SIST-TS CEN/TS 12201-7:2004
(Main)Plastics piping systems for water supply - Polyethylene (PE) - Part 7: Guidance for the assessment of conformity
Plastics piping systems for water supply - Polyethylene (PE) - Part 7: Guidance for the assessment of conformity
This part of EN 12201 specifies procedures and requirements for the assessment of conformity to be included in the manufacturer's quality plan as part of his quality system for third party certification of conformity by a certification body accredited to EN 45011 or EN 45012, as applicable and includes: a) requirements for materials, components, joints and assemblies given in Parts 1 to 5 of EN 12201; b) requirements for the manufacturer's quality system given in EN ISO 9001 or EN ISO 9002, as applicable.
Kunststoff-Rohrleitungssysteme für die Wasserversorgung - Polyethylen (PE) - Teil 7 : Empfehlungen für die Beurteilung der Konformität
CEN/TS 12201-7 gibt Empfehlungen für die Beurteilung der Konformität, die als Teil des Qualitätssicherungs-systems im Qualitätssicherungsplan des Herstellers enthalten sein müssen.
Diese Technische Spezifikation enthält:
a) Anforderungen an Werkstoffe, Rohrleitungsteile sowie Verbindungen und Bauteilkombinationen, die in den Teilen 1 bis 5 der EN 12201 festgelegt sind;
b) Anforderungen an das Qualitätssicherungssystem des Herstellers;
ANMERKUNG 1 Es wird empfohlen, dass das Qualitätssicherungssystem EN ISO 9001[1] entspricht.
c) Definitionen und Verfahren im Falle der Zertifizierung durch unparteiische Dritte.
ANMERKUNG 2 Es wird empfohlen, die Zertifizierung durch eine unabhängige Zertifizierungsstelle durchführen zu lassen, die in Abhängigkeit der Anwendung nach EN 45011[2] oder EN 45012[3] zugelassen ist.
Zusammen mit den übrigen Teilen der EN 12201 (siehe Vorwort) gilt dieser Teil für Rohrleitungssysteme aus Polyethylen (PE), die für die Wasserversorgung für den menschlichen Gebrauch sowie für die Fortleitung von Rohwasser, das zur Aufbereitung von Trinkwasser verwendet wird, vorgesehen sind.
Systemes de canalisations en plastiques pour l'alimentation en eau - Polyéthylene (PE) - Partie 7: Guide pour l'évaluation de la conformité
La présente partie de l'EN 12201 donne un guide pour l'évaluation de la conformité a inclure dans le plan qualité du fabricant, en tant que partie de son systeme qualité.
La présente Spécification technique comprend :
a) les exigences pour les matieres, les composants et les assemblages, données dans les parties 1 a 5 de l'EN 12201 ;
b) les exigences pour le systeme qualité du fabricant ;
NOTE 1 Il est recommandé que le systeme qualité réponde a l'EN ISO 9001[1].
c) les définitions et les procédures a appliquer si une certification par tierce partie est prise en compte.
NOTE 2 Si une certification par tierce partie est prise en compte, il est recommandé que l'organisme de certification soit accrédité au sens de l'EN 45011[2] ou de l'EN 45012[3] selon le cas.
Conjointement avec les autres parties de l'EN 12201 (voir l'avant-propos), elle s'applique aux tubes, raccords et robinets en PE, leurs assemblages, et leurs assemblages avec des composants en d'autres matieres, destiné a l'alimentation en eau pour la consommation humaine, y compris le transport des eaux brutes avant traitement.
Cevni sistemi iz polimernih materialov za oskrbo z vodo - Polietilen (PE) - 7. del: Ugotavljanje skladnosti
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST-TS CEN/TS 12201-7:2004
01-maj-2004
Cevni sistemi iz polimernih materialov za oskrbo z vodo - Polietilen (PE) - 7. del:
Ugotavljanje skladnosti
Plastics piping systems for water supply - Polyethylene (PE) - Part 7: Guidance for the
assessment of conformity
Kunststoff-Rohrleitungssysteme für die Wasserversorgung - Polyethylen (PE) - Teil 7 :
Empfehlungen für die Beurteilung der Konformität
Systemes de canalisations en plastiques pour l'alimentation en eau - Polyéthylene (PE) -
Partie 7: Guide pour l'évaluation de la conformité
Ta slovenski standard je istoveten z: CEN/TS 12201-7:2003
ICS:
23.040.01 Deli cevovodov in cevovodi Pipeline components and
na splošno pipelines in general
91.140.60 Sistemi za oskrbo z vodo Water supply systems
SIST-TS CEN/TS 12201-7:2004 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TS CEN/TS 12201-7:2004
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SIST-TS CEN/TS 12201-7:2004
TECHNICAL SPECIFICATION
CEN/TS 12201-7
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
August 2003
ICS 23.040.20, 91.140.60
English version
Plastics piping systems for water supply - Polyethylene (PE) -
Part 7: Guidance for the assessment of conformity
Systèmes de canalisations en plastiques pour Kunststoff-Rohrleitungssysteme für die Wasserversorgung
l’alimentation en eau – Polyéthylène (PE) - Partie 7: Guide – Polyethylen (PE) – Teil 7 : Empfehlungen für die
pour l’évaluation de la conformité Beurteilung der Konformität
This Technical Specification (CEN/TS) was approved by CEN on 9 February 2003 for provisional application.
