Plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 7: Guidance for the assessment of conformity

This part of EN ISO 1452 gives guidance for the assessment of conformity of compounds/formulations, products, joints and assemblies in accordance with the applicable parts of EN ISO 1452 intended to be included in the manufacturer’s quality plan as part of the quality management system and for the establishment of certification procedures. NOTE 1 It is recommended that the quality management system conforms to or is no less stringent than the relevant requirements to EN ISO 9001 [1]. NOTE 2 If certification is involved, the certification body and inspection body is preferably compliant with EN ISO/IEC 17065 [5] or EN ISO/IEC 17021 [3], as applicable.
In conjunction with Parts 1 to 5 of EN ISO 1452 (see Foreword) this document is applicable to unplasticized poly(vinyl chloride) (PVC-U) plastics piping systems for water supply and for buried and above-ground drainage and sewerage under pressure.

Kunststoff-Rohrleitungssysteme für die Wasserversorgung und für erdverlegte und nicht erdverlegte Entwässerungs- und Abwasserdruckleitungen - Weichmacherfreies Polyvinylchlorid (PVC-U) - Teil 7: Empfehlungen für die Beurteilung der Konformität

Dieser Teil von EN ISO 1452 enthält Empfehlungen für die Beurteilung der Konformität von Form¬massen/
Zubereitungen, Erzeugnissen, Verbindungen und Bauteilkombinationen entsprechend der zutreffenden Teile der EN ISO 1452, die als Teil des Qualitäts¬management¬systems im Qualitäts¬sicherungs¬plan des Herstellers und für die Einführung von Verfahren der Drittstellenzertifizierung vorgesehen sind.
ANMERKUNG 1   Es wird empfohlen, dass das Qualitätsmanagementsystem EN ISO 9001 [1] oder mindestens ebenso strengen Anforderungen entspricht.
ANMERKUNG 2   Bei Drittstellenzertifizierung wird empfohlen, dass die Zertifizierungsstelle in Abhängigkeit von der Anwendung entsprechend EN 45011 [2], EN 45012 [3] oder EN ISO/IEC 17021 [4], zugelassen ist.
Dieses Dokument gilt in Verbindung mit den Teilen 1 bis 5 der EN ISO 1452 (siehe Vorwort) für Kunst¬stoff-Rohrleitungs¬systeme aus weichmacherfreiem Poly(vinylchlorid) (PVC-U) für die Wasserversorgung sowie für erdverlegte und nicht erdverlegte Entwässerungs- und Abwasserdruckleitungen.

Systèmes de canalisations en plastique pour l'alimentation en eau, pour branchements et collecteurs d'assainissement enterrés et aériens avec pression - Poly(chlorure de vinyle) non plastifié (PVC-U) - Partie 7: Guide pour l'évaluation de la conformité

La présente partie de l'EN ISO 1452 fournit un guide pour l'évaluation de la conformité des compositions/formulations, produits et montages en conformité avec les parties applicables de l'EN ISO 1452, destiné à être inclus dans le plan qualité du fabricant dans le cadre du système de management de la qualité et pour l’établissement de procédures de certification par tierce partie.
NOTE 1   Il est recommandé que le système de management de la qualité soit conforme aux exigences pertinentes de l'EN ISO 9001 [1] ou au moins aussi strict que ces exigences.
NOTE 2   En cas de certification par tierce partie, il est recommandé que l'organisme de certification soit accrédité selon l'EN 45011 [2], l'EN 45012 [3] ou l'EN ISO/CEI 17021 [4], suivant le cas.
Conjointement avec les parties 1 à 5 de l’EN ISO 1452 (voir l'Avant-propos), le présent document s'applique aux systèmes de canalisations en plastique poly(chlorure de vinyle) non plastifié (PVC-U) destinés à être utilisés pour l’alimentation en eau et pour les branchements et collecteurs d'assainissement enterrés et aériens avec pression.

