Plastics piping systems for industrial applications - Polybutene (PB), polyethylene (PE), polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X), polypropylene (PP) - Metric series for specifications for components and the system (ISO 15494:2015)

ISO 15494:2015 specifies the characteristics and requirements for components such as pipes, fittings, and valves made from one of the following materials intended to be used for thermoplastics piping systems in the field of industrial applications above and below ground:
- polybutene (PB);
- polyethylene (PE);
- polyethylene of raised temperature resistance (PE-RT);
- crosslinked polyethylene (PE-X);
- polypropylene (PP).
NOTE 1 Requirements for industrial valves are given in this International Standard and/or in other standards. Valves are to be used with components conforming to this International Standard provided that they conform additionally to the relevant requirements of this International Standard.
This International Standard is applicable to either PB, PE, PE-RT, PE-X, or PP pipes, fittings, valves, and their joints and to joints with components of other plastics and non-plastic materials, depending on their suitability, intended to be used for the conveyance of liquid and gaseous fluids as well as solid matter in fluids for industrial applications such as the following:
- chemical plants;
- industrial sewerage engineering;
- power engineering (cooling and general purpose water);
- mining;
- electroplating and pickling plants;
- semiconductor industry;
- agricultural production plants;
- fire fighting;
- water treatment;
- geothermal.
NOTE 2 Where relevant, national regulations (e.g. water treatment) are applicable.
Other application areas are permitted if the requirements of this International Standard and/or applicable national requirements are fulfilled.
National regulations in respect of fire behaviour and explosion risk are applicable.
The components have to withstand the mechanical, thermal, and chemical demands to be expected and have to be resistant to the fluids to be conveyed.

Kunststoff-Rohrleitungssysteme für industrielle Anwendungen - Polybuten (PB), Polyethylen (PE), Polyethylen erhöhter Temperaturbeständigkeit (PE-RT), vernetztes Polyethylen (PE-X), Polypropylen (PP) - Metrische Reihen für Anforderungen an Rohrleitungsteile und das Rohrleitungssystem (ISO 15494:2015)

Der Text von ISO 15494:2015 wurde vom Technischen Komitee ISO/TC 138 „Plastics pipes, fittings and valves for the transport of fluids“ der Internationalen Organisation für Normung (ISO) erarbeitet und als EN ISO 15494:2018 durch das Technische Komitee CEN/TC 155 „Kunststoff-Rohrleitungssysteme und Schutzrohrsysteme“ übernommen, dessen Sekretariat von NEN gehalten wird.
Diese Europäische Norm muss den Status einer nationalen Norm erhalten, entweder durch Veröffentlichung eines identischen Textes oder durch Anerkennung bis April 2019, und etwaige entgegenstehende nationale Normen müssen bis April 2019 zurückgezogen werden.

Systèmes de canalisations en matières plastiques pour les applications industrielles - Polybutène (PB), polyéthylène (PE), polyéthylène de meilleure résistance à la température (PE-RT), polyéthylène réticulé (PE-X), polypropylène (PP) - Séries métriques pour les spécifications pour les composants et le système (ISO 15494:2015)

