EN 12666-1:2005

SLOVENSKI STANDARD
01-april-2006
Cevni sistemi iz polimernih materialov za odpadno vodo in kanalizacijo, ki delujejo
po težnostnem principu in so položeni v zemljo - Polietilen (PE) – 1. del:
Specifikacije za cevi, fitinge in sistem
Plastics piping systems for non-pressure underground drainage and sewerage -
Polyethylene (PE) - Part 1: Specifications for pipes, fittings and the system
Kunststoff-Rohrleitungssysteme für erdverlegte Abwasserkanäle und -leitungen -
Polyethylen (PE) - Teil 1: Anforderungen an Rohre, Formstücke und das
Rohrleitungssystem
Systemes de canalisations en plastique pour les branchements et collecteurs
d'assainissement enterrés sans pression - Polyéthylene (PE) - Partie 1: Spécifications
pour les tubes, les raccords et le systeme
Ta slovenski standard je istoveten z: EN 12666-1:2005
ICS:
23.040.01 Deli cevovodov in cevovodi Pipeline components and
na splošno pipelines in general
91.140.80 Drenažni sistemi Drainage systems
93.030 Zunanji sistemi za odpadno External sewage systems
vodo
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 12666-1
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2005
ICS 23.040.01; 91.140.80; 93.030

English Version
Plastics piping systems for non-pressure underground drainage
and sewerage - Polyethylene (PE) - Part 1: Specifications for
pipes, fittings and the system
Systèmes de canalisations en plastique pour les Kunststoff-Rohrleitungssysteme für erdverlegte
branchements et collecteurs d'assainissement enterrés Abwasserkanäle und -leitungen - Polyethylen (PE) - Teil 1:
sans pression - Polyéthylène (PE) - Partie 1: Spécifications Anforderungen an Rohre, Formstücke und das
pour les tubes, les raccords et le système Rohrleitungssystem
This European Standard was approved by CEN on 24 November 2005.
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 Central Secretariat 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 Central Secretariat has the same status as the official
versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,
Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,
Slovenia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre: rue de Stassart, 36  B-1050 Brussels
© 2005 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12666-1:2005: E
worldwide for CEN national Members.

Contents Page
Foreword .3
1 Scope .4
2 Normative references.4

3 Terms, definitions, symbols and abbreviations.5
3.1 Terms and definitions.5
3.2 Symbols .7
3.3 Abbreviations .8
4 Material .8
4.1 Base material .8
4.2 Reprocessable and recyclable material.8
4.3 Melt mass-flow rate .9
4.4 Resistance to internal pressure (long-term behaviour) .9
4.5 Thermal stability (OIT).9
4.6 Fusion compatibility.9
4.7 Sealing ring retaining means.9
5 General requirements .10
5.1 Appearance.10
5.2 Colour .10
6 Geometrical characteristics .10
6.1 General .10
6.2 Dimensions of pipes.10
6.3 Dimensions of fittings .13
6.4 Dimensions of sockets and spigots .14
6.5 Types of fittings.19
7 Mechanical characteristics.22
7.1 Mechanical characteristics of pipes.22
7.2 Mechanical characteristics of fittings .23
8 Physical characteristics .23
8.1 Physical characteristics of pipes.23
8.2 Physical characteristics of fittings.24
9 Performance requirements.24
10 Sealing rings.25
11 Marking .25
11.1 General .25
11.2 Minimum required marking of pipes .26
11.3 Minimum required marking of fittings.26
11.4 Additional marking.27
Annex A (informative) General characteristics of PE pipes and fittings.28
Bibliography.30

Foreword
This European Standard (EN 12666-1:2005) 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 June 2006, and conflicting national standards shall be withdrawn at
the latest by December 2007.
This European Standard is a part of a system standard for plastics piping systems of a particular material for a
specified application. There are a number of such system standards.
System standards are based on the results of the work 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 12666 consists of the following parts, under the general title Plastics piping systems for non-pressure
underground drainage and sewerage - Polyethylene (PE)
 Part 1: Specifications for pipes, fittings and the system (this European Standard)
 Part 2: Guidance for the assessment of conformity (intended to be published as CEN/Technical
Specification)
 Part 3: Guidance for installation (intended to be published as CEN/Technical Specification)
For pipes and fittings which have conformed to the relevant national standard before June 2006, as shown by
the manufacturer or by a certification body, the national standard may continue to be applied until
June 2008.
NOTE The actual dates will be given in the final text of the standard.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic,
Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland
and United Kingdom.
1 Scope
This Part of EN 12666 specifies the requirements for pipes, fittings and the system of polyethylene (PE) piping
systems intended to be used for
 non-pressure underground drainage and sewerage outside the building structure (application area code
"U"), and
 non-pressure underground drainage and sewerage for both buried in the ground within the building
structure (application area code "D") and outside the building structure.
This is reflected in the marking of products by "U" and "UD".
It also specifies the test parameters for the test methods referred to in this European Standard.
This European Standard covers a range of nominal sizes, a range of pipe series/stiffness classes and gives
recommendations concerning colours.
NOTE 1 It is the responsibility of the purchaser or specifier to make the appropriate selection from these aspects,
taking into account their particular requirements and any relevant national regulations and installation practices or codes.
[1]
In conjunction with CEN/TS 12666-2 it is applicable to PE pipes and fittings, their joints and to joints with
components of other plastics and non-plastics materials intended to be used for buried piping systems for
non-pressure drainage and sewerage.
This European Standard is applicable to PE pipes with or without an integral socket.
The fittings can be manufactured by injection-moulding or be fabricated from pipes and/or mouldings.
This European Standard is applicable to PE pipes and fittings for the following types of joints:
 elastomeric ring seal joints;
 butt fused joints;
 electrofusion joints;
 mechanical joints.
NOTE 2 Requirements and limiting values for application area code "D" are given in Tables 3, 6 and Table 12.
NOTE 3 Pipes, fittings and other components conforming to any of the plastics product standards listed in the
bibliography may be used with pipes and fittings conforming to this European Standard, provided they conform to the
requirements for joint dimensions given in Clause 6 and to the requirements of Table 8 and Table 12.
2 Normative references
The following referenced documents are indispensable for the application of this European Standard. For
dated references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
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 728, Plastics piping and ducting systems — Polyolefin pipes and fittings — Determination of oxidation
induction time
EN 921:1994, Plastics piping systems — Thermoplastics pipes — Determination of resistance to internal
pressure at constant temperature
EN 1055:1996, Plastics piping systems — Thermoplastics piping systems for soil and waste discharge inside
buildi
...