Cevni sistemi iz polimernih materialov za oskrbo z vodo ter za podzemno in nadzemno odvodnjavanje in kanalizacijo - Nemehčan polivinilklorid (PVC-U) - 7. del: Navodilo za ugotavljanje skladnosti

General Information

Status
Published
Public Enquiry End Date
19-Feb-2012
Publication Date
05-Feb-2014
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
30-Jan-2014
Due Date
06-Apr-2014
Completion Date
06-Feb-2014

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SLOVENSKI STANDARD
SIST-TS CEN/TS 1452-7:2014
01-marec-2014
1DGRPHãþD
SIST ENV 1452-7:2001
SIST- TS CEN/TS 1456-2:2003
&HYQLVLVWHPLL]SROLPHUQLKPDWHULDORY]DRVNUER]YRGRWHU]DSRG]HPQRLQ
QDG]HPQRRGYRGQMDYDQMHLQNDQDOL]DFLMR1HPHKþDQSROLYLQLONORULG 39&8 
GHO1DYRGLOR]DXJRWDYOMDQMHVNODGQRVWL
Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 7: Guidance
for the assessment of conformity
Kunststoff-Rohrleitungssysteme für die Wasserversorgung und für erdverlegte und nicht
erdverlegte Entwässerungs- und Abwasserdruckleitungen - Weichmacherfreies
Polyvinylchlorid (PVC-U) - Teil 7: Empfehlungen für die Beurteilung der Konformität
Systèmes de canalisations en plastique pour l'alimentation en eau, pour branchements
et collecteurs d'assainissement enterrés et aériens avec pression - Poly(chlorure de
vinyle) non plastifié (PVC-U) - Partie 7: Guide pour l'évaluation de la conformité
Ta slovenski standard je istoveten z: CEN/TS 1452-7:2014
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
93.030 Zunanji sistemi za odpadno External sewage systems
vodo
SIST-TS CEN/TS 1452-7:2014 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CEN/TS 1452-7:2014

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SIST-TS CEN/TS 1452-7:2014

TECHNICAL SPECIFICATION
CEN/TS 1452-7

SPÉCIFICATION TECHNIQUE

TECHNISCHE SPEZIFIKATION
January 2014
ICS 91.140.60 Supersedes CEN/TS 1456-2:2003, ENV 1452-7:2000
English Version
Plastics piping systems for water supply and for buried and
above-ground drainage and sewerage under pressure -
Unplasticized poly(vinyl chloride) (PVC-U) - Part 7: Guidance for
the assessment of conformity
Systèmes de canalisations en plastique pour l'alimentation Kunststoff-Rohrleitungssysteme für die Wasserversorgung
en eau, pour branchements et collecteurs d'assainissement und für erdverlegte und nicht erdverlegte Entwässerungs-
enterrés et aériens avec pression - Poly(chlorure de vinyle) und Abwasserdruckleitungen - Weichmacherfreies
non plastifié (PVC-U) - Partie 7: Guide pour l'évaluation de Polyvinylchlorid (PVC-U) - Teil 7: Empfehlungen für die
la conformité Beurteilung der Konformität
This Technical Specification (CEN/TS) was approved by CEN on 9 December 2013 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
promptly at national level in an appropriate form. 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, 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, 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: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 1452-7:2014 E
worldwide for CEN national Members.

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CEN/TS 1452-7:2014 (E)
Contents Page
Foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Abbreviated terms . 9
5 General . 9
6 Testing and inspection . 9
6.1 Grouping . 9
6.1.1 General . 9
6.1.2 Size groups . 10
6.1.3 Fitting/valve groups . 10
6.2 Type tests (TTs) . 10
6.3 Batch release tests (BRTs) . 16
6.4 Process verification tests (PVTs) . 18
6.5 Audit tests (ATs) . 20
6.6 Indirect tests (ITs) . 23
6.7 Test records . 23
Annex A (informative) Basic test Matrix for PVC-U Water and Pressure Sewer piping components . 24
Bibliography . 26

2

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Foreword
This document (CEN/TS 1452-7:2014) has been prepared by Technical Committee CEN/TC 155 “Plastics
piping systems and ducting systems”, the secretariat of which is held by NEN.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
This document supersedes ENV 1452-7:2000, CEN/TS 1456-2:2003, which have been technically revised.
EN ISO 1452, Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure — Unplasticized poly(vinyl chloride) (PVC-U), consists of the following parts:
— Part 1: General
— Part 2: Pipes
— Part 3: Fittings
— Part 4: Valves
— Part 5: Fitness for purpose of the system
This part of EN ISO 1452 gives guidance for the assessment of conformity of compounds/formulations,
products, joints and assemblies in accordance with the applicable parts of EN ISO 1452 intended to be
included in the manufacturer’s quality plan as part of the quality management system and for the
establishment of certification procedures:
Part 7: Guidance for the assessment of conformity.
According to the CEN-CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to announce this Technical Specification: 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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the United Kingdom.
3