ISO 15494:2015 spécifie les caractéristiques et les exigences des composants tels que les tubes, les raccords et les robinets fabriqués à partir d'un des matériaux suivants et destinés à être utilisés dans les systèmes de canalisations en matières thermoplastiques dans le cadre d'applications industrielles aériennes et dans le sol:
-      polybutène (PB);
-      polyéthylène (PE);
-      polyéthylène de meilleure résistance à la température (PE-RT);
-      polyéthylène réticulé (PE-X);
-      polypropylène (PP).
NOTE 1       Les exigences relatives aux appareils de robinetterie industrielle sont spécifiées dans la présente Norme internationale et/ou dans d'autres normes. Des appareils de robinetterie peuvent être utilisés avec des composants conformes à la présente Norme internationale à condition qu'ils soient également conformes aux exigences pertinentes de la présente Norme internationale.
La présente Norme internationale s'applique aux tubes, raccords et robinets en PB, PE, PE-RT, PE‑X ou PP, et à leurs assemblages et aux assemblages avec d'autres composants en d'autres matières, plastiques ou en matières non plastiques, en fonction de leur aptitude, destinés à être utilisés pour le transport de fluides liquides ou gazeux ainsi que de matériaux solides dans les fluides pour des applications industrielles telles que les suivantes:
-      usines chimiques;
-      techniques des eaux usées résiduaires;
-      techniques énergétiques (eau de refroidissement et eau d'usage général);
-      exploitation minière;
-      installations de galvanisation et de décapage chimique;
-      industrie des semi-conducteurs;
-      usines de produits agricoles;
-      lutte contre l'incendie;
-      traitement de l'eau;
-      géothermie.
NOTE 2      Lorsqu'elles sont pertinentes, les réglementations nationales s'appliquent (par exemple, traitement de l'eau).
D'autres domaines d'application sont autorisés à condition que les exigences de la présente Norme internationale et/ou des exigences nationales applicables soient satisfaites.
Les réglementations nationales relatives au comportement au feu et au risque d'explosion s'appliquent.
Les composants doivent résister aux sollicitations mécaniques, thermiques et chimiques qui sont attendues et doivent être résistants aux fluides à transporter.

Cevni sistemi iz polimernih materialov za uporabo v industriji - Polibuten (PB), polietilen (PE), polietilen s povišano temperaturno odpornostjo (PE-RT), zamreženi polietilen (PE-X), polipropilen (PP) - Metrične serije za zahteve za dele cevovoda in cevni sistem (ISO 15494:2015)

Standard ISO 15494:2015 določa karakteristike in zahteve za dele cevovoda, kot so cevi, fitingi in ventili iz naslednjih materialov, ki so namenjeni uporabi za plastomerne cevne sisteme za nadzemno in podzemno uporabo v industriji:
– polibuten (PB);
– polietilen (PE);
– polietilen s povišano temperaturno odpornostjo (PE-RT);
– zamreženi polietilen (PE-X);
– polipropilen (PP).
OPOMBA 1: Zahteve za industrijske ventile so podane v tem mednarodnem standardu in/ali v drugih standardih. Ventili se uporabljajo z deli, ki ustrezajo temu mednarodnemu standardu, v kolikor ustrezajo tudi relevantnim zahtevam tega mednarodnega standarda.
Ta mednarodni standard se uporablja za cevi, fitinge in ventile iz polibutena, polietilena, polietilena s povišano temperaturno odpornostjo, zamreženega polietilena ali polipropilena ter njihove spoje ali spoje z deli iz drugih polimernih in nepolimernih materialov, odvisno od ustreznosti, ki so namenjeni za prevajanje tekočine in plinastih tekočin ter trdne snovi v tekočinah za uporabo v industriji, kar vključuje:
– kemične tovarne;
– industrijsko kanalizacijsko inženirstvo;
– energetsko inženirstvo (voda za hlajenje in splošne namene);
– rudarstvo;
– obrate za galvaniziranje in luženje;
– polprevodniško industrijo;
– kmetijske proizvodne obrate;
– gasilsko industrijo;
– obrate za čiščenje vode;
– geotermalno industrijo.
OPOMBA 2: Kjer je primerno, se uporabljajo nacionalni predpisi (npr. obrati za čiščenje vode).
Druga področja uporabe so dopustna, če so izpolnjene zahteve tega mednarodnega standarda in/ali ustrezne nacionalne zahteve.
Uporabljajo se nacionalni predpisi v povezavi s tveganjem pri obnašanju ognja in eksplozijah.
Deli cevovoda morajo prenesti pričakovane mehanske, toplotne in kemijske zahteve ter biti odporni proti tekočinam, ki se bodo prevajale.