The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to submit their
comments, particularly on the question whether the CEN/TS can be converted into a European Standard.
CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS available. It
is permissible to keep conflicting national standards in force (in parallel to the CEN/TS) until the final decision about the possible
conversion of the CEN/TS into an EN is reached.
CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece,
Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Slovakia, 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
© 2003 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 12201-7:2003 E
worldwide for CEN national Members.
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Contents
Foreword.3
Introduction .4
1 Scope.5
2 Normative references.5
3 Terms, definitions, symbols and abbreviations.6
3.1 Terms and definitions.6
3.2 Abbreviations .8
4 Requirements .9
4.1 General .9
4.2 Effect on water quality.9
4.3 Testing and inspection .9
Annex A (normative) Change of PE compound .21
Annex B (normative) Change of design.24
Bibliography .25
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Foreword
This document CEN/TS 12201-7:2003 has been prepared by Technical Committee CEN /TC 155, "Plastics piping
systems and ducting systems", the secretariat of which is held by NEN.
This Technical Specification can be used to support the elaboration of national third party certification procedures
for products conforming to the applicable Parts of EN 12201.
This Technical Specification 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 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 standards on general functional requirements and standards on
recommended practice for installation.
EN 12201 consists of the following Parts, under the general title "Plastics piping systems for water supply —
Polyethylene (PE)".
— Part 1: General
— Part 2: Pipes
— Part 3: Fittings
— Part 4: Valves
— Part 5: Fitness for purpose of the system
— Part 7: Guidance for the assessment of conformity (this Technical Specification)
NOTE It was decided not to publish a Part 6: Recommended practice for installation. Instead, existing national installation
practices would be applicable.
This Part of EN 12201 includes the following:
— Annex A (Normative) Change of PE compound
— Annex B (Normative) Change of design
— Bibliography
System Standards for piping systems of other plastics materials used for the conveyance of water under pressure
include the following:
EN 1452, Plastics piping systems for water supply — Unplasticized poly(vinyl chloride) (PVC-U)
EN 1796, Plastics piping systems for water supply with or without pressure — Glass-reinforced thermosetting
plastics (GRP) based on unsaturated polyester resin (UP)
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to announce this CEN Technical Specification : Austria, Belgium, Czech Republic, Denmark,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway,
Portugal, Slovakia, Spain, Sweden, Switzerland and the United Kingdom.
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Introduction
The System Standard, of which this is Part 7, specifies the requirements for a piping system and its components
made from polyethylene (PE), intended to be used for water supply intended for human consumption including the
conveyance of raw water prior to treatment.
In respect of potential adverse effects on the quality of water intended for human consumption, caused by the
product covered by this Technical Specification:
1) This Technical Specification provides no information as to whether the product may be used without
restriction in any Member States of the EU or EFTA;
2) It should be noted that, while awaiting adoption of verifiable European criteria, existing national regulations
concerning the use and/or the characteristics of this product remain in force.
This Part of EN 12201 gives guidance for the procedures and requirements for the assessment of conformity of
materials, components, joints and assemblies and is intended to be used by certification bodies, inspection bodies,
testing laboratories and manufacturers.
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1 Scope
This Part of EN 12201 gives guidance for the assessment of conformity to be included in the manufacturer’s quality
plan as part of his quality system.
This Technical Specification includes:
a) requirements for materials, components, joints and assemblies given in Parts 1 to 5 of EN 12201;
b) requirements for the manufacturer's quality system;
[1]
NOTE 1 It is recommended that the quality system conforms to EN ISO 9001:2000
c) definitions and procedures to be applied if third party certification is involved.
