EN 14901-1:2014+A1:2019

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)

This European Standard defines the requirements and test methods for factory applied epoxy coatings (fusion bonded powder or liquid two-pack) used for the corrosion protection of ductile iron fittings and accessories conforming to EN 545, EN 598, EN 969, EN 12842, EN 14525, for:
-   conveying water (e.g. potable water) at operating temperature up to 50 °C excluding frost; or
-   conveying waste water at operating temperature up to 45 °C excluding frost; 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 EN 545:2010, D.2.3.

Rohre, Formstücke und Zubehör aus duktilem Gusseisen - Anforderungen und Prüfverfahren für organische Beschichtungen von Formstücken und Zubehörteilen aus duktilem Gusseisen - Teil 1: Epoxidharzbeschichtung (für erhöhte Beanspruchung)

Diese Europäische Norm legt die Anforderungen und Prüfverfahren fest für werksmäßig aufgebrachte Epoxidharzbeschichtungen (Aufschmelzen von pulverförmigem Epoxidharz oder flüssigem Epoxidharz im Zwei-Komponentenverfahren) für den Korrosionsschutz von Formstücken und Zubehörteilen aus duktilem Gusseisen nach EN 545, EN 598, EN 969, EN 12842, EN 14525
-   zum Transport von Wasser (z. B. Trinkwasser) bei Betriebstemperaturen bis 50 °C, jedoch außerhalb des Frostbereiches; oder
-   zum Transport von Abwasser bei Betriebstemperaturen bis 45 °C, jedoch außerhalb des Frostbereiches; 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 pour les revêtements organiques des raccords et accessoires en fonte ductile - Partie 1 : Revêtement époxy (renforcé)

La présente Norme européenne établit les prescriptions et les méthodes d’essai relatives aux revêtements époxy appliqués en usine (poudre liée par fusion, liquide à deux composants), utilisés pour la protection contre la corrosion des raccords et accessoires en fonte ductile conformes aux normes EN 545, EN 598, EN 969, EN 12842 et EN 14525 destinés à transporter :
-   de l’eau (eau potable par exemple) à une température de fonctionnement allant jusqu’à 50 °C hors gel ; ou
-   des eaux usées à une température de fonctionnement allant jusqu’à 45 °C hors gel ; ou
-   du gaz à une température de fonctionnement allant jusqu’à 50 °C ;
-   et 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 - 1. del: Epoksidna prevleka (za visoke obremenitve) (vključno z dopolnilom A1)

Ta evropski standard določa zahteve in preskusne metode za tovarniško nanesene epoksidne prevleke (s fuzijo sprijet prah ali dvokomponentna tekočina), ki se uporabljajo za protikorozijsko zaščito fitingov in pribora iz duktilne železove litine v skladu s standardi EN 545, EN 598, EN 969, EN 12842, EN 14525 za:
– prenos vode (npr. pitne vode) pri obratovalni temperaturi do 50 °C, brez zamrznitve; ali
– prenos odpadne vode pri obratovalni temperaturi do 45 °C, brez zamrznitve; ali
– prenos plina pri obratovalni temperaturi do 50 °C, brez zamrznitve;
– primerno za zunanja okolja, tj. tla, vode in atmosfere vseh skupnih korozijskih obremenitev, opredeljenih v točki D.2.3 standarda EN 545:2010.

General Information

• Status: Published
• Publication Date: 12-Nov-2019
• Withdrawal Date: 30-May-2020
• ICS: 23.040.10 - Iron and steel pipes
• ICS: 23.040.40 - Metal fittings
• ICS: 25.220.60 - Organic coatings
• Technical Committee: CEN/TC 203 - Cast iron pipes, fittings and their joints
• Drafting Committee: CEN/TC 203/WG 8 - Coatings for pipes, fittings and accessories
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 13-Nov-2019
• Completion Date: 13-Nov-2019
• Ref Project: SIST EN 14901-1:2014+A1:2020 - 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)

Relations

• Merged From: EN 14901:2014 - Ductile iron pipes, fittings and accessories - Epoxy coating (heavy duty) of ductile iron fittings and accessories - Requirements and test methods
• Effective Date: 19-Jan-2023
• Merged From: EN 14901-1:2014/FprA1 - 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)
• Effective Date: 28-Aug-2019

Overview

EN 14901-1:2014+A1:2019 is a CEN European Standard that specifies requirements and test methods for factory-applied epoxy coatings (fusion bonded powder or liquid two‑pack) for ductile iron fittings and accessories. It covers coatings used for corrosion protection of fittings and accessories that conform to EN 545, EN 598, EN 969, EN 12842 and EN 14525. The standard applies where the pipeline conveys:

• water (including potable water) up to 50 °C (excluding frost),
• wastewater up to 45 °C (excluding frost), or
• gas up to 50 °C, and for external environments (soils, waters, atmospheres) representative of common corrosion loads.

