Plastic piping systems — Mechanical joints between fittings and pressure pipes — Test method for leaktightness under negative pressure

This document specifies two methods of testing for checking the leaktightness of assembled joints between mechanical fittings and plastic pressure pipes with diameters up to and including 63 mm. The test applies regardless of the design and material of the fitting used for jointing plastics pipe. This test method is not applicable to fusion-welded joints.

Systèmes de canalisations en matières plastiques — Assemblages mécaniques entre raccords et tubes sous pression — Méthode d'essai pour l'étanchéité sous pression négative

Le présent document spécifie deux méthodes d’essai pour la vérification de l’étanchéité des assemblages entre raccords mécaniques et tubes sous pression en plastique dont le diamètre est inférieur ou égal à 63 mm. L’essai s’applique quelles que soient la conception et la matière du raccord utilisé pour le raccordement du tube plastique. La présente méthode d’essai n’est pas applicable aux assemblages soudés par fusion.

General Information

Status
Published
Publication Date
28-Mar-2022
Current Stage
5020 - FDIS ballot initiated: 2 months. Proof sent to secretariat
Start Date
23-Dec-2021
Completion Date
23-Dec-2021
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INTERNATIONAL ISO
STANDARD 3459
Third edition
2022-03
Plastic piping systems — Mechanical
joints between fittings and pressure
pipes — Test method for leaktightness
under negative pressure
Systèmes de canalisations en matières plastiques — Assemblages
mécaniques entre raccords et tubes sous pression — Méthode d'essai
pour l'étanchéité sous pression négative
Reference number
ISO 3459:2022(E)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO 3459:2022(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2022

All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO 2022 – All rights reserved
---------------------- Page: 2 ----------------------
ISO 3459:2022(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

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

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Principle ........................................................................................................................................................................................................................ 1

5 Test parameters and requirements ................................................................................................................................................1

6 Apparatus .................................................................................................................................................................................................................... 2

6.1 Apparatus for Procedure A .......................................................................................................................................................... 2

6.2 Apparatus for Procedure B .......................................................................................................................................................... 3

7 Test pieces ...................................................................................................................................................................................................................4

8 Procedure A: Pressure outside .............................................................................................................................................................4

9 Procedure B: Vacuum inside ...................................................................................................................................................................5

10 Test report .................................................................................................................................................................................................................. 5

Annex A (normative) Test parameters .............................................................................................................................................................. 6

iii
© ISO 2022 – All rights reserved
---------------------- Page: 3 ----------------------
ISO 3459:2022(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 of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves

for the transport of fluids, Subcommittee SC 5, General properties of pipes, fittings and valves of plastic

materials and their accessories — Test methods and basic specifications, in collaboration with the

European Committee for Standardization (CEN) Technical Committee CEN/TC 155, Plastics piping

systems and ducting systems, in accordance with the Agreement on technical cooperation between ISO

and CEN (Vienna Agreement).

This third edition cancels and replaces the second edition (ISO 3459:2015), which has been technically

revised.
The main changes are as follows:
— references to diameters >63 mm have been deleted;

— a change in vacuum pressure that can be considered to be leaktight has been introduced.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2022 – All rights reserved
---------------------- Page: 4 ----------------------
INTERNATIONAL STANDARD ISO 3459:2022(E)
Plastic piping systems — Mechanical joints between
fittings and pressure pipes — Test method for
leaktightness under negative pressure

WARNING — Persons using this document should be familiar with normal laboratory practice, if

applicable. The use of this document can involve hazardous materials, operations and equipment.

This document does not purport to address all of the safety concerns, if any, associated with

its use. It is the responsibility of the user of this document to establish appropriate safety and

health practices and determine the applicability of regulatory limitations prior to use.

1 Scope

This document specifies two methods of testing for checking the leaktightness of assembled joints

between mechanical fittings and plastic pressure pipes with diameters up to and including 63 mm. The

test applies regardless of the design and material of the fitting used for jointing plastics pipe.

This test method is not applicable to fusion-welded joints.
2 Normative references
There are no normative references in this document.
3 Terms and definitions
No terms and definitions are listed in this documen
...

NORME ISO
INTERNATIONALE 3459
Troisième édition
2022-03
Systèmes de canalisations en
matières plastiques — Assemblages
mécaniques entre raccords et tubes
sous pression — Méthode d'essai pour
l'étanchéité sous pression négative
Plastic piping systems — Mechanical joints between fittings and
pressure pipes — Test method for leaktightness under negative
pressure
Numéro de référence
ISO 3459:2022(F)
© ISO 2022
---------------------- Page: 1 ----------------------
ISO 3459:2022(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2022

Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette

publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,

y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut

être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.

ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
© ISO 2022 – Tous droits réservés
---------------------- Page: 2 ----------------------
ISO 3459:2022(F)
Sommaire Page

Avant-propos .............................................................................................................................................................................................................................iv

1 Domaine d’application ................................................................................................................................................................................... 1

2 Références normatives ..................................................................................................................................................................................1

3 Termes et définitions ...................................................................................................................................................................................... 1

4 Principe.......................................................................................................................................................................................................................... 1

5 Paramètres d’essai et exigences ..........................................................................................................................................................2

6 Appareillage .............................................................................................................................................................................................................. 2

6.1 Appareillage pour le Mode opératoire A ......... ................................................................................................................. 2

6.2 Appareillage pour le Mode opératoire B .......................................................................................................................... 3

7 Éprouvettes................................................................................................................................................................................................................ 4

8 Mode opératoire A : Pression extérieure ................................................................................................................................... 4

9 Mode opératoire B : Vide intérieur ...................................................................................................................................................5

10 Rapport d’essai ...................................................................................................................................................................................................... 5

Annexe A (normative) Paramètres d’essai .................................................................................................................................................... 6

iii
© ISO 2022 – Tous droits réservés
---------------------- Page: 3 ----------------------
ISO 3459:2022(F)
Avant-propos

L'ISO (Organisation internationale de normalisation) est une fédération mondiale d'organismes

nationaux de normalisation (comités membres de l'ISO). L'élaboration des Normes internationales est

en général confiée aux comités techniques de l'ISO. Chaque comité membre intéressé par une étude

a le droit de faire partie du comité technique créé à cet effet. Les organisations internationales,

gouvernementales et non gouvernementales, en liaison avec l'ISO participent également aux travaux.

L'ISO collabore étroitement avec la Commission électrotechnique internationale (IEC) en ce qui

concerne la normalisation électrotechnique.

Les procédures utilisées pour élaborer le présent document et celles destinées à sa mise à jour sont

décrites dans les Directives ISO/IEC, Partie 1. Il convient, en particulier, de prendre note des différents

critères d'approbation requis pour les différents types de documents ISO. Le présent document a

été rédigé conformément aux règles de rédaction données dans les Directives ISO/IEC, Partie 2 (voir

www.iso.org/directives).

L'attention est attirée sur le fait que certains des éléments du présent document peuvent faire l'objet de

droits de propriété intellectuelle ou de droits analogues. L'ISO ne saurait être tenue pour responsable

de ne pas avoir identifié de tels droits de propriété et averti de leur existence. Les détails concernant

les références aux droits de propriété intellectuelle ou autres droits analogues identifiés lors de

l'élaboration du document sont indiqués dans l'Introduction et/ou dans la liste des déclarations de

brevets reçues par l'ISO (voir www.iso.org/brevets).

Les appellations commerciales éventuellement mentionnées dans le présent document sont données

pour information, par souci de commodité, à l’intention des utilisateurs et ne sauraient constituer un

engagement.

Pour une explication de la nature volontaire des normes, la signification des termes et expressions

spécifiques de l'ISO liés à l'évaluation de la conformité, ou pour toute information au sujet de l'adhésion

de l'ISO aux principes de l’Organisation mondiale du commerce (OMC) concernant les obstacles

techniques au commerce (OTC), voir www.iso.org/avant-propos.

Le présent document a été élaboré par le comité technique ISO/TC 138, Tubes, raccords et robinetterie

en matières plastiques pour le transport des fluides, sous-comité SC 5, Propriétés générales des tubes,

raccords et robinetteries en matières plastiques et leurs accessoires — Méthodes d’essais et spécifications

de base, en collaboration avec le comité technique CEN/TC 155, Systèmes de canalisations et de gaines

en plastiques, du Comité européen de normalisation (CEN) conformément à l’Accord de coopération

technique entre l’ISO et le CEN (Accord de Vienne).

Cette troisième édition annule et remplace la deuxième édition (ISO 3459:2015), qui a fait l’objet d’une

révision technique.
Les principales modifications sont les suivantes:
— les références aux diamètres >63 mm ont été supprimées;

— une variation de la dépression pour laquelle le montage peut être considéré comme étanche a été

introduite.