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Introduction
Figures 1 and 2 are intended to provide general information on the concept of testing and organization of
those tests used for the purpose of the assessment of conformity. For each type of tests (i.e. type testing (TT),
batch release test (BRT), process verification test (PVT) and audit test (AT), this part of EN ISO 1452 details
the applicable characteristics to be assessed as well as the frequency and sampling of testing.
A typical scheme for the assessment of conformity of compounds/formulations, pipes, fittings, valves, joints or
assemblies by manufacturers is given in Figure 1.

Figure 1 — Typical scheme for the assessment of conformity by a manufacturer
A typical scheme for the assessment of conformity of compounds/formulations, pipes, fittings, valves, joints or
assemblies by manufacturers, including a certification, is given in Figure 2.

Figure 2 — Typical scheme for the assessment of conformity by a manufacturer, including a
certification
4

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CEN/TS 1452-7:2014 (E)
1 Scope
This part of EN ISO 1452 gives guidance for the assessment of conformity of compounds/formulations,
products, joints and assemblies in accordance with the applicable parts of EN ISO 1452 intended to be
included in the manufacturer’s quality plan as part of the quality management system and for the
establishment of certification procedures.
NOTE 1 It is recommended that the quality management system conforms to or is no less stringent than the relevant
requirements to EN ISO 9001 [1].
NOTE 2 If certification is involved, the certification body and inspection body is preferably compliant with
EN ISO/IEC 17065 [5] or EN ISO/IEC 17021 [3], as applicable.
In conjunction with Parts 1 to 5 of EN ISO 1452 (see Foreword) this document is applicable to unplasticized
poly(vinyl chloride) (PVC-U) plastics piping systems for water supply and for buried and above-ground
drainage and sewerage under pressure.
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 ISO 1452-1:2009, Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 1: General (ISO 1452-1:2009)
EN ISO 1452-2:2009, Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 2: Pipes (ISO 1452-2:2009)
EN ISO 1452-3:2010, Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 3: Fittings (ISO 1452-3:2009,
corrected version 2010-03-01)
EN ISO 1452-4:2009, Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 4: Valves (ISO 1452-4:2009)
EN ISO 1452-5:2010, Plastics piping systems for water supply and for buried and above-ground drainage and
sewerage under pressure - Unplasticized poly(vinyl chloride) (PVC-U) - Part 5: Fitness for purpose of the
system (ISO 1452-5:2009, corrected version 2010-03-01)
3 Terms and definitions
For the purposes of this document, the following terms and definitions given in EN ISO 1452-1:2009,
EN ISO 1452-2:2009, EN ISO 1452-3:2010, EN ISO 1452-4:2009 and the following apply.
3.1
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
Note 1 to entry: A certification body is preferably compliant with EN ISO/IEC 17065 [5].
3.2
inspection body
body that performs inspection
Note 1 to entry: A body can be an organization or part of an organization.
5

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Note 2 to entry: An inspection body is preferably compliant with EN ISO/IEC 17020 [2].
3.3
testing laboratory
laboratory which measures, tests, calibrates or otherwise determines the characteristics of the performance of
materials and products
Note 1 to entry: In the context of this part of EN ISO 1452, the materials and products can be subject to type testing,
batch release testing, process verification testing, audit testing and witness testing, as applicable.
Note 2 to entry: A testing laboratory is preferably compliant with EN ISO/IEC 17025 [4].
3.4
quality management system
management system to direct and control an organization with regard to quality
Note 1 to entry: Requirements for quality management systems are given in EN ISO 9001 [1].
3.5
quality plan
document setting out the specific quality practices, resources and sequence of activities relevant to a
particular product or range of products
3.6
type test
TT
test performed to prove that the material, product, joint or assembly is capable of conforming to the
requirements given in the relevant standard
Note 1 to entry: The type test results remain valid until there is a change in the material or product or assembly,
provided that the process verification tests are done regularly.
3.7
batch release test
BRT
test performed by or on behalf of the manufacturer on a batch of formulation/compound or products, which
has to be satisfactorily completed before the batch can be released
3.8
process verification test
PVT
test performed by or on behalf of the manufacturer on formulation/compound or products or joints or
assemblies at specific intervals to confirm that type test originally performed on these formulation/compound
or products or joints or assemblies continue to be valid and that the process continues to be capable of
producing products which conform to the requirements given in the relevant standard
Note 1 to entry: Such tests are not required to release batches of formulation/compound or products and are carried
out as a measure of process control.
3.9
audit test
AT
test performed by a test laboratory on behalf of an inspection body or certification body to confirm that the
formulation/compound, product, joint or assembly continues to conform to the requirements given in the
relevant standard and to provide information to assess the effectiveness of the quality management system
6

