SIST EN 14901-2:2020
(Main)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)
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)
To allow ductile iron pipe manufacturers and users of the product to apply TMPO linings and thereby comply with the relevant requirements of EN 545, EN 545, EN 969. This demonstrates innovation according to Annex I, by the use of non-traditional coating systems offering environmental and economic benefits. The TMPO linings meet the criteria expressed in EN 14901, except for those pertinent to fusion bonded epoxy chemistry. The linings are being used in other parts of the world eg Australia and New Zealand and have been incorporated in the recent AWWA C116/A21.16-15 publication. The current status for TMPO linings in EU amounts to a barrier to trade and does not support SME’s involved in the manufacture, lining and application of the material that offers human health benefits, as highlighted in the Annex I and II.
Rohre, Formstücke und Zubehör aus duktilem Gusseisen - Anforderungen und Prüfverfahren für organische Beschichtungen von Formstücken und Zubehör aus duktilem Gusseisen - Teil 2: Thermoplastisch säuremodifizierte Polyolefin-Beschichtung
Dieses Dokument legt die Anforderungen und Prüfverfahren fest für werkseitig aufgebrachte Beschichtungen aus thermoplastisch säuremodifiziertem Polyolefin (TMPO-Beschichtungen) für den Korrosionsschutz von Formstücken und Zubehör aus duktilem Gusseisen nach EN 545, EN 598:2007+A1:2009, EN 969, EN 12842 und EN 14525:
— zum Transport von Wasser (z. B. Trinkwasser, Rohwasser, ...) bei Betriebstemperaturen bis 50 °C; oder
— zum Transport von Abwasser bei Betriebstemperaturen bis 45 °C; oder
— zum Transport von Gas bei Betriebstemperaturen bis 50 °C;
— geeignet für äußere Umgebungsbedingungen, d. h. Böden, Wasser und Atmosphären mit allen üblichen Korrosionsbelastungen nach EN 545:2010, D.2.3.
Tuyaux, raccords et accessoires en fonte ductile - Prescriptions et méthodes d’essai relatives aux revêtements organiques des raccords et accessoires en fonte ductile - Partie 2 : Revêtement thermoplastique en polyoléfine modifiée par un acide (TPMA)
Le présent document établit les prescriptions et les méthodes d’essai relatives aux revêtements thermoplastiques en polyoléfine modifiée par un acide (TPMA) appliqués en usine, utilisés pour la protection des raccords et accessoires en fonte ductile conformes aux normes EN 545, EN 598:2007+A1:2009, EN 969, EN 12842 et EN 14525 :
— destinés à transporter de l’eau (par exemple eau potable, eau brute, …) à une température de fonctionnement allant jusqu’à 50 °C ; ou
— destinés à transporter des eaux usées à une température de fonctionnement allant jusqu’à 45 °C ; ou
— destinés à transporter du gaz à une température de fonctionnement allant jusqu’à 50 °C ;
— convenant aux environnements extérieurs définis en D.2.3 de l’EN 545:2010, c’est-à-dire la terre, l’eau et les atmosphères corrosives de toute nature.
Cevi, fitingi in pribor iz duktilne železove litine - Zahteve in preskusne metode za zunanje organske prevleke fitingov in pribora iz duktilne železove litine - 2. del: Termoplastična zunanja prevleka iz poliolefina, modificiranega s kislino (TMPO)
Proizvajalcem in uporabnikom cevi iz duktilne železove litine omogoča uporabo termoplastične zunanje prevleke iz poliolefina, modificiranega s kislino (TMPO), in pri tem zagotavljanje skladnosti z ustreznimi zahtevami iz standardov EN 545, EN 545, EN 969. To pomeni inovacijo v skladu z dodatkom I na podlagi uporabe netradicionalnih premaznih sistemov, ki ponujajo okoljske in ekonomske koristi. Obloge iz termoplastične zunanje prevleke iz poliolefina, modificiranega s kislino, izpolnjujejo kriterije iz standarda EN 14901, razen tistih, ki se navezujejo na kemijo vezanega epoksija. Obloge se uporabljajo v drugih delih sveta, npr. v Avstraliji in na Novi Zelandiji, in so bile vključene v nedavno objavo standarda AWWA C116/A21,16-15. Trenutni status oblog iz termoplastične zunanje prevleke iz poliolefina, modificiranega s kislino, v EU pomeni oviro za trgovanje ter ne podpira malih in srednjih podjetij, vključenih v proizvodnjo, oblaganje in nanašanje materiala, ki ponuja koristi za zdravje ljudi, kot je poudarjeno v dodatkih I in II.
