Ductile iron pipes, fittings and accessories - Requirements and test methods for organic linings of ductile iron pipes and fittings - Part 2: Thermoplastic Modified Polyolefin (TMPO) lining of pipes

This European Standard defines the requirements and test methods for thermoplastic modified polyolefin (TMPO) lining of pipes and fittings.

Rohre, Formstücke und Zubehörteile aus duktilem Gusseisen - Anforderungen und Prüfverfahren für organische Auskleidungen von Rohren und Formstücken aus duktilem Gusseisen - Teil 2: Auskleidung von Rohren aus thermoplastisch säuremodifiziertem Polyolefin (TMPO)

Dieses Dokument legt die Anforderungen an werksseitig aufgebrachte Innenauskleidungen aus thermo-plastisch säuremodifiziertem Polyolefin (en: thermoplastic acid modified polyolefin, TMPO) für den Korrosionsschutz für erhöhte Beanspruchung von Rohren aus duktilem Gusseisen nach EN 545, EN 598 und EN 969 sowie die dafür geltenden Prüfverfahren fest. Dieses Dokument gilt auch für Rohre, bei denen nur Muffen- und Einsteckenden mit TMPO beschichtet sind. Formstücke und Zubehörteile werden durch EN 14901 2 gesondert abgedeckt.

Tuyaux, raccords et accessoires en fonte ductile - Prescriptions et méthodes d’essai pour les revêtements organiques des tuyaux et raccords en fonte ductile - Partie 2 : Revêtements thermoplastiques en polyoléfine modifiée par un acide (TPMA) des tuyaux

Le présent document spécifie les prescriptions et les méthodes d’essai relatives aux revêtements intérieurs thermoplastiques en polyoléfine modifiée par un acide (TPMA), appliqués en usine, et destinés à fournir une protection renforcée contre la corrosion pour les tuyaux en fonte ductile conformes à l’EN 545, l’EN 598 et l’EN 969. Le présent document s’applique aussi aux tuyaux dont seules l’extrémité à bout uni et l’emboîture sont revêtues de TPMA. Les raccords et accessoires sont traités séparément dans l’EN 14901-2.

Cevi, fitingi in pribor iz duktilne železove litine - Zahteve in preskusne metode za notranje organske prevleke cevi in fitingov iz duktilne železove litine - 2. del: Termoplastična notranja prevleka cevi iz modificiranega poliolefina (TMPO)

General Information

Status
Published
Public Enquiry End Date
02-Feb-2020
Publication Date
11-Jan-2021
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
05-Jan-2021
Due Date
12-Mar-2021
Completion Date
12-Jan-2021

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SLOVENSKI STANDARD
SIST EN 15655-2:2021
01-februar-2021
Nadomešča:
SIST EN 15655:2009

Cevi, fitingi in pribor iz duktilne železove litine - Zahteve in preskusne metode za

notranje organske prevleke cevi in fitingov iz duktilne železove litine - 2. del:

Termoplastična notranja prevleka cevi iz modificiranega poliolefina (TMPO)

Ductile iron pipes, fittings and accessories - Requirements and test methods for organic

linings of ductile iron pipes and fittings - Part 2: Thermoplastic Modified Polyolefin

(TMPO) lining of pipes
Rohre, Formstücke und Zubehörteile aus duktilem Gusseisen - Anforderungen und

Prüfverfahren für organische Auskleidungen von Rohren und Formstücken aus duktilem

Gusseisen - Teil 2: Auskleidung von Rohren aus thermoplastisch säuremodifiziertem

Polyolefin (TMPO)

Tuyaux, raccords et accessoires en fonte ductile - Prescriptions et méthodes d’essai

pour les revêtements organiques des tuyaux et raccords en fonte ductile - Partie 2 :

Revêtements thermoplastiques en polyoléfine modifiée par un acide (TPMA) des tuyaux

Ta slovenski standard je istoveten z: EN 15655-2:2020
ICS:
23.040.10 Železne in jeklene cevi Iron and steel pipes
23.040.40 Kovinski fitingi Metal fittings
SIST EN 15655-2:2021 en,fr,de

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

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SIST EN 15655-2:2021
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SIST EN 15655-2:2021
EN 15655-2
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2020
EUROPÄISCHE NORM
ICS 23.040.10; 23.040.40 Supersedes EN 15655:2009
English Version
Ductile iron pipes, fittings and accessories - Requirements
and test methods for organic linings of ductile iron pipes
and fittings - Part 2: Thermoplastic Acid Modified
Polyolefin (TMPO) lining of pipes

Tuyaux, raccords et accessoires en fonte ductile - Rohre, Formstücke und Zubehörteile aus duktilem

Prescriptions et méthodes d'essai pour les revêtements Gusseisen - Anforderungen und Prüfverfahren für

organiques des tuyaux et raccords en fonte ductile - organische Auskleidungen von Rohren und