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3.10
indirect test
IT
test performed by or on behalf of the manufacturer, different from that specified test for that particular
characteristic, having previously verified its correlation with the specified test
3.11
witness test
WT
test accepted by an inspection or a certification body for type testing and/or audit testing, which is carried out
by or on behalf of the manufacturer and supervised by a representative of the inspection or certification body,
qualified in testing
3.12
material
generic term for compositions (compounds/formulations) grouped by families, expressed by generic names,
e.g. polypropylene, stainless steel, brass or EPDM
Note 1 to entry: Definition from European Commission, Directorate-General for Enterprise and Industry, Sub-group on
Product Testing Procedures (EC, DG ENT and IND, SG PTP).
3.13
compound/formulation
clearly defined homogenous mixture of base polymer with additives, e.g. anti-oxidants, pigments, stabilizers
and others, at a dosage level necessary for the processing and the intended use of the final product
Note 1 to entry: In water and food contact regulations, the term “composition” is often used instead of compound or
formulation.
3.14
material batch
clearly identified quantity of a given homogeneous compound/formulation manufactured under uniform
conditions and defined and identified by the compound/formulation manufacturer
3.15
product
pipe, fitting, or valve of a clearly identified type intended to be a part of a piping system which the
manufacturer puts on the market
3.16
product batch
clearly identified collection of products, manufactured consecutively or continuously under the same
conditions, using the same compound/formulation conforming to the same specification
Note 1 to entry: The production batch is defined and identified by the product manufacturer.
3.17
lot
clearly identifiable sub-division of a batch for inspection purposes
3.18
sample
one or more products drawn from the same production batch or lot, selected at random without regard to their
quality
Note 1 to entry: The number of products in the sample is the sample size.
7

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3.19
group
collection of similar products from which samples are selected for testing purposes
3.20
component
part of a product manufactured out of a specific composition (compound/formulation), brought to the market as
part of another product or as a spare part
Note 1 to entry: For drinking water application, components may be considered as products and be individually
approved (e.g. o-ring, gasket) or they are tested as integral part of a finished product (e.g. in a valve).
3.21
joint
connection between two products
3.22
assembled product
assembled final product using two or more single parts
3.23
assembly
unit of two or more products assembled for testing purposes
3.24
sampling plan
specification of the type of sampling to be used combined with the operational specification of the entities or
increments to be taken, the samples to be constituted and the measurements to be made
EXAMPLE A specific plan which indicates the number of units of products or assemblies to be inspected.
3.25
product type
generic description of a product
EXAMPLE A pipe or fitting or valve or their main parts, of the same design, from a particular
compound/formulation.
3.26
body type
generic description of a body
EXAMPLE A valve body of a particular design, which can have different end connections.
3.27
cavity
(moulding) space within a mould to be filled to form the moulded product
EXAMPLE That part of an injection mould which gives the form to the injection-moulded product.
8

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4 Abbreviated terms
To avoid misunderstanding, the abbreviations in this clause are defined as being the same in each language.
For the same reason, the terms are given in the three languages, English, French and German.
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
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 test
fr : essai témoin
de : Prüfung unter Aufsicht
5 General
5.1 Materials, products, joints and assemblies shall conform to the requirements given in EN ISO 1452-1,
EN ISO 1452-2, EN ISO 1452-3, EN ISO 1452-4 or EN ISO 1452-5.
5.2 Products and assemblies shall be produced by the manufacturer under a quality management system
which includes a quality plan.
5.3 For products intended to be used for the supply of water for human consumption, attention is drawn to
the requirements of National regulations.
6 Testing and inspection
6.1 Grouping
6.1.1 General
For the purposes of this Technical Specification, the groups specified in 6.1.2 and 6.1.3 apply.
9