General Information

Status
Published
Public Enquiry End Date
14-Jan-2018
Publication Date
12-Nov-2018
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
05-Nov-2018
Due Date
10-Jan-2019
Completion Date
13-Nov-2018

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SLOVENSKI STANDARD
SIST EN ISO 15494:2018
01-december-2018
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Plastics piping systems for industrial applications - Polybutene (PB), polyethylene (PE),

polyethylene of raised temperature resistance (PE-RT), crosslinked polyethylene (PE-X),

polypropylene (PP) - Metric series for specifications for components and the system (ISO

15494:2015)
Kunststoff-Rohrleitungssysteme für industrielle Anwendungen - Polybuten (PB),

Polyethylen (PE), Polyethylen erhöhter Temperaturbeständigkeit (PE-RT), vernetztes

Polyethylen (PE-X), Polypropylen (PP) - Metrische Reihen für Anforderungen an
Rohrleitungsteile und das Rohrleitungssystem (ISO 15494:2015)

Systèmes de canalisations en matières plastiques pour les applications industrielles -

Polybutène (PB), polyéthylène (PE), polyéthylène de meilleure résistance à la
température (PE-RT), polyéthylène réticulé (PE-X), polypropylène (PP) - Séries

métriques pour les spécifications pour les composants et le système (ISO 15494:2015)

Ta slovenski standard je istoveten z: EN ISO 15494:2018
ICS:
23.040.01 Deli cevovodov in cevovodi Pipeline components and
na splošno pipelines in general
SIST EN ISO 15494:2018 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN ISO 15494:2018
---------------------- Page: 2 ----------------------
SIST EN ISO 15494:2018
EN ISO 15494
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2018
EUROPÄISCHE NORM
ICS 23.040.01
English Version
Plastics piping systems for industrial applications -
Polybutene (PB), polyethylene (PE), polyethylene of raised
temperature resistance (PE-RT), crosslinked polyethylene
(PE-X), polypropylene (PP) - Metric series for
specifications for components and the system (ISO
15494:2015)

Systèmes de canalisations en matières plastiques pour Kunststoff-Rohrleitungssysteme für industrielle

les applications industrielles - Polybutène (PB), Anwendungen - Polybuten (PB), Polyethylen (PE),

polyéthylène (PE), polyéthylène de meilleure Polyethylen erhöhter Temperaturbeständigkeit (PE-

résistance à la température (PE-RT), polyéthylène RT), vernetztes Polyethylen (PE-X), Polypropylen (PP)

réticulé (PE-X), polypropylène (PP) - Séries métriques - Metrische Reihen für Anforderungen an

pour les spécifications pour les composants et le Rohrleitungsteile und das Rohrleitungssystem (ISO

système (ISO 15494:2015) 15494:2015)
This European Standard was approved by CEN on 19 February 2018.

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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, 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

© 2018 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 15494:2018 E

worldwide for CEN national Members.
---------------------- Page: 3 ----------------------
SIST EN ISO 15494:2018
EN ISO 15494:2018 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

---------------------- Page: 4 ----------------------
SIST EN ISO 15494:2018
EN ISO 15494:2018 (E)
European foreword

The text of ISO 15494:2015 has been prepared by Technical Committee ISO/TC 138 "Plastics pipes,

fittings and valves for the transport of fluids” of the International Organization for Standardization

(ISO) and has been taken over as EN ISO 15494:2018 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 April 2019, and conflicting national standards shall be

withdrawn at the latest by April 2019.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 15494:2015.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association, and supports essential requirements of EU Directive(s).

For the relationship with EU Directive(s) see informative Annex ZA, which is an integral part of this

document.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: 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, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Turkey and the United Kingdom.
Endorsement notice

The text of ISO 15494:2015 has been approved by CEN as EN ISO 15494:2018 without any modification.

---------------------- Page: 5 ----------------------
SIST EN ISO 15494:2018
EN ISO 15494:2018 (E)
Annex ZA
(informative)
Relationship between this European Standard and the essential
requirements of Directive 2014/68/EU for pressure equipment aimed to be
covered

This European Standard has been prepared under a Commission’s standardization request to provide

one voluntary means of conforming to essential requirements of Directive 2014/68/EU of the European

Parliament and of the Council of 15 May 2014 on the harmonisation of the laws of the Member States

relating to the making available on the market of pressure equipment.