[2]
NOTE 2 If third party certification is involved, it is recommended that the certification body is accredited to EN 45011 or
[3]
EN 45012 , as applicable.
In conjunction with one or more Parts of EN 12201 (see Foreword) it is applicable to polyethylene (PE) piping
systems intended to be used for water supply intended for human consumption including the conveyance of raw
water prior to treatment.
2 Normative references
This Technical Specification incorporates by dated or undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text, and the publications are listed hereafter. For
dated references, subsequent amendments to or revisions of any of these publications apply to this Technical
Specification only when incorporated in it by amendment or revision. For undated references the latest edition of
the publication referred to applies (including amendments).
EN 12201-1:2003, Plastics piping systems for water supply — Polyethylene (PE) — Part 1: General.
EN 12201-2:2003, Plastics piping systems for water supply — Polyethylene (PE) — Part 2: Pipes.
EN 12201-3:2003, Plastics piping systems for water supply — Polyethylene (PE) — Part 3: Fittings.
EN 12201-4:2001, Plastics piping systems for water supply — Polyethylene (PE) — Part 4: Valves.
EN 12201-5:2003, Plastics piping systems for water supply — Polyethylene (PE) — Part 5: Fitness for purpose of
the system.
EN ISO 6259-1:2001, Thermoplastics pipes Determination of tensile properties Part 1: General test method
(ISO 6259-1:1997).
EN ISO 12162:1995, Thermoplastics materials for pipes and fittings for pressure applications — Classification and
designation — Overall service (design) coefficient (ISO 12162:1995).
ISO 2859-1:1999, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by
acceptance quality limit (AQL) for lot-by-lot inspection.
ISO 3951:1989, Sampling procedures and charts for inspection by variables for percent nonconforming.
ISO 6259-3:1997, Thermoplastics pipes Determination of tensile properties Part 3: Polyolefin pipes.
ISO 13954:1997, Plastics pipes and fittings — Peel decohesion test for polyethylene (PE) electrofusion
assemblies of nominal outside diameter greater than or equal to 90 mm.
ISO 13955:1997, Plastics pipes and fittings — Crushing decohesion test for polyethylene (PE) electrofusion
assemblies.
ISO/DIS 13956:1996, Plastics pipes and fittings — Determination of cohesive strength — Tear test for
polyethylene (PE) assemblies.
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3 Terms, definitions, symbols and abbreviations
For the purposes of this Technical Specification the terms, definitions, symbols and abbreviations given in Part 1
and Part 3 to Part 5 of EN 12201, apply together with the following.
3.1 Terms and definitions
3.1.1
certification body
impartial body, governmental or non-governmental, possessing the necessary competence and responsibility to
carry out certification of conformity according to given rules of procedure and management
3.1.2
inspection body
impartial organisation or company, approved by a certification body as possessing the necessary competence to
verify and/or to carry out initial type testing, audit testing and inspection of the manufacturer's factory production
control in accordance with the relevant European Standard
3.1.3
testing laboratory
laboratory which measures, tests, calibrates or otherwise determines the characteristics of the performance of
materials and products
3.1.4
quality management system
organisational structure, responsibilities, procedures, processes and resources for implementing quality
[4]
management (see EN ISO 9000 )
3.1.5
quality management plan
document setting out the specific quality practices, resources and sequence of activities relevant to a particular
product or range of products
3.1.6
type testing (TT)
tests performed to prove that the material, component, joint or assembly is capable of conforming to the
requirements given in the relevant standard
3.1.7
preliminary type testing (PTT)
type testing carried out by, or on behalf of, the manufacturer
3.1.8
initial type testing (ITT)
type testing carried out by, or on behalf of, a certification body for certification purposes
3.1.9
batch release test (BRT)
test performed by the manufacturer on a batch of components, which has to be satisfactorily completed before that
batch can be released
3.1.10
process verification test (PVT)
test performed by the manufacturer on materials, components, joints or assemblies at specific intervals to confirm
that the process continues to be capable of producing components conforming to the requirements given in the
relevant standard
NOTE Such tests are not required to release batches of components and are carried out as a measure of process control.