This edition includes Amendment A1 (approved 2019) and defines both routine and performance test regimes, quality assurance and handling/storage guidance.

Key Topics and Requirements

• Coating types covered: fusion-bonded powder epoxy and liquid two‑pack epoxy (heavy duty).
• Surface preparation: requirements for substrate cleanliness and preparation before coating (references include EN ISO 8501-1).
• Appearance & continuity: visual inspection and acceptance criteria for coating integrity.
• Adhesion & crosslinking: tests to verify coating bond to ductile iron and adequate chemical crosslinking (EN ISO 4624 referenced for pull-off tests).
• Coating thickness: defined measurement methods and minimum thickness requirements for protective performance.
• Mechanical resistance: impact resistance and indentation resistance tests to simulate handling and in-service mechanical stresses.
• Non-porosity: electrical puncture tests to detect pores and defects.
• Durability tests: heat ageing in air and water; chemical resistance and abrasion resistance requirements specifically for sewage applications.
• Potable water compatibility: assessment of materials in contact with water intended for human consumption.
• Routine vs performance testing: both factory routine tests and type/performance tests are specified, plus provisions for repair, marking and documentation.
• Annexes: informative guidance on quality assurance, coating application, handling, transportation and storage.

Practical Applications and Users

This standard is essential for:

• Manufacturers and fabricators of ductile iron fittings and accessories specifying or applying epoxy coatings for corrosion protection.
• Coating applicators and quality control laboratories conducting routine and performance tests.
• Water utilities, wastewater authorities and gas distribution companies specifying asset materials and coatings for pipelines and fittings.
• Specifiers, engineers and procurement teams ensuring compliance with European requirements for durability, safety and potable water compatibility.
• Certification bodies assessing conformity with CEN requirements.

Using EN 14901-1 helps ensure reliable corrosion protection, consistent coating quality, and compliance across water, sewerage and gas pipeline applications.

Related Standards

• EN 545, EN 598, EN 969, EN 12842, EN 14525 (ductile iron pipe/fitting product standards)
• EN ISO 4624 (pull-off adhesion test)
• EN ISO 8501-1 (surface cleanliness)
• EN 805 (water supply systems)

Keywords: EN 14901-1, epoxy coating, ductile iron fittings, fusion bonded epoxy, corrosion protection, coating test methods, potable water, sewerage, gas pipelines.

Standards Content (Sample)