Once this standard is cited in the Official Journal of the European Union under that Directive,

compliance with the normative clauses of this standard given in Table ZA.1 confers, within the limits of

the scope of this standard, a presumption of conformity with the corresponding essential requirements

of that Directive, and associated EFTA regulations.
Table ZA.1 — Correspondence between this European Standard and Annex I of the
Directive 2014/68/EU
Essential Requirements of Clause(s)/sub-clause(s) of
Remarks/Notes
Directive 2014/68/EU this EN
2.2.1 A.1, B.1, C.1, D.1, E.1 Design for adequate strength
2.6 10.1 Corrosion protection
3.1.2 12 Permanent joining
8.2.1, 8.2.2, 8.2.3 A.4.1/2,
3.2.2 and 7.4 B.4.1/2, C.4.1/2, D.4.1/2, Proof testing
E.4.1/2 A.6, B.6, C.6, D.6, E.6
3.3 16 Marking
4.1.a), 4.1.c) 5.2, A.1, B.1, C.1, D.1, E.1 Materials properties

WARNING 1 — Presumption of conformity stays valid only as long as a reference to this European

Standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2 — Other Union legislation may be applicable to the product(s) falling within the scope of

this standard.
---------------------- Page: 6 ----------------------
SIST EN ISO 15494:2018
INTERNATIONAL ISO
STANDARD 15494
Second edition
2015-10-01
Plastics piping systems for industrial
applications — Polybutene (PB),
polyethylene (PE), polyethylene of
raised temperature resistance (PE-
RT), crosslinked polyethylene (PE-X),
polypropylene (PP) — Metric series
for specifications for components
and the system
Systèmes de canalisations en matières plastiques pour les applications
industrielles — Polybutène (PB), polyéthylène (PE), polyéthylène de
meilleure résistance à la température (PE-RT), polyéthylène réticulé
(PE-X), polypropylène (PP) — Séries métriques pour les spécifications
pour les composants et le système
Reference number
ISO 15494:2015(E)
ISO 2015
---------------------- Page: 7 ----------------------
SIST EN ISO 15494:2018
ISO 15494:2015(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2015, Published in Switzerland

All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form

or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior

written permission. Permission can be requested from either ISO at the address below or ISO’s member body in the country of

the requester.
ISO copyright office
Ch. de Blandonnet 8 • CP 401
CH-1214 Vernier, Geneva, Switzerland
Tel. +41 22 749 01 11
Fax +41 22 749 09 47
copyright@iso.org
www.iso.org
ii © ISO 2015 – All rights reserved
---------------------- Page: 8 ----------------------
SIST EN ISO 15494:2018
ISO 15494:2015(E)
Contents Page

Foreword ..........................................................................................................................................................................................................................................v

Introduction ................................................................................................................................................................................................................................vi

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 2

3 Terms and definitions ..................................................................................................................................................................................... 4

3.1 Geometrical definitions ................................................................................................................................................................... 4

3.2 Material definitions ............................................................................................................................................................................. 5

3.3 Definitions related to material characteristics ............................................................................................................ 6

3.4 Definitions related to service conditions ......................................................................................................................... 6

4 Symbols and abbreviated terms ........................................................................................................................................................... 7

4.1 Symbols ......................................................................................................................................................................................................... 7

4.2 Abbreviated terms ............................................................................................................................................................................... 8

5 Material .......................................................................................................................................................................................................................... 9

5.1 General ........................................................................................................................................................................................................... 9

5.2 Hydrostatic strength properties .............................................................................................................................................. 9

5.3 Material characteristics ................................................................................................................................................................... 9

5.4 Reprocessable and recyclable material ............................................................................................................................. 9

5.5 Materials for components not made from PB, PE, PE-RT, PE-X, or PP ..................................................... 9