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6.1.2 Size groups
Four size groups are defined for pipes and fittings, as given in Table 1.
Table 1 — Size groups
Size group Nominal diameter, d
n
mm
1 d < 75
n
2 75 ≤ d < 250
n
3 250 ≤ d < 710
n
4 710 ≤ d ≤ 1 000
n
6.1.3 Fitting/valve groups
Four groups of fittings are defined, as given in Table 2.
For testing purposes, one individual fitting shall be selected from each group.
Table 2 — Fitting/valve groups
Fitting group Type of fitting
1 Bends
2 Elbows, tees
3 Other fittings (reducers, double sockets, end caps,
adapters, etc.)
4 Valves
6.2 Type tests (TTs)
Relevant type tests shall be carried out whenever there is a change in design, in compound/formulation and/or
in the production method, other than routine in-process adjustments, and/or whenever there is an extension of
the product range or change of production site.
NOTE Testing to be performed in case of change of production site depends on the complexity of the changes and
therefore should be defined by the manufacturer case by case.
Type tests shall demonstrate that products conform to all requirements for the characteristics given in Table 5
to Table 7, as applicable.
The dosage level of ingredients of a compound/formulation shall not exceed the tolerance bands given in
Table 3. If any level exceeds the dosage band or if a type is changed, this variation constitutes a change in
compound/formulation.
The values of the parts X added to 100 parts by mass of PVC shall be specified by the manufacturer in his
quality plan.
10

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Table 3 — Compound/formulation specification
Ingredients Characteristic/Type Band
PVC resin 100 parts K-value X1: ± 2
Stabilizers based on 1) Ca-Zn or
2) Sn or X2: ± 25 %
3) Others (OBS, Pb, etc.)
n
Total quantity of other CaCO , pigments,
3
x :±50%
additives lubricants, etc.
∑ i
3

If any level exceeds the dosage band or if a type of ingredient is changed, this variation constitutes a change
in compound/formulation and the relevant characteristics given in Table 5 to Table 7, column M, as applicable,
shall be retested. A change in the supplier of an ingredient or within a type of stabilizer does not necessarily
constitute a change in formulation. A change in the chemical nature of the stabilizer, e.g. from Pb to Sn, shall
constitute a change in compound/formulation (see EN ISO 1452-1:2009, 4.4.2 or 4.4.3 as applicable).
For the purpose of defining a change in design, the following aspects are relevant:
a) functional dimensions;
b) geometry of the functional parts of the product;
c) joint affected parts.
If one or more of these characteristics exceed the defined specifications, the relevant characteristics given in
Table 4 to Table 7, column D, as applicable, shall be retested. If third party certification is involved, retesting
shall be agreed between the certification body and the manufacturer.
For the extension of the production range, the relevant characteristics given in Table 5 to Table 7, column E,
as applicable, shall be retested. If third party certification is involved, retesting shall be agreed between the
certification body and the manufacturer.
Table 4 is applicable if the compound/formulation is produced by the raw material manufacturer and not by the
pipe, fitting or valve manufacturer.
11