SLOVENSKI STANDARD
01-januar-2020
Nadomešča:
SIST EN 14901:2014
Cevi, fitingi in pribor iz duktilne železove litine - Zahteve in preskusne metode za
zunanje organske prevleke fitingov in pribora iz duktilne železove litine - 1. del:
Epoksidna prevleka (za visoke obremenitve) (vključno z dopolnilom A1)
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)
Rohre, Formstücke und Zubehör aus duktilem Gusseisen - Anforderungen und
Prüfverfahren für organische Beschichtungen von Formstücken und Zubehörteilen aus
duktilem Gusseisen - Teil 1: Epoxidharzbeschichtung (für erhöhte Beanspruchung)
Tuyaux, raccords et accessoires en fonte ductile - Prescriptions et méthodes d'essai
pour les revêtements organiques des raccords et accessoires en fonte ductile - Partie 1 :
Revêtement époxy (renforcé)
Ta slovenski standard je istoveten z: EN 14901-1:2014+A1:2019
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
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 14901-1:2014+A1
EUROPEAN STANDARD
NORME EUROPÉENNE
November 2019
EUROPÄISCHE NORM
ICS 23.040.10; 23.040.40; 25.220.60 Supersedes EN 14901:2014
English Version
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)
Tuyaux, raccords et accessoires en fonte ductile - Rohre, Formstücke und Zubehör aus duktilem
Prescriptions et méthodes d'essai pour les revêtements Gusseisen - Anforderungen und Prüfverfahren für
organiques des raccords et accessoires en fonte ductile organische Beschichtungen von Formstücken und
- Partie 1 : Revêtement époxy (renforcé) Zubehörteilen aus duktilem Gusseisen - Teil 1:
Epoxidharzbeschichtung (für erhöhte Beanspruchung)
This European Standard was approved by CEN on 28 August 2014 and includes Amendment 1 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 14901-1:2014+A1:2019 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
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 Cross linkage . 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 Non porosity . 10
6.5 Cross linkage . 11
6.6 Durability . 11
6.6.1 General . 11
6.6.2 Heat ageing resistance in air . 11
6.6.3 Heat ageing resistance in water . 11
6.7 Chemical resistance (only for sewage application) . 11
6.8 Abrasion resistance (only for sewage application) . 11
6.9 Materials in contact with water intended for human consumption . 11
7 Test Methods . 11
7.1 Routine tests . 11
7.1.1 General . 11
7.1.2 Surface preparation . 11
7.1.3 Appearance and continuity . 11
7.1.4 Adhesion . 12
7.1.5 Coating thickness . 12
7.1.6 Cross linkage . 12
7.2 Performance tests . 12
7.2.1 General . 12
7.2.2 Impact resistance . 12
7.2.3 Indentation resistance . 12
7.2.4 Non porosity . 13
7.2.5 Durability . 13
Annex A (informative) Quality assurance . 14
A.1 General . 14
A.2 Performance type test, fitting and accessory size grouping . 15
A.3 Quality assessment system . 15
Annex B (informative) Coating materials and application . 16
B.1 General . 16
B.2 Coating application . 16
Annex C (informative) Handling, transportation and storage. 17
C.1 Handling . 17
C.2 Transportation to storage areas . 17
C.3 Storage . 17
C.4 Loading of fittings and accessories for delivery . 17
Bibliography . 18

European foreword
This document (EN 14901-1:2014+A1:2019) 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.
This document includes Amendment 1 approved by CEN on 16 September 2019.
This document supersedes !EN 14901:2014".
The start and finish of text introduced or altered by amendment is indicated in the text by tags !".
In comparison with EN 14901:2006, the following changes have been made:
— correction of several typing errors, wrong units etc.;
— actualized dates of referenced standards;
— clearer description of the coating thickness test method (7.1.5);
— attribution of performance requirements “chemical resistance” and “abrasion resistance” to
coatings in sewer applications (Lines 8 and 9 of Table A.1);
— actualization of the requirement “fitness for contact with potable water” according to the present
status (line 10 of Table A.1);
— correction of overlapping nominal sizes at DN grouping (Table A.3).
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.
Introduction
This European Standard 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 European Standard:
1) this standard 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.
1 Scope
This European Standard defines the requirements and test methods for factory applied epoxy coatings
(fusion bonded powder or liquid two-pack) used for the corrosion protection of ductile iron fittings and
accessories conforming to EN 545, EN 598, EN 969, EN 12842, EN 14525, for:
— conveying water (e.g. potable water) at operating temperature up to 50 °C excluding frost; or
— conveying waste water at operating temperature up to 45 °C excluding frost; 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 EN 545:2010, D.2.3.
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 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 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)
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:
• ISO Online browsing platform: available at https://www.iso.org/obp
• IEC Electropedia: available at http://www.electropedia.org/

3.1
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”."
3.2
adhesion
force per unit area, applied perpendicular to the surface, which is necessary to separate the coating
from its substrate
3.3
cross linkage
chemical reaction between epoxy resin and hardener to form the final coating
3.4
ductile iron
cast iron used for pipes, fittings and accessories in which graphite is present substantially in spheroidal
form
3.5
fitting
casting other than a pipe or accessory which allows pipeline deviation, change of direction or bore
Note 1 to entry: Flanged-socket pieces, flanged spigot pieces and collars are also classified as fittings.
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
3.8
non porosity
absence of electrical puncture in a high voltage test under defined test conditions
3.9
epoxy coating
factory applied coating with pure epoxy as a binder such as:
— fusion bonded epoxy powder (P) applied by (electrostatic) spraying or dipping in fluidized bed on
preheated parts;
— two-pack liquid epoxy (L) consisting of a base and a catalyst component which is mixed together in
the proportion specified by the manufacturer before use
3.10
chalking
superficial reaction of epoxy coatings influenced by UV-radiation
Note 1 to entry: The process is stopped by the reaction products at a depth of 2 µm to 5 µm, combined with a
loss of brilliance. There are no adverse influences on the protection properties.
3.11
performanc
...