Partie 2 : Revêtements thermoplastiques en Formstücken aus duktilem Gusseisen - Teil 2:

polyoléfine modifiée par un acide (TPMA) des tuyaux Auskleidung von Rohren aus thermoplastisch

säuremodifiziertem Polyolefin (TMPO)
This European Standard was approved by CEN on 11 October 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 15655-2:2020 E

worldwide for CEN national Members.
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SIST EN 15655-2:2021
EN 15655-2:2020 (E)
Contents Page

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

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

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

2 Normative references .......................................................................................................................... 6

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

4 Ordering information .......................................................................................................................... 9

5 Technical requirements ..................................................................................................................... 9

5.1 Surface preparation ............................................................................................................................. 9

5.2 Finished TMPO lining .......................................................................................................................... 9

5.2.1 Appearance and continuity ............................................................................................................... 9

5.2.2 Minimum lining thickness ................................................................................................................. 9

5.3 Non-porosity ........................................................................................................................................... 9

5.4 Pipe ends ................................................................................................................................................ 10

5.5 Repairs .................................................................................................................................................... 10

5.6 Marking .................................................................................................................................................. 10

5.7 Adhesion ................................................................................................................................................ 10

6 Performance requirements ............................................................................................................. 10

6.1 Chemical resistance ........................................................................................................................... 10

6.2 Indirect Impact strength .................................................................................................................. 11

6.3 Resistance to ovalization ................................................................................................................. 11

6.4 Elongation at break ............................................................................................................................ 11

6.5 Abrasion resistance (only for waste water application) ...................................................... 11

6.6 Materials in contact with water intended for human consumption ................................. 11

7 Test methods ........................................................................................................................................ 12

7.1 Routine tests ......................................................................................................................................... 12

7.1.1 General.................................................................................................................................................... 12

7.1.2 Surface preparation ........................................................................................................................... 12

7.1.3 Appearance and continuity ............................................................................................................. 12

7.1.4 Lining thickness................................................................................................................................... 12

7.1.5 Pipe ends ................................................................................................................................................ 12

7.1.6 Repairs .................................................................................................................................................... 12

7.1.7 Marking .................................................................................................................................................. 12

7.1.8 Non-porosity ......................................................................................................................................... 12

7.1.9 Adhesion ................................................................................................................................................ 13

7.2 Performance tests ............................................................................................................................... 13

7.2.1 General.................................................................................................................................................... 13

7.2.2 Chemical resistance ........................................................................................................................... 13

7.2.3 Indirect impact strength .................................................................................................................. 14

7.2.4 Resistance to ovalization ................................................................................................................. 14

7.2.5 Elongation at break ............................................................................................................................ 14

7.2.6 Abrasion resistance (only for waste water application) ...................................................... 14

Annex A (informative) Quality assurance ............................................................................................... 15

A.1 General.................................................................................................................................................... 15

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SIST EN 15655-2:2021
EN 15655-2:2020 (E)

A.2 Performance test - DN grouping .................................................................................................... 16

A.3 Quality assessment system ............................................................................................................. 17

Annex B (informative) Lining process and materials ......................................................................... 18

B.1 Lining application process .............................................................................................................. 18

B.2 Material properties ............................................................................................................................ 18

B.2.1 General ................................................................................................................................................... 18

B.2.2 TMPO ....................................................................................................................................................... 18

B.2.3 Epoxy resin ............................................................................................................................................ 18

B.3 Jet cleaning ............................................................................................................................................ 18

B.4 Field of use (characteristics of transported waters) ............................................................. 19

Annex C (informative) Packaging .............................................................................................................. 20

Bibliography ....................................................................................................................................................... 21

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SIST EN 15655-2:2021
EN 15655-2:2020 (E)
European foreword

This document (EN 15655-2:2020) has been prepared by Technical Committee CEN/TC 203 “Cast iron

pipes, fittings and their joints”, the secretariat of which is held by AFNOR.

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 May 2021, and conflicting national standards shall be

withdrawn at the latest by May 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 15655:2009.
The main changes to EN 15655:2009 are:

a) EN 15655 has been split into two parts. This part covers thermoplastic acid modified polyolefin

lining of pipes.

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 15655-2:2021
EN 15655-2:2020 (E)
Introduction

This document is in conformity with the general requirements already established by CEN/TC 164 in the

field of water supply (e.g. potable water) and CEN/TC 165 in the field of waste water.

In respect of potential adverse effects on the quality of water intended for human consumption, caused

by the product covered by this document:

a) no information is provided as to whether the product may be used without restriction in any of the

member states of the EU or EFTA;

b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national

regulations concerning the use and/or the characteristics of this product remain in force.

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SIST EN 15655-2:2021
EN 15655-2:2020 (E)
1 Scope

This document specifies the requirements and test methods applicable to factory applied internal lining

made of thermoplastic acid modified polyolefin (TMPO) for the heavy duty corrosion protection of ductile

iron pipes conforming to EN 545, EN 598 and EN 969. This document also applies to pipes with only

socket and spigot ends coated with TMPO. Fittings and accessories are covered separately by EN 14901-2.