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3.1.11
audit test (AT)
test performed by, or on behalf of a certification body to confirm that the material, component, joint or assembly
continues to conform to the requirements given in the standard and to provide information to assess the
effectiveness of the Quality System
3.1.12
indirect test (IT)
test performed by the manufacturer different from that specified for that particular characteristic, having verified its
correlation with the specified test
3.1.13
witness testing (WT)
testing accepted by a certification body for initial type testing and/or audit testing, which is carried out by, or on
behalf of, the manufacturer and supervised by a representative of the certification body, qualified in testing
3.1.14
material batch
clearly identifiable quantity of a particular material
3.1.15
compound batch
clearly identifiable quantity of a given homogeneous compound manufactured under uniform conditions. The
compound batch is defined and identified by the compound manufacturer
3.1.16
production batch
clearly identifiable collection of units, manufactured consecutively or continuously under the same conditions, using
material or compound conforming to the same specification
3.1.17
pipe batch
number of pipes, all of them the same nominal diameter and nominal wall thickness, extruded from the same
compound on the same machine. The pipe batch is defined and identified by the pipe manufacturer
3.1.18
fitting or valve batch
number of fittings or valves of the same type, identical dimensional characteristics, all the same nominal diameter
and wall thickness, from the same compound. The fitting or valve batch is defined and identified by the fitting or
valve manufacturer
3.1.19
lot
clearly identifiable sub-division of a batch for inspection purposes
3.1.20
sample
one or more units of product drawn from a batch or lot, selected at random without regard to quality
NOTE The number of units of product in the sample is the sample size.
3.1.21
acceptable quality level (AQL)
when a continuous series of lots or batches is considered, the quality level which for purpose of sampling
inspection is the limit of a satisfactory process average (see ISO 2859-1:1999 and ISO 3951:1989)
NOTE The designation of an AQL does not imply that a manufacturer has the right knowingly to supply any non-conforming.
3.1.22
inspection level
relationship between the lot or batch size and the sample size (see ISO 2859-1:1999)
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3.1.23
group
collection of similar components from which samples are selected for testing purposes
3.1.24
product type
pipe or an individual fitting or valve or their main parts, of the same design, from a particular compound
3.1.25
body type
valve body which can have different end connections
3.1.26
cavity
part of the injection mould which gives the form to the injection moulded product
3.2 Abbreviations
NOTE 1 For reasons of avoiding misunderstanding the following abbreviations are kept the same in each of the languages.
For the same reason the terms are given in the three languages.
NOTE 2 In the French language the abbreviation for "acceptable quality level (AQL)" is NQA, however for the purpose of this
Technical Specification for all three languages the same abbreviation (AQL) is used.
AQL en: acceptable quality level
fr: niveau de qualité acceptable
de: annehmbare Qualitätsgrenzlage
AT en: audit test
fr: essai d’audit
de: Überwachungsprüfung
BRT en: batch release test
fr: essai de libération de campagne de fabrication
de: Freigabeprüfung einer Charge
IT en: indirect test
fr: essai indirect
de: indirekte Prüfung
ITT en: initial type testing
fr: essais de type initiaux
de: Erst-Typprüfung
PTT en: preliminary type testing
fr: essais de type préliminaire
de: vorausgehende Typprüfung
PVT en: process verification test
fr: essai de vérification du procédé de fabrication
de: Prozessüberprüfung
TT en: type test
fr: essai de type
de: Typprüfung
WT en: witness testing
fr: essais témoin
de: Prüfung unter Aufsicht
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4 Requirements
4.1 General
4.1.1 Materials, components, joints and assemblies shall conform to the requirements in Parts 1 to 5 of
EN 12201, as applicable.
4.1.2 Components and/or assemblies shall be produced by the manufacturer under a quality system which
includes a quality plan.
4.2 Effect on water quality
Attention is drawn to the requirements of National regulations (see introduction).
4.3 Testing and inspection
4.3.1 Grouping
For purpose of this Technical Specification the following groups for pipes, fittings and valves given in Table 1 shall
apply.
Table 1 — Size groups for pipes, fittings and valves
Size group
12 3 4
Nominal outside diameter, d‡ 16 and < 75‡ 75 and < 250‡ 250 and < 710‡ 710
n
4.3.2 Type tests (TT)
4.3.2.1 General
Type tests shall demonstrate that products conform to all requirements for the characteristics in Tables 2 to 5 as
applicable.
In addition, relevant type tests shall be carried out whenever there is a change in design, in material and/or in the
production method, other than routine in-process adjustments, and to extensions of the product range.
In the case of change in PE compound as defined in A.2, relevant type tests required for re-evaluation given in A.3
shall apply.
For the extension of the product range for fittings and valves the relevant characteristics given in Tables 4 and 5
shall be tested. If applicable the test schedule shall be agreed between the certification body and the manufacturer.
