
— sheet;
— pipe (unreinforced, solid wall only);
— fittings (unreinforced only);
— lining membrane.
This document covers the welding of the following groups of materials:
a) for sheets, pipes and fittings:
— group 1: PVC (including all kinds of PVC-U, PVC-C) or ABS;
— group 2: PP (including all kinds of PP);
— group 3: PE (including all kinds of PE);
— group 4: PVDF;
— group 5: ECTFE or PFA or FEP;
b) for lining membranes and flooring:
— group 6: PVC-P;
— group 7: PE (including all kinds of PE);
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SIST EN 13067:2020
EN 13067:2020 (E)
— group 8: ECB;
— group 9: PP;
c) for pipes and fittings only:
— group 10: PA-U 11 or PA-U 12.
2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

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:

Visual examination

EN 13100-4, Non destructive testing of welded joints of thermoplastics semifinished products - Part 4: High

voltage testing
EN 14728, Imperfections in thermoplastic welds - Classification
EN ISO 6947, Welding and allied processes - Welding positions (ISO 6947)

CEN/TS 16892, Plastics - Welding of thermoplastics - Specification of welding procedures

ISO 13955, Plastics pipes and fittings - Crushing decohesion test for polyethylene (PE) electrofusion

assemblies
3 Terms and definitions
For the purposes of this document, the following term and definition apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— IEC Electropedia: available at http://www.electropedia.org/
— ISO Online browsing platform: available at https://www.iso.org/obp
3.1
AD-WLD break

failure mode in an extrusion welded membrane peel test specimen where the failure is through the weld

material
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SIST EN 13067:2020
EN 13067:2020 (E)
3.2
applicant

person who has submitted an application to be admitted into the qualification process

3.3
assessment

process that evaluates a person’s fulfilment of the requirements of the qualification scheme

3.4
candidate

applicant who has fulfilled specified prerequisites and has been admitted to the qualification process

3.5
qualification body

independent entity that administers qualifications of plastics welders and approves the PWE and/or the

invigilator
3.6
invigilator

qualified person, approved by the qualification body who can oversee the practical and theoretical tests

3.7
manufacturer
company, contractor or organization who is responsible for the welding
3.8
Plastics Welding Examiner
PWE

qualified person approved by the qualification body, who verifies the compliance with this document

3.9
qualification test

theoretical and practical tests in order to verify the knowledge and the skill of the welder

3.10
range of qualification

welding processes, types of joint, materials, thicknesses and diameters for which a welder is qualified

3.11
test piece
assembly which is welded during the practical test
3.12
test specimen
part or portion cut from the test piece for the test specified
3.13
test house

establishment having all relevant test equipment to carry out the required tests and working for

example in compliance with EN ISO/IEC 17025
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SIST EN 13067:2020
EN 13067:2020 (E)
3.14
training centre

educational establishment for training plastics welding personnel and/or Plastics Welding Examiner

approved by the qualification body
3.15
welding process
technique characterized by the method of softening to obtain permanent assembly
3.15.1
electrofusion welding

softening of fitting and pipe surfaces to be welded is obtained by means of a heating element embedded

in the fitting which remain between welded joints
3.15.2
extrusion welding

welding process in which an extruder unit with a melting chamber gives the extruded material required

by the thickness and shape of the joint
Note 1 to entry: Hot air or inert gas heats simultaneously the parent material.
3.15.3
heated tool welding

welding process in which the joint surfaces are adequately heated by exposure, through direct contact

with heated elements and are welded under pressure, which includes butt fusion welding (also called

hot plate welding, platen welding or mirror welding) and socket fusion welding
3.15.4
heated wedge welding

welding process in which the lining membrane welded is gripped by rollers which guide and propel the

welding machine which uses either hot gas to heat the lining membrane and the wedge to effect the weld

or electrically heated wedge to heat the lining membrane in the area being welded

3.15.5
hot gas speed welding

welding process in which the welding rod is suitably guided and pre-heated and the nozzle tip is

provided with a profiled area to apply the welding pressure
3.15.6
hot gas welding

welding process in which the materials to be unified are softened by hot air or inert gas and are pressed

together
3.15.7
hot gas round nozzle welding

welding process in which the pressure is applied via the welding rod or a suitable attachment such as a

pressure roller
3.15.8
solvent welding

softening of fitting and pipe surfaces, by means of a solvent contained in the cement

Note 1 to entry: After suitable cure time, the solvent dries leaving the parent material in the interface between

welded joints.
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SIST EN 13067:2020
EN 13067:2020 (E)
3.16
welding procedure specification
WPS

document providing in detail the required variables for a specific application to assure repeatability

3.17
welding record sheet
document recording in detail the variables used during the practical test
3.18
welder

person making a welded assembly by any process, whose manual skill and knowledge are two of the

determining factors influencing the quality of the welded joint, or person performing a welding

operation by means of mechanical or automatic equipment
4 Admission to the qualification tests

Only applicants whose training and/or for whose previous activities show that they are likely to pass

the planned test may be admitted as a candidate. As a rule this is the case if one of the following

conditions is met:
— completed apprenticeship as plastics fabricator;

— at least two years of experience as a plastics welder confirmed by manufacturer’s declaration;

— completion of both a technical and practical training course in preparation for the plastic welders

qualification test.