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 14901-2:2020
01-januar-2020
Cevi, fitingi in pribor iz duktilne železove litine - Zahteve in preskusne metode za
zunanje organske prevleke fitingov in pribora iz duktilne železove litine - 2. del:
Termoplastična zunanja prevleka iz poliolefina, modificiranega s kislino (TMPO)
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)
Rohre, Formstücke und Zubehör aus duktilem Gusseisen - Anforderungen und
Prüfverfahren für organische Beschichtungen von Formstücken und Zubehör aus
duktilem Gusseisen - Teil 2: Thermoplastisch säuremodifizierte Polyolefin-Beschichtung
Tuyaux, raccords et accessoires en fonte ductile - Prescriptions et méthodes d’essai
relatives aux revêtements organiques des raccords et accessoires en fonte ductile -
Partie 2 : Revêtement thermoplastique en polyoléfine modifiée par un acide (TPMA)
Ta slovenski standard je istoveten z: EN 14901-2:2019
ICS:
23.040.10 Železne in jeklene cevi Iron and steel pipes
23.040.40 Kovinski fitingi Metal fittings
25.220.60 Organske prevleke Organic coatings
SIST EN 14901-2:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 14901-2:2020
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SIST EN 14901-2:2020
EN 14901-2
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2019
EUROPÄISCHE NORM
ICS 23.040.10; 23.040.40; 25.220.60
English Version
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)
Tuyaux, raccords et accessoires en fonte ductile - Rohre, Formstücke und Zubehör aus duktilem
Prescriptions et méthodes d'essai relatives aux Gusseisen - Anforderungen und Prüfverfahren für
revêtements organiques des raccords et accessoires en organische Beschichtungen von Formstücken und
fonte ductile - Partie 2 : Revêtement thermoplastique Zubehör aus duktilem Gusseisen - Teil 2: Beschichtung
en polyoléfine modifiée par un acide (TPMA) aus thermoplastisch säuremodifiziertem Polyolefin
This European Standard was approved by CEN on 16 September 2019.
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
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 14901-2:2019 E
worldwide for CEN national Members.
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SIST EN 14901-2:2020
EN 14901-2:2019 (E)
Contents Page
European foreword . 3
Introduction . 3
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Ordering information . 8
5 Technical Requirements . 8
6 Performance requirements . 9
7 Test methods . 10
Annex A (informative) Quality assurance . 13
Annex B (informative) Coating materials and application . 15
Annex C (informative) Handling, transportation and storage . 16
Bibliography . 17
2
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SIST EN 14901-2:2020
EN 14901-2:2019 (E)
European foreword
This document (EN 14901-2:2019) 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 2020, and conflicting national standards shall be
withdrawn at the latest by May 2020.
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.
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.
3
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SIST EN 14901-2:2020
EN 14901-2:2019 (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), CEN/TC 165 in the field of wastewater and CEN/TC 234 in
the field of gas distribution.
With respect to potential adverse effects on the quality of water intended for human consumption
caused by the product covered by this document:
a) this document provides no information 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.
4
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SIST EN 14901-2:2020
EN 14901-2:2019 (E)
1 Scope
This document defines the requirements and test methods for factory applied thermoplastic acid
modified polyolefin (TMPO) coatings used for the protection of ductile iron fittings and accessories
according to EN 545, EN 598:2007+A1:2009, EN 969, EN 12842 and EN 14525:
— conveying water (e.g. potable water, raw water, …) at operating temperature up to 50 °C; or
— conveying waste water at operating temperature up to 45 °C; or
— conveying gas at operating temperature up to 50 °C;
— suitable for external environments, i.e. soils, waters and atmospheres of all common corrosion
loads, characterized in D.2.3 of EN 545:2010.
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 545:2010, Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements
and test methods
EN 598:2007+A1:2009, Coated and lined ductile iron pipes, fittings and their joints for sewerage and
drainage applications - Product characteristics and test and assessment 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 12842, Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods
EN 14525, Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different
materials: ductile iron, Grey iron, Steel, PVC-U PE, Fibre-cement
EN ISO 4624, Paints and varnishes - Pull-off test for adhesion (ISO 4624)
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)
5
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SIST EN 14901-2:2020
EN 14901-2:2019 (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
type of cast iron used for pipes, fittings and accessories in which graphite is present primarily in
spheroidal form
3.2
fitting
casting other than a pipe or accessory which allows pipe network deviation, change of direction or bore
Note 1 to entry: Flanged-socket pieces, flanged spigot pieces and collars are also classified as fittings.
