Plastics piping systems for non-pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 3: Specifications for pipes and fittings with smooth internal and profiled external surface and the system, Type B

This part of EN 13476, together with EN 13476-1, specifies the definitions and requirements for pipes, fittings and the system based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) structured-wall piping systems that are intended to be used for non-pressure underground drainage and sewerage systems.
This part is applicable to pipes and fittings with smooth internal and profiled external surfaces, designated as Type B.
It specifies test methods and test parameters as well as requirements.
This part is applicable to:
a)   structured-wall pipes and fittings, which are intended to be used buried underground outside the building structure, reflected in the marking of products by "U";
b)   structured-wall pipes and fittings, which are intended to be used buried underground both outside (application area code "U") and within the building structure (application area code "D"), reflected in the marking of products by "UD".
This part is applicable to structured-wall pipes and fittings with or without an integral socket with elastomeric ring seal joints as well as welded and fused joints.
This part covers a range of pipe and fitting sizes, materials, pipe constructions, stiffness classes, application classes, and tolerance classes and gives recommendations concerning colours.
NOTE   It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.

Kunststoff-Rohrleitungssysteme für erdverlegte drucklose Abwasserkanäle und -leitungen - Rohrleitungssysteme mit profilierter Wandung aus weichmacherfreiem Polyvinylchlorid (PVC-U), Polypropylen (PP) und Polyethylen (PE) - Teil 3: Anforderungen an Rohre und Formstücke mit glatter Innen- und profilierter Außenfläche und an das Rohrleitungssystem, Typ B

Dieser Teil von EN 13476 legt gemeinsam mit prEN 13476-1 die Definitionen und Anforderungen für Rohre, Formstücke und das Rohrleitungssystem aus weichmacherfreiem Polyvinylchlorid (PVC-U), Polypropylen (PP) und Polyethylen (PE) mit profilierter Wandung fest, die für erdverlegte, drucklos betriebene Abwasserkanäle und -leitungen verwendet werden.
Dieser Teil gilt für Rohre und Formstücke mit glatten Innen- und profilierten Außenflächen, bezeichnet als Typ B.
Es werden sowohl Prüfverfahren und Prüfparameter als auch Anforderungen festgelegt.
Dieser Teil gilt für:
a)   Rohre und Formstücke mit profilierter Wandung, die ausschließlich für erdverlegte Anwendungen außerhalb einer Gebäudestruktur vorgesehen sind; gekennzeichnet mit Anwendungskennzeichen "U".
b)   Rohre und Formstücke mit profilierter Wandung, die sowohl für erdverlegte Anwendungen außerhalb der Gebäudestruktur (Anwendungskennzeichen "U") als auch innerhalb einer Gebäudestruktur (Anwendungskennzeichen "D") vorgesehen sind; gekennzeichnet mit Anwendungskennzeichen "UD".
Dieser Teil gilt für Rohre und Formstücke mit profilierter Wandung sowohl mit glatten Enden als auch mit geformter Muffe, die mittels elastomerer Dichtringverbindungen bzw. durch Heizelement-Stumpf-, Extrusions- oder Heizwendelschweißen miteinander verbunden sind.
Diese Norm enthält Festlegungen für Maße von Rohren und Formstücken, für Werkstoffe, Rohrkonstruktionen, für Steifigkeitsklassen, Anwendungs- und Toleranzklassen und gibt Empfehlungen für die Einfärbung.
ANMERKUNG   Der Anwender bzw. Auftraggeber ist unter Berücksichtigung der eigenen Anforderungen sowie der geltenden nationalen Festlegungen und Verlegepraktiken oder -vorschriften für die entsprechende Auswahl dieser Kriterien verantwortlich.