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Table 4 — Characteristics of compound/formulation that require type testing (TT)
Conditions requiring
Sampling procedure
a
Reference to part, clause
test
Characteristic or subclause of
Certification
EN ISO 1452
N M Manufacturer
b
body
VCM – content of the resin 1–4.1 + + 1 sample per 1 sample per
c
compound/ compound/
formulation formulation
Requirement for 1–4.2
compounds/formulations for
See 5.3 of this document
components in contact with
drinking water
Classification and 1–4.4 + + Once per Once per
verification of materials compound/ compound/
formulation formulation
a
N : new compound/formulation;
M : change of compound/formulation (see Table 3);
+ : test to be carried out.
b
Recommended sampling procedure for a testing laboratory working on behalf of a certification body. Testing undertaken in a
manufacturer's laboratory shall be taken into account, provided prior acceptance by the certification body.
c
To be tested and documented by the resin manufacturer.
Table 5 — Characteristics of pipes that require type testing (TT)
Conditions requiring
a Sampling procedure
Reference to part,
test
Characteristic clause or subclause
Certification
of EN ISO 1452
N D M E Manufacturer
b
body
VCM – content of the 1–4.1 + − + − 1 sample per 1 sample per
c
resin compound/ compound/
formulation formulation
Requirement for 1–4.2
compounds/formulations
for components in See 5.3 of this document
contact with drinking
water
Density 2–4.2 + − + − 1 sample per 1 sample per
compound/ compound/
formulation formulation
Classification and 1–4.4 + − + − Once per Once per
verification of materials compound/ compound/
2–4.3 + − + −
d
MRS-Value formulation formulation
Sealing rings 2–10 + − + − Once per ring Once per
material ring material
Adhesives 2–11 + − + −
Once per Once per
adhesive adhesive
Appearance 2–5.1 + + + + 1 sample per 1 sample per
size per size group
Colour 2–5.2 + + + +
compound/ per
Geometrical 2–6, Table 1 to 5 + + + +
formulation compound/
characteristics
2–13, Table 10 + + + +
formulation
Marking
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SIST-TS CEN/TS 1452-7:2014
CEN/TS 1452-7:2014 (E)
Conditions requiring
Sampling procedure
a
Reference to part,
test
Characteristic clause or subclause
Certification
of EN ISO 1452
N D M E Manufacturer b
body
2–5.3 + − + −
Opacity of pipes 1 sample on 1 sample on
intended for the above thinnest wall thinnest wall
ground conveyance of thickness per thickness
water compound/ per
compound/
formulation
formulation
Impact strength 2–8.1, Table 6 + − + + 1 sample per 1 sample per
size per size group
compound/ per
formulation compound/
formulation
Resistance to internal 2–8.2, Table 7 + + + + 3 test pieces 1 test piece
pressure for pipe per size per per size

compound/ group per
1 h test
formulation compound/

formulation
Resistance to internal 2–8.2, Table 7 + + + + 3 test pieces 1 test piece
pressure for pipe of one per size
diameter per group per
1000 h test
size group compound/
per formulation
compound/
formulation
Resistance to internal 2–8.2, Table 8 + + + + 1 test piece 1 test piece
pressure for pipe with per size per per size
integral socket compound/ group per
formulation compound/
formulation
Vicat softening 2–9, Table 9 + − + − 1 sample per 1 sample per
temperature compound/ compound/
formulation formulation
Longitudinal reversion 2–9, Table 9 + − − + 1 sample per 1 sample per
size size group
Degree of gelation 2–9, Table 9 + − + +
1 sample per 1 sample per
size per size group
compound/ per
formulation compound/
formulation
a
N : new system;
D : change in design (incl. change of sealing ring);
M : change of compound/formulation;
E : extension of the product range (except the products already covered by the scheme of sampling procedure);
+ : test to be carried out.
b
Recommended sampling procedure for a testing laboratory working on behalf of a certification body. Testing undertaken in a
manufacturer's laboratory shall be taken into account, provided prior acceptance by the certification body.
c
To be tested and documented by the resin manufacturer.
d
Not to be carried out if already done by the raw material manufacturer.
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SIST-TS CEN/TS 1452-7:2014
CEN/TS 1452-7:2014 (E)
Table 6 — Characteristics of fittings and valves that require type testing (TT)
Conditions
Sampling procedure
Reference to part, a
requiring test
Characteristic clause or subclause of
Certification
EN ISO 1452
N D M E Manufacturer b
body
1 sample per 1 sample per
VCM – content
compound/ compound/
d 1–4.1 + − + −
of the resin
formulation formulation
Requirement for
compounds/formulations
for components in 1–4.2 See 5.3 of this document
contact with drinking
water
1 sample per 1 sample per
compound/ compound/
Density 3–4.2, 4–4.2 + − + −
formulation formulation
Classification and Once per Once per
1–4.4
verification of materials compound/ compound/
+ − + −
3–4.3, 4–4.3
f
MRS-Value formulation formu
...

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