3.3
accessory
any casting other than a pipe or fitting which is used in a water pipeline
Note 1 to entry: Examples for accessory are:
— valves;
— inspection chambers;
— manholes;
— glands for mechanical flexible joints;
— glands and locking rings for restrained flexible joints;
— pipe saddles for house connection;
— adjustable flanges.
3.4
component
product defined in 3.2 to 3.3
3.5
adhesion
force per unit area, applied perpendicular to the surface, which is necessary to separate the coating
from its substrate
3.6
impact strength
impact energy which a coating can withstand without damage under specific test conditions
6
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SIST EN 14901-2:2020
EN 14901-2:2019 (E)
3.7
indentation resistance
resistance of the coating to the penetration of a punch under defined test conditions
3.8
non porosity
absence of electrical puncture in a high voltage test under defined test conditions
3.9
thermoplastic acid modified polyolefin powder material
TMPO powder
polyolefin resin in which a significant amount of carbon hydrogen chemical bonds is replaced by
carboxylic acid functional groups
3.10
thermoplastic acid modified polyolefin coating
TMPO coating
factory applied coating with TMPO powder applied by sintering or flock spraying or dipping in fluidized
bed on preheated parts or by electrostatic spraying and then heating the parts
3.11
performance test
test which is done once and is repeated only after change of coating material supplier, coating material
or relevant change in process application
3.12
routine test
test carried out to control the manufacturing process with a frequency defined by the manufacturer of
the coated ductile iron component
3.13
designated zones
areas of a casting where because of jointing tolerance restrictions, testing difficulties, or shrouding by a
gasket, etc. a lower coating performance is unavoidable
Note 1 to entry: For the purpose of this standard these areas are defined as:
— joint areas;
— bolt holes;
— permitted markings;
— ribs;
— 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.
3.14
average thickness
arithmetic mean of all thickness measurements taken on one coated item
7
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SIST EN 14901-2:2020
EN 14901-2:2019 (E)
3.15
localized thickness
measured thickness at any one point of one coated item
4 Ordering information
The following information shall be supplied to the manufacturer by the purchaser:
Ductile iron pipes, fittings, accessories and valves according to EN 545, EN 598:2007+A1:2009,
EN 12842 or EN 14525 coated in accordance with this document shall be specified in the purchase
enquiry and order by reference to this document.
EXAMPLE 10 pieces of ductile iron fitting DN 300 according to EN 545 with external coating and internal
lining according to EN 14901-2.
The purchaser shall stipulate the scope of application.
5 Technical Requirements
5.1 General
The coating shall comply with the following technical requirements.
5.2 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).
5.3 Appearance and continuity
The TMPO coating of the final product shall be of:
— uniform colour, except for permitted marking;
— uniform appearance and smoothness, except for admissible repairs;
— free of visible defects (pinholes, bubbles, b
...
SLOVENSKI STANDARD
oSIST prEN 14901-2:2018
01-november-2018
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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 (EN14901-2)
Rohre, Formstücke und Zubehör aus duktilem Gusseisen - Anforderungen und
Prüfverfahren für organische Beschichtungen von Formstücken und Zubehör aus
duktilem Gusseisen - Teil 2: Thermoplastisch säuremodifizierte Polyolefin-Beschichtung
Tuyaux, raccords et accessoires en fonte ductile - Prescriptions et méthodes d’essai
relatives aux revêtements organiques des raccords et accessoires en fonte ductile -
Partie 2 : Revêtement thermoplastique en polyoléfine modifiée par un acide
Ta slovenski standard je istoveten z: prEN 14901-2
ICS:
23.040.10 Železne in jeklene cevi Iron and steel pipes
23.040.40 Kovinski fitingi Metal fittings
25.220.60 Organske prevleke Organic coatings
oSIST prEN 14901-2:2018 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 14901-2:2018
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oSIST prEN 14901-2:2018
DRAFT
EUROPEAN STANDARD
prEN 14901-2
NORME EUROPÉENNE
EUROPÄISCHE NORM
October 2018
ICS 23.040.10; 23.040.40; 25.220.60
English Version
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 (EN14901-2)
Rohre, Formstücke und Zubehör aus duktilem
Gusseisen - Anforderungen und Prüfverfahren für
organische Beschichtungen von Formstücken und
Zubehör aus duktilem Gusseisen - Teil 2:
Thermoplastisch säuremodifizierte Polyolefin-
Beschichtung
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 203.