5.5.1 General...................................................................................................................................................................................... 9

5.5.2 Metallic materials .........................................................................................................................................................10

5.5.3 Sealing materials ...........................................................................................................................................................10

5.5.4 Other materials ..............................................................................................................................................................10

6 General characteristics ...............................................................................................................................................................................10

6.1 Appearance .............................................................................................................................................................................................10

6.2 Colour ...........................................................................................................................................................................................................10

6.3 Influence of UV radiation ............................................................................................................................................................10

7 Geometrical characteristics ...................................................................................................................................................................10

7.1 General ........................................................................................................................................................................................................10

7.2 Mean outside diameters, out-of-roundness (ovality), and tolerances .................................................11

7.3 Wall thicknesses and related tolerances ........................................................................................................................11

7.4 Angles ...........................................................................................................................................................................................................11

7.5 Laying lengths .......................................................................................................................................................................................11

7.6 Threads .......................................................................................................................................................................................................11

7.7 Mechanical fittings ............................................................................................................................................................................11

7.8 Joint dimensions of valves ..........................................................................................................................................................11

8 Mechanical characteristics .....................................................................................................................................................................11

8.1 Resistance to internal pressure of components ......................................................................................................11

8.2 Calculation of the test pressure for components ....................................................................................................12

8.2.1 Pipes ........................................................................................................................................................................................12

8.2.2 Fittings ...................................................................................................................................................................................12

8.2.3 Valves ......................................................................................................................................................................................12

8.2.4 Resistance to rapid crack propagation, RCP ..........................................................................................12

9 Physical characteristics ..............................................................................................................................................................................12

10 Chemical characteristics ...........................................................................................................................................................................13

10.1 Effects on the component material(s) .............................................................................................................................13

10.2 Effects on the fluids ..........................................................................................................................................................................13

11 Electrical characteristics ...........................................................................................................................................................................13

12 Performance requirements ....................................................................................................................................................................13

12.1 General ........................................................................................................................................................................................................13

© ISO 2015 – All rights reserved iii
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SIST EN ISO 15494:2018
ISO 15494:2015(E)

12.2 Fusion compatibility .......................................................................................................................................................................13

13 Classification of components ................................................................................................................................................................13

14 Design and installation ...............................................................................................................................................................................14

15 Declaration of conformity ........................................................................................................................................................................14

16 Marking .......................................................................................................................................................................................................................14

16.1 General ........................................................................................................................................................................................................14

16.2 Minimum required marking of pipes ................................................................................................................................14

16.3 Minimum required marking of fittings ...........................................................................................................................15

16.4 Minimum required marking of valves ..............................................................................................................................15

Annex A (normative) Specific characteristics and requirements for industrial piping

systems made from polybutene (PB) ...........................................................................................................................................16

Annex B (normative) Specific characteristics and requirements for industrial piping

systems made from polyethylene (PE) .......................................................................................................................................29

Annex C (normative) Specific characteristics and requirements for industrial piping

systems made from polyethylene of raised temperature resistance (PE-RT) ...................................56

Annex D (normative) Specific characteristics and requirements for industrial piping

systems made from crosslinked polyethylene (PE-X) .................................................................................................63

Annex E (normative) Specific characteristics and requirements for industrial piping

systems made from polypropylene (PP) ...................................................................................................................................73

Annex F (informative) Design and installation .......................................................................................................................................99

Bibliography .........................................................................................................................................................................................................................100

iv © ISO 2015 – All rights reserved
---------------------- Page: 10 ----------------------
SIST EN ISO 15494:2018
ISO 15494:2015(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www.iso.org/directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www.iso.org/patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the meaning of ISO specific terms and expressions related to conformity

assessment, as well as information about ISO’s adherence to the WTO principles in the Technical

Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information.

The committee responsible for this document is Technical Committee ISO/TC 138, Plastics piping

systems, Subcommittee SC 3, Plastics pipes and fittings for industrial applications.