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 545, Ductile iron pipes, fittings, accessories and their joints for water pipelines — Requirements and test

methods

EN 598:2007+A1:2009, Ductile iron pipes, fittings, accessories and their joints for sewerage applications —

Requirements and test methods
EN 805, Water supply — Requirements for systems and components outside buildings

EN 969, Ductile iron pipes, fittings, accessories and their joints for gas pipelines — Requirements and test

methods

EN 14901-1, Ductile iron pipes, fittings and accessories — Requirements and test methods for organic

coatings of ductile iron fittings and accessories — Part 1: Epoxy coating (heavy duty)

EN 14901-2, Ductile iron pipes, fittings and accessories — Requirements and test methods for organic

coatings of ductile iron fittings and accessories — Part 2: Thermoplastic acid modified polyolefin coating

(TMPO)
EN ISO 4624, Paints and varnishes — Pull-off test for adhesion (ISO 4624)

EN ISO 4628-2:2016, Paints and varnishes — Evaluation of degradation of coatings — Designation of

quantity and size of defects, and of intensity of uniform changes in appearance — Part 2: Assessment of

degree of blistering (ISO 4628-2:2016)

EN ISO 4628 (series), Paints and varnishes — Evaluation of degradation of coatings — Designation of

quantity and size of defects, and of intensity of uniform changes in appearance
EN ISO 62:2008, Plastics — Determination of water absorption (ISO 62:2008)

EN ISO 527-3, Plastics — Determination of tensile properties — Part 3: Test conditions for films and sheets

(ISO 527-3)

EN ISO 6272-1:2011, Paints and varnishes — Rapid-deformation (impact resistance) tests — Part 1:

Falling-weight test, large-area indenter (ISO 6272-1:2011)

EN ISO 8501-1, Preparation of steel substrates before application of paints and related products — Visual

assessment of surface cleanliness — Part 1: Rust grades and preparation grades of uncoated steel substrates

and of steel substrates after overall removal of previous coatings (ISO 8501-1)
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SIST EN 15655-2:2021
EN 15655-2:2020 (E)
3 Terms and definitions
For the purposes of this document, the following terms and definitions 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
ductile iron

cast iron used for pipes, fittings and accessories in which graphite is present substantially in spheroidal

form
3.2
adhesion

force per unit area, applied perpendicular to the surface, which is necessary to separate the lining from

its substrate
3.3
indirect impact strength

impact energy applied from outside of the pipe with deformation to which a lining can withstand without

damage under defined test conditions
3.4
hardness

resistance of the lining to the penetration of a ball under defined test conditions

3.5
minimum lining thickness
minimum value of the lining thickness measured at the lined item
3.6
non-porosity
absence of holidays in a high voltage test under defined test conditions
3.7
TMPO lining
factory applied lining which consists of TMPO on the inside of the pipe
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SIST EN 15655-2:2021
EN 15655-2:2020 (E)
Key
1 gasket seat
2 pipe barrel
3 spigot end
4 lining
5 internal socket profile
Figure 1 — Location of the defined pipe areas
3.8
thermoplastic acid modified polyolefin powder material (TMPO powder)

polyolefin resin in which a significant amount of carbon hydrogen chemical bonds are replaced by

carboxylic acid functional groups
[SOURCE: EN 14901-2:2019]
3.9
specific lining resistance
surface related electric resistance of the lining perpendicular to the pipe wall
3.10
performance test

test which is done once and is repeated according to a schedule or after relevant change of lining material

and/or material supplier or change in process application
3.11
routine test

test carried out to control the manufacturing process with a frequency defined by the manufacturer

3.12
designated zones

areas of a casting where because of jointing tolerance restrictions, testing difficulties, or shrouding by a

gasket, etc. a lower standard of lining performance is unavoidable
Note 1 to entry: For the purpose of this standard these areas are defined as:
— joint areas;
— permitted markings;
— edges

Note 2 to entry: Where considered necessary, these zones may be protected by appropriate additional corrosion

protection measures during or after installation. However, such measures are not part of this standard

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SIST EN 15655-2:2021
EN 15655-2:2020 (E)
4 Ordering information

The following information shall be supplied by the purchaser to the manufacturer.

Ductile iron pipes according to EN 545, EN 598 or EN 969 but internally lined in accordance with this

document shall be specified in the purchaser's enquiry and order by reference to this standard, e.g.

— 5 000 m of ductile iron pipe DN 300 according to EN 545, internal TMPO-lining according to

EN 15655-2; or
— further information about use and handling, if needed.

General information on handling, transportation and storage to prevent damage to the TMPO lining is

given in Annex C.
5 Technical requirements
5.1 Surface preparation

Surface preparation shall be designed in order to reach the required performances specified in this

document. It is the responsibility of the manufacturer to demonstrate the fitness for purpose of surface

preparation technology and to put in place a quality control procedure to ensure the stability of those

performances (see 7.1.2).
5.2 Finished TMPO lining
5.2.1 Appearance and continuity
The TMPO lining shall be checked in accordance with 7.1.3 and be of:
...

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