Systèmes de canalisations en plastique pour les branchements et les collecteurs d'assainissements sans pression enterrés - Systèmes de canalisations à parois structurées en poly(chlorure de vinyle) non plastifié (PVC-U), polypropylène (PP) et polyéthylène (PE) - Partie 3 : Spécifications pour les tubes et raccords avec une surface interne lisse et une surface externe profilée et le système, de Type B

La présente partie de l’EN 13476, conjointement avec l’EN 13476-1, spécifie les définitions et les exigences pour les tubes, les raccords et le système pour des systèmes de canalisations à parois structurées fabriqués à partir de poly(chlorure de vinyle) non plastifié (PVC U), polypropylène (PP) et polyéthylène (PE), destinés à être utilisés pour les systèmes de branchements et de collecteurs d'assainissement enterrés sans pression.
La présente partie s'applique aux tubes et raccords avec une surface interne lisse et une surface externe profilée, désignés de Type B.
Elle spécifie les méthodes d'essai et les paramètres d'essai ainsi que les exigences.
La présente partie s'applique aux :
a)   tubes et raccords à parois structurées, destinés à être utilisés enterrés à l'extérieur de la structure du bâtiment ; ce qui est reflété par le marquage des produits par « U » ;
b)   tubes et raccords à parois structurées, destinés à être utilisés enterrés, aussi bien à l'extérieur (code de la zone d’application « U ») qu’à l'intérieur de la structure des bâtiments (code de la zone d’application « D ») ; ce qui est reflété par le marquage des produits par « UD ».
La présente partie s'applique aux tubes et raccords à parois structurées avec ou sans emboîture intégrée qui comprennent des assemblages à bague d'étanchéité en élastomère ainsi que des assemblages soudés et les assemblages obtenus par fusion.
La présente partie couvre une gamme de dimensions de tubes et de raccords, de matières, de constructions de tube, de classes de rigidité, de classes d'application et de classes de tolérance et donne des recommandations concernant les couleurs.
NOTE   Il est de la responsabilité de l'acheteur ou du concepteur du réseau de faire les sélections appropriées à partir de ces aspects, en tenant compte des exigences particulières et des règles nationales et des pratiques ou codes de pose pertinents.

Cevni sistemi iz polimernih materialov za odvodnjavanje in kanalizacijo, ki delujejo po težnostnem principu in so položeni v zemljo - Cevni sistemi s strukturirano steno iz nemehčanega polivinilklorida (PVC-U), polipropilena (PP) in polietilena (PE) - 3. del: Specifikacije za cevi, fitinge z gladko notranjo in profilirano zunanjo površino in sistem, tip B

General Information

Status
Published
Publication Date
10-Aug-2020
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
14-Jul-2020
Due Date
18-Sep-2020
Completion Date
11-Aug-2020

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SLOVENSKI STANDARD
SIST EN 13476-3:2018+A1:2020
01-september-2020
Nadomešča:
SIST EN 13476-3:2018
Cevni sistemi iz polimernih materialov za odvodnjavanje in kanalizacijo, ki delujejo
po težnostnem principu in so položeni v zemljo - Cevni sistemi s strukturirano
steno iz nemehčanega polivinilklorida (PVC-U), polipropilena (PP) in polietilena
(PE) - 3. del: Specifikacije za cevi, fitinge z gladko notranjo in profilirano zunanjo
površino in sistem, tip B
Plastics piping systems for non-pressure underground drainage and sewerage -
Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U),
polypropylene (PP) and polyethylene (PE) - Part 3: Specifications for pipes and fittings
with smooth internal and profiled external surface and the system, Type B
Kunststoff-Rohrleitungssysteme für erdverlegte drucklose Abwasserkanäle und -
leitungen - Rohrleitungssysteme mit profilierter Wandung aus weichmacherfreiem
Polyvinylchlorid (PVC-U), Polypropylen (PP) und Polyethylen (PE) - Teil 3:
Anforderungen an Rohre und Formstücke mit glatter Innen- und profilierter Außenfläche
und an das Rohrleitungssystem, Typ B
Ta slovenski standard je istoveten z: EN 13476-3:2018+A1:2020
ICS:
23.040.05 Cevovodi za zunanje Pipeline and its parts for
sisteme za odpadno vodo in external sewage systems
njihovi deli
93.030 Zunanji sistemi za odpadno External sewage systems
vodo
SIST EN 13476-3:2018+A1:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 13476-3:2018+A1:2020

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SIST EN 13476-3:2018+A1:2020


EN 13476-3:2018+A1
EUROPEAN STANDARD

NORME EUROPÉENNE

June 2020
EUROPÄISCHE NORM
ICS 23.040.01; 93.030 Supersedes EN 13476-3:2018
English Version