An example of a suitable training course is defined in Entry [1] in the Bibliography or may be identified

in national standards.
5 Testing of skill and knowledge
5.1 General

During the qualification test, the candidate shall demonstrate his practical skill according to 5.2 and his

theoretical knowledge according to 5.3.
5.2 Practical test

This part of the qualification test is carried out under the supervision of the PWE or invigilator.

The candidate shall complete the test piece specified by the required sub-group in Table 1 or Table 2 in

accordance with the relevant WPS.

All welding equipment, materials and documents necessary to complete the test piece shall be available

to the candidate.

All welding shall be performed in the flat position (PA), according to EN ISO 6947.

The time taken by the candidate to complete the test piece shall correspond to that taken under

production conditions.
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SIST EN 13067:2020
EN 13067:2020 (E)
5.3 Theoretical test
5.3.1 General

This part of the qualification test is carried out under the supervision of the PWE or invigilator.

The candidate's knowledge of the practical working rules for skilful and safe working shall be evaluated

in the theoretical test.

The candidate shall answer 20 multiple-choice questions for one welding process. If the candidate is

being tested in more than one welding process, the number of multiple-choice questions shall be

increased by five per welding process up to a maximum of 45. The different welding processes are

defined in Table 3.

The minimum number of general and welding process specific questions are given in Table 4.

Completion of the 20 questions theoretical test shall not exceed one hour and be continuous without

access to teaching aids. For any extra question a maximum time of 3 min shall be added to the previous

hour.
The questions shall cover the subjects in 5.3.2 as appropriate.
5.3.2 Questions

The questions shall cover the following general and welding process specific subjects.

General subjects:

— rules for welding of thermoplastics to which the test is designed to apply, meaning of the welding

signs and symbols of the range of work;
— knowledge concerning on-site welding;

— knowledge concerning the characteristics of thermoplastics within the sub-groups;

— knowledge concerning WPSs and welding record sheets;

— knowledge concerning non-destructive examinations and destructive tests necessary for the

applied welding process(es);
— awareness of health and safety requirements for the above work.
Subjects specific to each welding process:
— operation and control of the welding equipment;

— welding processes (for solvent welding, this includes the characteristics of solvents / cements

within the relevant sub-group);
— correct preparation of the work pieces for welding;
— preventing and correcting faults when making welds;

— knowledge concerning the types of imperfections for the applied welding process(es);

— awareness of the consequences of misapplying welding parameters and/or procedures.

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SIST EN 13067:2020
EN 13067:2020 (E)
Table 1 — Sheets, pipes and fitting details of practical tests
Dimensions in millimetres

Group of Sub- Type of product Welding process Weld Examination Test piece Range of qualification

material groups form and testing according
S = sheet P = pipe
Dimensions Type of joint
a to Figure
Type of test
en = nominal wall
thickness
d = nominal pipe outside
diameter
SDR = dn/en
1 PVC 1.1 S en = 5 Hot gas round nozzle V V/ B f+r 1 All en V,X,⊥
1.2 S e = 5 Hot gas speed V V/ B f+r 1 All e V,X,⊥
n n
1.3 S e = 5 Heated tool ][ V/ B 1 e ≥ 3 ][
n n
1.4 P d = 40 and Solvent I V/ Vls 4 d < 160 I
n n
d = 110
SDR ≤ 21
1.5 P d ≥ 160 Solvent I V/ Vls 4 d ≥ 160 I
n n
SDR ≤ 21
2 PP 2.1 S e = 9 or 10 Hot gas speed X V/ B f+r 1 All e V,X,⊥
n n
2.2 S e = 9 or 10 Extrusion continuous V V/ B f+r 1 e ≥ 3 V,X,⊥
n n
2.3 S en = 9 or 10 Heated tool ][ V/ B 1 en ≥ 3 ][
2.4 P dn = 110 Heated tool ][ V/ B 2 en ≥ 3 ][
SDR ≤ 17,6 dn ≤ 315
2.5 P dn ≥ 400 Heated tool ][ V/ B s 2 dn > 315 ][
SDR ≤ 17,6
2.6 P dn = 63 Heated tool I V/ Pc 4 All dn I
SDR ≤ 17,6
2.7 P dn = 63 Electrofusion I V/ Pc 4 All dn I
SDR ≤ 17,6
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SIST EN 13067:2020
EN 13067:2020 (E)