4.3.2.2 Preliminary type testing (PTT)
The manufacturer shall demonstrate that the products conform to all requirements of the characteristics given in
Tables 3 to 5.
For the purpose of this Technical Specification the compound manufacturer shall demonstrate the conformity to all
requirements given in Table 2.
4.3.2.3 Initial type testing (ITT)
If third party certification is involved the certification body shall assess the conformity of a product to all
requirements for characteristics given in Tables 2 to 5.
In such case, the assessment shall be performed by validation or testing, using the sampling procedure in Tables 2
to 5 and grouping according to 4.3.1, in an approved testing laboratory or by witness testing.
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Preliminary type test data including long-term characteristics, supplied by the manufacturer and traceable to
material or compound and process, that have been validated by the certification body shall be taken into account
for initial type testing.
NOTE A manufacturer can choose to offer samples for ITT without having previously carried out PTT.
Table 2 — Characteristics that require type testing (TT) of the compound by the compound manufacturer
Characteristics Reference Minimum sampling frequency Number of Number of
a
to Part test pieces measurements
and per test piece
clause
Compound density 1 - 4.4 Once per compound 3 1
Carbon black content 1 - 4.4 Once per compound 3 1
Carbon black 1 - 4.4 Once per compound 1 6
dispersion
Pigment dispersion 1 - 4.4 Once per compound 1 6
Oxidation induction 1 - 4.4 Once per compound 3 1
time
Volatile content 1 - 4.4 Once per compound 1 1
b
Water content 1 - 4.4 Once per compound 1 1
Melt mass flow rate 1 - 4.4 Once per compound 3 1
Classification 1 - 4.6 Once per compound Shall conform to
(pipe d ‡ 32 mm selected from EN ISO 12162:1995
n
size group 1, see Table 1)
Slow crack growth 1 - 4.4 Once per compound 31
(pipe size 110 or 125 SDR 11)
c
Resistance to RCP 1 - 4.4 Once per compound (pipe size 11
250 SDR 11 or 500 SDR 11)
e e
Resistance to 1 – 4.4 Once per compound 3/3/5 1/1/1
d
weathering
f
Fusion compatibility 1 – 4.5 Once per compound 3 1
Effect on water quality 1 - 5 For effect on water quality national regulations are applicable
(see introduction)
a
The number of samples given in the table are the minimum. All samples shall pass the relevant tests.
b
Only applicable if the requirement for volatile content is not conformed to. In case of dispute the requirement
for water content shall apply.
c
To be taken into account for compounds intended to be used in the manufacture of pipes having a wall
thickness ‡ 32 mm . Assessment of RCP on compounds for fittings is not applicable.
d
Only for blue compounds. Samples for the OIT test shall be taken from the weathered surface, with the surface
prepared as for jointing. The diameter of the test piece should be included in the test report.
e
Respectively number of samples for OIT; samples for hydrostatic strength; and samples for elongation at
break, with one measurement on each sample.
f
For butt fusion pipe to pipe, both components from the same compound.
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Table 3 — Characteristics that require type testing (TT) of the pipe per compound by the pipe manufacturer
Characteristics Reference Sampling procedure Number of test Number of
a
to Part and piece(s) measurements
clause per test piece
Appearance and colour 2 - 5.1/5.2 Two diameters per size group 1 1
Geometrical 2 - 6 Two diameters per size group 1 1
b
Hydrostatic strength 2 - 7.2 Two diameters per size group 31
20 °C; 100 h‡
b
Hydrostatic strength 2 - 7.2 Two diameters per size group 31
c
80 °C; ‡ 1000 h
d
Elongation at break 2 - 8.2 Two diameters per size group see note d 1
e
Oxidation induction time 2 - 8.2 Once per size groups 2, 3 and 4 31
Melt mass flow rate 2 - 8.2 Once per size group 3 1
Marking 2 – 11 Once per size group 1 1
Fitness for purpose For preparation of assemblies, tests and frequency see EN 12201-5
a
The number of test piece(s) given in the table are the minimum. All test pieces shall pass the relevant tests.
b
If the product range covers more than one size group, samples shall comprise the smallest and largest diameters
manufactured plus a sample from each intermediate size group. The successful testing will validate all diameters
within the range tested. Successful testing on the lowest SDR pipe will validate pipes with the same OD having a
higher SDR i.e. thinner wall thickness. Where a manufacturer extends his production beyond his approval then
additional type testing shall be carried out.
c
Attention is drawn to the fact that the test requirements/parameters may be modified when revising this CEN/TS
when the results of work being undertaken in ISO/TC 138 or CEN/TC 155 are known.
d
The number of test pieces and the test piece shape shall conform to EN ISO 6259-1:2001 and ISO 6259-3:1997
respectively. The test pieces are taken from the circumference of one pipe sample.
e
Samples to be taken from the inner wall surface.