Plastics piping systems for non-pressure underground
drainage and sewerage - Structured-wall piping systems of
unplasticized poly(vinyl chloride) (PVC-U), polypropylene
(PP) and polyethylene (PE) - Part 3: Specifications for
pipes and fittings with smooth internal and profiled
external surface and the system, Type B
Systèmes de canalisations en plastique pour les Kunststoff-Rohrleitungssysteme für erdverlegte
branchements et les collecteurs d'assainissements sans drucklose Abwasserkanäle und -leitungen -
pression enterrés - Systèmes de canalisations à parois Rohrleitungssysteme mit profilierter Wandung aus
structurées en poly(chlorure de vinyle) non plastifié weichmacherfreiem Polyvinylchlorid (PVC-U),
(PVC-U), polypropylène (PP) et polyéthylène (PE) - Polypropylen (PP) und Polyethylen (PE) - Teil 3:
Partie 3 : Spécifications pour les tubes et raccords avec Anforderungen an Rohre und Formstücke mit glatter
une surface interne lisse et une surface externe profilée Innen- und profilierter Außenfläche und an das
et le système, de Type B Rohrleitungssystem, Typ B
This European Standard was approved by CEN on 8 February 2018 and includes Amendment 1 approved by CEN on 12 February
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 13476-3:2018+A1:2020 E
worldwide for CEN national Members.

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
Contents Page
European foreword . 4
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions, symbols and abbreviations . 10
3.1 Terms and definitions . 10
3.2 Symbols . 10
3.3 Abbreviations . 10
4 Material . 11
4.1 General . 11
4.2 Unplasticized poly(vinyl chloride) (PVC-U) . 11
4.3 Polypropylene (PP) . 12
4.4 Polyethylene (PE) . 14
4.5 Sealing rings . 15
4.6 Fused or welded joints . 16
4.7 Adhesives for PVC-U . 16
5 Designation of wall constructions and examples of typical jointing methods . 16
5.1 Wall constructions designated as Type B . 16
5.2 Designation and design of joints . 18
6 Appearance and colour . 18
7 Geometrical characteristics . 19
7.1 General . 19
7.2 Dimensions . 19
7.3 Types of fittings . 25
7.4 Design length of fittings . 25
8 Physical characteristics . 25
8.1 Unplastisized poly(vinyl chloride) (PVC-U) . 25
8.2 Polypropylene (PP) . 27
8.3 Polyethylene (PE) . 28
9 Mechanical characteristics . 29
9.1 Mechanical characteristics of pipes. 29
9.2 Mechanical characteristics of fittings . 32
10 Performance requirements . 32
11 Marking . 34
11.1 General . 34
11.2 Minimum required marking . 34
11.3 Additional marking . 36
Annex A (normative) Compound / formulation PVC-U material . 37
Annex B (normative) Utilization of non-virgin PVC-U material . 38
B.1 Own reprocessed and recycled material from pipes and fittings . 38
2

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
B.2 External reprocessed and recycled materials with agreed specifications . 38
Annex C (normative) Compound / Formulation PP material . 40
Annex D (normative) Utilization of non-virgin PP material . 41
D.1 Own reprocessed material from pipes and fittings . 41
D.2 External reprocessed and recycled materials with an agreed specification . 41
Annex E (normative)  Compound / Formulation PE material . 43
Annex F (normative) Utilization of non-virgin PE material . 44
F.1 Own reprocessed material from pipes and fittings . 44
F.2 External reprocessed and recycled materials with an agreed specification . 44
F.3 External reprocessed and recycled material from PE rotational-moulded fittings and
other components . 44
Annex G (normative) Impact test at 23 °C . 46
Annex H (normative) Impact test at −10 °C . 47
Annex I (normative) Ring flexibility test at 20 % diametric deflection . 48
Annex J (informative) Survey of possible use of reprocessed and recycled material . 49
Annex K (normative) Impact test for large diameter pipes with structured wall . 50
K.1 Principle . 50
K.2 Apparatus . 50
K.3 Test samples . 51
K.4 Conditioning . 51
K.5 Procedure . 51
K.6 Test result . 52
Bibliography . 53