This second edition cancels and replaces the first edition (ISO 15494:2003), which has been

technically revised.
© ISO 2015 – All rights reserved v
---------------------- Page: 11 ----------------------
SIST EN ISO 15494:2018
ISO 15494:2015(E)
Introduction

This International Standard specifies the characteristics and requirements for a piping system and

its components made from polybutene (PB), polyethylene (PE), polyethylene of raised temperature

resistance (PE-RT), crosslinked polyethylene (PE-X), or polypropylene (PP), as applicable, intended

to be used for industrial applications above ground or below ground by authorities, design engineers,

certification bodies, inspection bodies, testing laboratories, manufacturers, and users.

At the date of publication of this International Standard, standards for piping systems of other plastics

used for industrial applications are the following:

ISO 10931, Plastics piping systems for industrial applications — Poly(vinylidene fluoride) (PVDF) —

Specifications for components and the system

ISO 15493, Plastics piping systems for industrial applications — Acrylonitrile-butadiene-styrene (ABS),

unplasticized poly(vinyl chloride) (PVC-U), chlorinated poly(vinyl chloride) (PVC-C) — Specifications for

components and the system — Metric series
vi © ISO 2015 – All rights reserved
---------------------- Page: 12 ----------------------
SIST EN ISO 15494:2018
INTERNATIONAL STANDARD ISO 15494:2015(E)
Plastics piping systems for industrial applications —
Polybutene (PB), polyethylene (PE), polyethylene of
raised temperature resistance (PE-RT), crosslinked
polyethylene (PE-X), polypropylene (PP) — Metric series
for specifications for components and the system
1 Scope

This International Standard specifies the characteristics and requirements for components such

as pipes, fittings, and valves made from one of the following materials intended to be used for

thermoplastics piping systems in the field of industrial applications above and below ground:

— polybutene (PB);
— polyethylene (PE);
— polyethylene of raised temperature resistance (PE-RT);
— crosslinked polyethylene (PE-X);
— polypropylene (PP).

NOTE 1 Requirements for industrial valves are given in this International Standard and/or in other standards.

Valves are to be used with components conforming to this International Standard provided that they conform

additionally to the relevant requirements of this International Standard.

This International Standard is applicable to either PB, PE, PE-RT, PE-X, or PP pipes, fittings, valves, and

their joints and to joints with components of other plastics and non-plastic materials, depending on

their suitability, intended to be used for the conveyance of liquid and gaseous fluids as well as solid

matter in fluids for industrial applications such as the following:
— chemical plants;
— industrial sewerage engineering;
— power engineering (cooling and general purpose water);
— mining;
— electroplating and pickling plants;
— semiconductor industry;
— agricultural production plants;
— fire fighting;
— water treatment;
— geothermal.

NOTE 2 Where relevant, national regulations (e.g. water treatment) are applicable.

Other application areas are permitted if the requirements of this International Standard and/or

applicable national requirements are fulfilled.

National regulations in respect of fire behaviour and explosion risk are applicable.

© ISO 2015 – All rights reserved 1
---------------------- Page: 13 ----------------------
SIST EN ISO 15494:2018
ISO 15494:2015(E)

The components have to withstand the mechanical, thermal, and chemical demands to be expected and

have to be resistant to the fluids to be conveyed.

Characteristics and requirements which are applicable for all materials (PB, PE, PE-RT, PE-X, or

PP) are covered by the relevant clauses of this International Standard. Those characteristics and

requirements which are dependent on the material are given in the relevant normative annex for each

material (see Table 1).
Table 1 — Material-specific annexes
Material Annex
Polybutene (PB) A
Polyethylene (PE) B
Polyethylene of raised temperature resistance (PE-RT) C
Crosslinked polyethylene (PE-X) D
Polypropylene (PP) E

Components conforming to any of the product standards listed in the bibliography or with national

standards, as applicable, may be used with components conforming to this International Standard,

provided that they conform to the requirements for joint dimensions and to the relevant requirements

of this International Standard.
2 Normative references
The following documents, in whole or in part, are nor
...

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