If this draft becomes a European Standard, 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.
This draft European Standard was established by CEN 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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and United Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.
Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 14901-2:2018 E
worldwide for CEN national Members.
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (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 General . 9
5.2 Surface preparation . 9
5.3 Appearance and continuity . 9
5.4 Adhesion . 9
5.5 Coating thickness . 9
5.6 Non porosity . 10
5.7 Repairs . 10
5.8 Marking . 10
6 Performance requirements . 10
6.1 General . 10
6.2 Impact resistance . 10
6.3 Indentation resistance . 10
6.4 Durability . 10
6.4.1 Heat ageing resistance in water . 10
6.5 Chemical resistance (only for waste water/sewage application) . 10
6.6 Abrasion resistance (only for waste water/sewage application). 11
6.7 Materials in contact with water intended for human consumption . 11
7 Test methods . 11
7.1 Routine tests . 11
7.1.1 Surface preparation . 11
7.1.2 Appearance . 11
7.1.3 Adhesion . 11
7.1.4 Coating thickness . 11
7.2 Performance tests . 11
7.2.1 General . 11
7.2.2 Impact resistance . 11
7.2.3 Indentation resistance . 12
7.2.4 Non porosity . 12
7.2.5 Durability . 12
Annex A (informative) Quality assurance . 13
A.1 General . 13
A.2 Performance type test, component size grouping . 14
A.3 Quality assessment system . 14
Annex B (informative) Coating materials and application . 15
2
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (E)
B.1 General . 15
B.2 Coating application . 15
Annex C (informative) Handling, transportation and storage. 16
C.1 Handling . 16
C.2 Transportation to storage areas . 16
C.3 Storage . 16
C.4 Loading of components for delivery . 16
Bibliography . 17
3
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (E)
European foreword
This document (prEN 14901-2:2018) 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 document is currently submitted to the CEN Enquiry.
4
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (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), CEN/TC 165 in the field of wastewater and CEN/TC 234 in the
field of gas distribution.
In respect of potential adverse effects on the quality of water intended for human consumption, caused
by the product covered by this document:
1) this document provides no information as to whether the product may be used without restriction
in any of the member states of the EU or EFTA;
2) 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.
5
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (E)
1 Scope
This document defines the requirements and test methods for factory applied thermoplastic acid
modified polyolefin (TMPO) coatings used for the protection of ductile iron fittings and accessories
conforming to EN 545, EN 598, EN 969, EN 12842 and EN 14525:
— conveying water (e.g. potable water, raw water, …) at operating temperature up to 50 °C; or
— conveying waste water at operating temperature up to 45 °C; or
— conveying gas at operating temperature up to 50 °C;
— suitable for external environments, i.e. soils, waters and atmospheres of all common corrosion loads,
characterized in D.2.3 of EN 545:2010.
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 545:2010, Ductile iron pipes, fittings, accessories and their joints for water pipelines - Requirements and
test methods
EN 598, Ductile iron pipes, fittings, accessories and their joints for sewerage application — 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 12842, Ductile iron fittings for PVC-U or PE piping systems - Requirements and test methods
EN 14525, Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different
materials: ductile iron, Grey iron, Steel, PVC-U PE, Fibre-cement
EN ISO 4624, Paints and varnishes - Pull-off test for adhesion (ISO 4624)
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)
6
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (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 http://www.iso.org/obp
3.1
ductile iron
type of cast iron used for pipes, fittings and accessories in which graphite is present primarily in
spheroidal form
3.2
fitting
casting other than a pipe or accessory which allows pipe network deviation, change of direction or bore
Note 1 to entry: Flanged-socket pieces, flanged spigot pieces and collars are also classified as fittings.
3.3
accessory
any casting other than a pipe or fitting or valve which is used in a pipeline:
— glands and locking rings for restrained and/or mechanical flexible joints;
— pipe saddles for house connection;
— adjustable flanges;
— glands for mechanical flexible joints;
— inspection chambers;
— manholes
3.4
component
product defined in 3.2 to 3.3
3.5
adhesion
force per unit area, applied perpendicular to the surface, which is necessary to separate the coating from
its substrate
3.6
impact strength
impact energy which a coating can withstand without damage under specific test conditions
3.7
indentation resistance
resistance of the coating to the penetration of a punch under defined test conditions
7
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oSIST prEN 14901-2:2018
prEN 14901-2:2018 (E)
3.8
non porosity
absence of electrical puncture in a high voltage test under defined test conditions
3.9
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
3.10
t
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