3

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
European foreword
This document (EN 13476-3:2018+A1:2020) has been prepared by Technical Committee CEN/TC 155
“Plastics piping systems and ducting systems”, the secretariat of which is held by NEN.
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 December 2020, and conflicting national standards
shall be withdrawn at the latest by December 2020.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN not be held responsible for identifying any or all such patent rights.
This document supersedes !EN 13476-3:2018".
This document includes Amendment 1 approved by CEN on 12 February 2020.
The start and finish of text introduced or altered by amendment is indicated in the text by tags !".
!The main changes in EN 13476-3:2018 with respect to the previous edition
EN 13476-3:2007+A1:2009 are listed below:"
a) deletion of hint to Amendment 1 in Foreword;
b) deletion of Note 2 in scope;
c) updating of references in Clause 2, Tables 2, 3, 4, 8, 9, 14, 16, 17 and I.1;
d) change denomination ‘material’ to ‘compound / formulation’ (entire document);
e) reference for PVC-U adhesives added (4.7);
f) clarification requirement ‘sealing rings’ (4.5);
g) range nominal sizes extended (7.2.3.1, Table 5);
h) text sequence changed: wall thickness of sockets (7.2.5.3.3);
i) alternative test method for DCM test added in Table 8;
j) footnote d added in Table 9;
k) short sockets added (7.2.4; 11.2.1; 11.2.2)
l) impact strength at 0 °C for large diameter pipes added (Table 14);
m) Annexes A, B, D, E, F, J redrafted:
n) d changed to d in Table G.1;
im min im max
o) impact test requirements for large diameter pipes added (Annex K);
p) deletion application of recyclate without agreed specification (Annex B, D, E, F and J);
4

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
q) updated with new CEN template (entire document).
This standard is a part of a System Standard for plastics piping systems of particular materials for a
specified application. There are a number of such System Standards.
System Standards are based on the results of the work being undertaken in ISO/TC 138 “Plastics pipes,
fittings and valves for the transport of fluids”, which is a Technical Committee of the International
Organization for Standardization (ISO).
They are supported by separate standards on test methods to which references are made throughout
the System Standard.
The System Standards are consistent with general standards on functional requirements and on
recommended practice for installation.
EN 13476 consists of the following Parts under the general title “Plastics piping systems for non-
pressure underground drainage and sewerage - Structured-wall piping systems of unplasticized
poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE)”:
— Part 1: General requirements and performance characteristics;
— Part 2: Specifications for pipes and fittings with smooth internal and external surface and the system,
Type A;
— Part 3: Specifications for pipes and fittings with smooth internal and profiled external surface and the
system, Type B (this standard);
— Part 4: Guidance for the assessment of conformity (CEN/TS).
National standards specifically for pipes and fittings for the transport of surface water are not
considered to be conflicting with this standard and may thus be allowed to coexist.
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.

5

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
Introduction
This European Standard provides optional choices for impact resistance (see Annex G, Annex H and
Annex K) and ring flexibility (see Annex I).
As appropriate, the individual countries may select between those options in their national forewords.
6

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
1 Scope
This part of EN 13476, together with EN 13476-1, specifies the definitions and requirements for pipes,
fittings and the system based on unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and
polyethylene (PE) structured-wall piping systems that are intended to be used for non-pressure
underground drainage and sewerage systems.
This part is applicable to pipes and fittings with smooth internal and profiled external surfaces,
designated as Type B.
It specifies test methods and test parameters as well as requirements.
This part is applicable to:
a) structured-wall pipes and fittings, which are intended to be used buried underground outside the
building structure, reflected in the marking of products by “U”;
b) structured-wall pipes and fittings, which are intended to be used buried underground both outside
(application area code “U”) and within the building structure (application area code “D”), reflected
in the marking of products by “UD”.
This part is applicable to structured-wall pipes and fittings with or without an integral socket with
elastomeric ring seal joints as well as welded and fused joints.
This part covers a range of pipe and fitting sizes, materials, pipe constructions, stiffness classes,
application classes, and tolerance classes and gives recommendations concerning colours.
NOTE It is the responsibility of the purchaser or specifier to make the appropriate selections from these
aspects, taking into account their particular requirements and any relevant national regulations and installation
practices or codes.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 476, General requirements for components used in drains and sewers
EN 681-1, Elastomeric seals — Materials requirements for pipe joint seals used in water and drainage
applications — Part 1: Vulcanized rubber
EN 681-2, Elastomeric Seals — Materials requirements for pipe joint seals used in water and drainage
applications — Part 2: Thermoplastic elastomers
EN 681-4, Elastomeric seals — Materials requirements for pipe joint seals used in water and drainage
applications — Part 4: Cast polyurethane sealing elements
EN 1401-1, Plastics piping systems for non-pressure underground drainage and sewerage — Unplasticized
poly(vinyl chloride) (PVC-U) — Part 1: Specifications for pipes, fittings and the system
EN 1852-1, Plastics piping systems for non-pressure underground drainage and sewerage —
Polypropylene (PP) — Part 1: Specifications for pipes, fittings and the system
EN 12099, Plastics piping systems — Polyethylene piping materials and components — Determination of
volatile content
7