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Table 4 — Characteristics that require type testing (TT) of the fittings per compound by the fitting
manufacturer
Characteristics Reference Sampling procedure Change of PE compound Number of Number of
to part and test measurements
a
clause piece(s) per test piece
Appearance and 3 - 5.1/5.3 Once per size per One diameter / size group /11
colour product type per cavity product type / cavity
Geometrical 3 - 6 Once per size per One diameter / size group /11
product type per cavity product type / cavity
Hydrostatic strength 3 - 7.3 Once per size per One diameter / size group /31
20 °C; ‡ 100 h product type product type
Hydrostatic strength 3 - 7.3 Once per size per One diameter / size group /31
product type product type
80 °C; ‡ 1000 h
Impact resistance of 3 - 8.2 Once per size group One diameter / size group /11
tapping tees per product type product type
b
Leaktightness
a) under internal
pressure Once per size group
5 - 4.5 —1 1
b) under internal per product type
pressure subjected
to bending
Resistance to pull- 5 - 4.5 Once per size group —1 1
b
out per product type
Melt mass flow rate 3 - 8.2 Once per size group One diameter per size 31
group
Oxidation induction 3 - 8.2 Once per size group One diameter per size 31
time group
Marking 3-11 Once per size per 11
product type per cavity
Fitness for purpose For preparation of assemblies, tests and frequency see EN 12201-5
a
The number of test pieces given in the table is the minimum. All test pieces shall pass the relevant test(s). Where applicable,
test assemblies shall be prepared in accordance with EN 12201-5.
b
Tests are for mechanical fittings only.
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Table 5 — Characteristics that require type testing (TT) of valves per compound by the valve manufacturer
Characteristics Reference Sampling procedure Change of PE Number Number of
to Part compound of test measurements
a
and pieces per test piece
clause
Appearance and 4 - 5.1/5.3 Once per size per One diameter /size 11
colour product group group/product type
Geometrical 4 - 6 Once per size per One diameter /size 11
product type group/product type
Hydrostatic strength 4 - 7.3 Once per size per Two diameter /size 31
20 °C; ‡ 100 h product type group/product type
Hydrostatic strength 4 - 7.3 Once per size per Two diameter /size 31
b
80 °C; ‡ 1000 h product type group/product type
Leaktightness of seat 4 - 7.3 Once per body type — 1 1
and packing
Operating torque 4 - 7.3 Once per body type — 1 2
Stop resistance 4 - 7.3 Once per body type Once per body type 1 2
Leaktightness
a) under bending a) 4 - 7.3 a) Once per size group Once per size group / a) 1 a) 1
between supports per product type product type [for a) &
b) under loading b) 4 - 7.3 b) Once per size group b)] b) 1 b) 1
per product type
Actuation mechanism 4 - 7.3 Once per body type — 1 1
resistance
Leaktightness under 4 - 7.3 Once per size per Once per size group 11
and after bending product type per product type
applied to the
operating mechanism
Impact loading 4 - 7.3 Once per size per Once per body type 1 1
product type
Leaktightness and 4 - 7.3 Once per size per Once per body type 1 1
ease of operation after product type
long term internal
pressure loading
4 - 8 Once per size Once per size 3 1
Oxidation induction
b
time
b
Melt-mass flow rate 4 - 8 Once per size Once per size 3 1
Marking 4 - Once per size per— 1 1
10.1/10.2 product type
a
The number of test pieces given in the table are the minimum. All test pieces shall pass the relevant test(s). Where
applicable, test assemblies shall be prepared in accordance with EN 12201-5.
b
Only applicable to PE valve bodies.
4.3.3 Batch release tests (BRT)
Those characteristics specified in Parts 1 to 5 of EN 12201 and listed in Tables 6 to 9 shall be batch release tested
with the minimum sampling frequency as given in Tables 6 to 9.
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SIST-TS CEN/TS 12201-7:2004
CEN/TS 12201-7:2003 (E)
Table 6 — Characteristics and minimum sampling frequencies for BRT, for the compound by the
compound manufacturer
a
Characteristics Reference Minimum sampling Number of Number of
to Part and frequency
...
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