Group of Sub- Type of product Welding process Weld Examination Test piece Range of qualification

material groups form and testing according
S = sheet P = pipe
Dimensions Type of joint
to Figure
Type of test
e = nominal wall
thickness
d = nominal pipe outside
diameter
SDR = dn/en
3 PE 3.1 S e = 10 Hot gas speed X V/ B f+r 1 All e V,X,⊥
n n
3.2 S en = 10 Extrusion continuous V V/ B f+r 1 en ≥ 3 V,X,⊥
3.3 S en = 10 Heated tool ][ V/ B 1 en ≥ 3 ][
3.4 P 110 ≤ d ≤ 180 Heated tool ][ V/ T 2 d ≤ 315 ][
n n
SDR ≤ 17,6
3.5 P d ≥ 400 Heated tool ][ V/ T 2 d > 315 ][
n n
SDR ≤ 17,6
3.6 P 90 ≤ d ≤ 125 Electrofusion I V/ Pc 4 d ≤ 315 I
n n
SDR ≤ 17,6
3.7 P d ≥ 355 Electrofusion I V/ Pd 4 d > 315 I
n n
SDR ≤ 17,6
3.8 P d ≤ 63 Electrofusion .†. V/ Pc 5 All d .†.
n n
90 ≤ dn ≤ 125
SDR ≤ 17,6
3.9 P d = 63 Heated tool I V/ Pc 4 All d I
n n
SDR = 11
---------------------- Page: 15 ----------------------
SIST EN 13067:2020
EN 13067:2020 (E)

Group of Sub- Type of product Welding process Weld Examination Test piece Range of qualification

material groups form and testing according
S = sheet P = pipe
Dimensions Type of joint
to Figure
Type of test
e = nominal wall
thickness
d = nominal pipe outside
diameter
SDR = dn/en
3.10 P d = 32 Heated tool .†. V/ Pc 5 All d .†.
n n
on dn = 90
SDR = 11
4 PVDF 4.1 S en = 4 Hot gas V V/ B f+r 1 en ≥ 2 V,X,⊥
speed
4.2 S en = 4 Heated tool ][ V/ B 1 en ≥ 2 ][
4.3 P dn = 110 Heated tool ][ V/ B 2 All dn ][
e = 5,3 e ≥ 1,9
n n
4.4 P dn = 63 Heated tool I V/ Pc 4 All dn I
e = 3
5 5.1 S en = 2,3 V V/ T 3 en ≥ 1,6 V,X,⊥
ECTFE Hot gas speed
or FEP
or PFA
5.2 P d = 110 Heated tool ][ V/ T 2 All d ][
n n
en = 3 All en
---------------------- Page: 16 ----------------------
SIST EN 13067:2020
EN 13067:2020 (E)

Group of Sub- Type of product Welding process Weld Examination Test piece Range of qualification

material groups form and testing according
S = sheet P = pipe
Dimensions Type of joint
to Figure
Type of test
e = nominal wall
thickness
d = nominal pipe outside
diameter
SDR = dn/en
10 PA-U 10.1 P 110 ≤ d ≤ 180 Heated tool ][ V/ T 2 d ≤ 315 ][
n n
SDR ≤ 17,6
10.2 P d ≥ 400 Heated tool ][ V/ T 2 d > 315 ][
n n
SDR ≤ 17,6
10.3 P 90 ≤ d ≤ 125 Electrofusion I V/ Pc 4 d ≤ 315 I
n n
SDR ≤ 17,6
10.4 P dn ≥ 355 Electrofusion I V/ Pd 4 dn > 315 I
SDR ≤ 17,6
10.5 P dn ≤ 63 Electrofusion .†. V/ Pc 5 All dn .†.
90 ≤ d ≤ 125
SDR ≤ 17,6

” / ” = and; B = Bend test (f: face ; r: root ; s: side (for thick materials)) Pc = Peel test (crush test) ; V = Visual examination; Pd = Peel test (decohesion test);

T = Tensile test; Vls = Visual examination of longitudinal sections
Type of joint
Welding by machine only

V = V preparation; X = double V preparation; ⊥ = fillet weld; ][ = butt weld; .†. = saddle; I = socket

---------------------- Page: 17 ----------------------
SIST EN 13067:2020
EN 13067:2020 (E)
Table 2 — Lining membrane details of practical tests
Dimensions in millimetres

Group of Sub- Type of product Welding process Weld Examination and Test piece Range of qualification

material groups form
...

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