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
EN 12666-1, Plastics piping systems for non-pressure underground drainage and sewerage —
Polyethylene (PE) — Part 1: Specifications for pipes, fittings and the system
EN 13476-1:2018, Plastics piping systems for non-pressure underground drainage and sewerage —
Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and
polyethylene (PE) — Part 1: General requirements and performance characteristics
EN 13476-2:2018, Plastics piping systems for non-pressure underground drainage and sewerage —
Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and
polyethylene (PE) — Part 2: Specifications for pipes and fittings with smooth internal and external surface
and the system, Type A
EN 14680, Adhesives for non-pressure thermoplastics piping systems — Specifications
EN 14758-1, Plastics piping systems for non-pressure underground drainage and sewerage —
Polypropylene with mineral modifiers (PP-MD) — Part 1: Specifications for pipes, fittings and the system
EN 15346:2014, Plastics — Recycled plastics — Characterization of poly(vinyl chloride) (PVC) recyclates
EN ISO 580, Plastics piping and ducting systems — Injection-moulded thermoplastics fittings — Methods
for visually assessing the effects of heating (ISO 580)
EN ISO 1133-1, Plastics — Determination of the melt mass-flow rate (MFR) and melt volume-flow rate
(MVR) of thermoplastics — Part 1: Standard method (ISO 1133-1)
EN ISO 1158, Plastics — Vinyl chloride homopolymers and copolymers — Determination of chlorine
content (ISO 1158)
EN ISO 1167-1, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids —
Determination of the resistance to internal pressure — Part 1: General method (ISO 1167-1)
EN ISO 1167-2, Thermoplastics pipes, fittings and assemblies for the conveyance of fluids —
Determination of the resistance to internal pressure — Part 2: Preparation of pipe test pieces (ISO 1167-2)
EN ISO 1183-1, Plastics — Methods for determining the density of non-cellular plastics — Part 1:
Immersion method, liquid pyknometer method and titration method (ISO 1183-1)
EN ISO 2507-1, Thermoplastics pipes and fittings — Vicat softening temperature — Part 1: General test
method (ISO 2507-1)
EN ISO 3126, Plastics piping systems — Plastics components — Determination of dimensions (ISO 3126)
EN ISO 3127, Thermoplastics pipes — Determination of resistance to external blows — Round-the-clock
method (ISO 3127)
EN ISO 3451-1, Plastics — Determination of ash — Part 1: General methods (ISO 3451-1)
EN ISO 6259-1, Thermoplastics pipes — Determination of tensile properties — Part 1: General test
method (ISO 6259-1)
EN ISO 9852, Unplasticized poly(vinyl chloride) (PVC-U) pipes — Dichloromethane resistance at specified
temperature (DCMT) — Test method (ISO 9852)
EN ISO 9967, Thermoplastics pipes — Determination of creep ratio (ISO 9967)
8

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
EN ISO 9969, Thermoplastics pipes — Determination of ring stiffness (ISO 9969)
EN ISO 11173, Thermoplastics pipes — Determination of resistance to external blows — Staircase method
(ISO 11173)
EN ISO 11357-6, Plastics — Differential scanning calorimetry (DSC) — Part 6: Determination of oxidation
induction time (isothermal OIT) and oxidation induction temperature (dynamic OIT) (ISO 11357-6)
EN ISO 13229, Thermoplastics piping systems for non-pressure applications — Unplasticized poly(vinyl
chloride) (PVC-U) pipes and fittings — Determination of the viscosity number and K-value (ISO 13229)
EN ISO 13254, Thermoplastics piping systems for non-pressure applications — Test method for
watertightness (ISO 13254)
EN ISO 13257:2017, Thermoplastics piping systems for non-pressure applications — Test method for
resistance to elevated temperature cycling (ISO 13257:2010)
EN ISO 13260, Thermoplastics piping systems for non-pressure underground drainage and sewerage —
Test method for resistance to combined temperature cycling and external loading (ISO 13260)
EN ISO 13262, Thermoplastics piping systems for non-pressure underground drainage and sewerage —
Thermoplastics spirally-formed structured-wall pipes — Determination of the tensile strength of a seam
(ISO 13262)
EN ISO 13263, Thermoplastics piping systems for non-pressure underground drainage and sewerage —
Thermoplastics fittings — Test method for impact strength (ISO 13263)
EN ISO 13264, Thermoplastics piping systems for non-pressure underground drainage and sewerage —
Thermoplastics fittings — Test method for mechanical strength or flexibility of fabricated fittings (ISO
13264)
EN ISO 13967, Thermoplastics fittings — Determination of ring stiffness (ISO 13967)
EN ISO 13968, Plastics piping and ducting systems — Thermoplastics pipes — Determination of ring
flexibility (ISO 13968)
ISO 6259-2, Thermoplastics pipes — Determination of tensile properties — Part 2: Pipes made of
unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly (vinyl chloride) (PVC-C) and high-impact poly
(vinyl chloride) (PVC-HI)
ISO 12091, Structured-wall thermoplastics pipes — Oven test
ISO 13259, Thermoplastics piping systems for underground non-pressure applications — Test method for
leaktightness of elastomeric sealing ring type joints
ISO 18373-1, Rigid PVC pipes — Differential scanning calorimetry (DSC) method — Part 1: Measurement
of the processing temperature
9

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
3 Terms, definitions, symbols and abbreviations
3.1 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 13476-1:2018 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/ob
3.2 Symbols
A length of engagement, or maximum pull-out whilst maintaining tightness
C length of the sealing zone
d outside diameter
e
dem mean outside diameter
d mean inside diameter
im
d nominal diameter
n
d minimum mean inside diameter of socket
sm,min
e wall thickness (at any point)
e construction height
c
e minimum wall thickness of pipe or spigot
min
e wall thickness at any point of the cylindrical part of a socket
2
e wall thickness at any point of a sealing ring groove of a socket
3
e wall thickness of the inside layer (waterway wall thickness)
4
e wall thickness of the inside layer under a hollow section
5
F distance from the end of a spigot to the effective sealing point
l effective length of a pipe
L minimum length of a spigot
1,min
S actual stiffness of the cylindrical part of the socket
so
S actual stiffness of the spigot
sp
IMP 23C impact resistance determined at +23 °C
impact resistance determined at −10 °C

3.3 Abbreviations
CaCO calcium carbonate
3
CT close tolerance
DN nominal size
DN/ID nominal size related to inside
diameter
10

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SIST EN 13476-3:2018+A1:2020
EN 13476-3:2018+A1:2020 (E)
DN/OD nominal size related to outside
diameter
H50 value for impact resistance of a pipe
MgCO magnesium carbonate
3
MFR melt mass-flow rate
Mg Si O (OH) magnesium silicate, talcum
3 4 10 2
OIT oxidation induction time
PE polyethylene
PP polypropylene
PP-MD mineral modified PP
PVC-U unplasticized poly(vinyl chloride)
RF ring flexibility performance
S pipe series S
SDR standard dimension ratio
SN ring stiffness class
TIR true impact rate
TPE thermoplastic elastomer
VST Vicat softening temperature
4 Material
4.1 General
The material shall be one of the following: unplasticized poly(vinyl chloride) (PVC-U), polypropylene
(PP) or polyethylene (PE), to which are added additives needed to faci
...

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