Il convient que l’utilisateur adresse tout retour d’information ou toute question concernant le présent

document à l’organisme national de normalisation de son pays. Une liste exhaustive desdits organismes

se trouve à l’adresse www.iso.org/fr/members.html.
© ISO 2022 – Tous droits réservés
---------------------- Page: 4 ----------------------
NORME INTERNATIONALE ISO 3459:2022(F)
Systèmes de canalisations en matières plastiques —
Assemblages mécaniques entre raccords et tubes sous
pression — Méthode d'essai pour l'étanchéité sous
pression négative

AVERTISSEMENT — Il convient que les personnes utilisant le présent document connaissent bien

les pratiques courantes de laboratoire, le cas échéant. L’utilisation du présent document peut

impliquer la mise en œuvre de matériaux, d’opérations et de matériels dangereux. Le présent

document n’a pas pour but d’aborder tous les problèmes de sécurité qui sont, le cas échéant, liés

à son utilisation. Il incombe à l’utilisateur du présent document de mettre en place des pratiques

appropriées en matière d’hygiène et de sécurité et de déterminer l’applicabilité des limites

réglementaires avant de l’utiliser.
1 Domaine d’application

Le présent document spécifie deux méthodes d’essai pour la vérification de l’étanchéité des assemblages

entre raccords mécaniques et tubes sous pression en plastique dont le diamètre est inférieur ou égal

à 63 mm. L’essai s’applique quelles que soient la conception et la matière du raccord utilisé pour le

raccordement du tube plastique.

La présente méthode d’essai n’est pas applicable aux assemblages soudés par fusion.

2 Références normatives
Le présent document ne contient aucune référence normative.
3 Termes et définitions
Aucun terme n’est défini dans le présent document.

L’ISO et l’IEC tiennent à jour des bases de données terminologiques destinées à être utilisées en

normalisation, consultables aux adresses suivantes:
— ISO Online browsing platform: d
...

FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 3459
ISO/TC 138/SC 5
Plastic piping systems — Mechanical
Secretariat: NEN
joints between fittings and pressure
Voting begins on:
2021-12-23 pipes — Test method for leak
tightness under negative pressure
Voting terminates on:
2022-02-17
Systèmes de canalisations en matières plastiques — Assemblages
mécaniques entre raccords et tubes sous pression — Méthode d'essai
pour l'étanchéité sous pression négative
ISO/CEN PARALLEL PROCESSING
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 3459:2021(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
NATIONAL REGULATIONS. © ISO 2021
---------------------- Page: 1 ----------------------
ISO/FDIS 3459:2021(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2021

All rights reserved. Unless otherwise specified, or required in the context of its implementation, 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
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
© ISO 2021 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 3459:2021(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

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

2 Normative references ..................................................................................................................................................................................... 1

3 Terms and definitions .................................................................................................................................................................................... 1

4 Principle ........................................................................................................................................................................................................................ 1

5 Test parameters and requirements ................................................................................................................................................1

6 Apparatus .................................................................................................................................................................................................................... 2

6.1 Apparatus for Procedure A .......................................................................................................................................................... 2

6.2 Apparatus for Procedure B .......................................................................................................................................................... 3

7 Test pieces ...................................................................................................................................................................................................................4

8 Procedure A: Pressure outside .............................................................................................................................................................4

9 Procedure B: Vacuum inside ...................................................................................................................................................................5

10 Test report .................................................................................................................................................................................................................. 5

Annex A (normative) Test parameters .............................................................................................................................................................. 6

iii
© ISO 2021 – All rights reserved
---------------------- Page: 3 ----------------------
ISO/FDIS 3459:2021(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 of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to

the World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see

www.iso.org/iso/foreword.html.

This document was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves

for the transport of fluids, Subcommittee SC 5, General properties of pipes, fittings and valves of plastic

materials and their accessories — Test methods and basic specifications, in collaboration with the

European Committee for Standardization (CEN) Technical Committee CEN/TC 155, Plastics piping

systems and ducting systems, in accordance with the Agreement on technical cooperation between ISO

and CEN (Vienna Agreement).

This third edition cancels and replaces the second edition (ISO 3459:2015), which has been technically

revised.
The main changes are as follows:
— references to diameters > 63 mm have been deleted;

— a change in vacuum pressure that can be considered to be leak tight has been introduced.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www.iso.org/members.html.
© ISO 2021 – All rights reserved
---------------------- Page: 4 ----------------------
FINAL DRAFT INTERNATIONAL STANDARD ISO/FDIS 3459:2021(E)
Plastic piping systems — Mechanical joints between
fittings and pressure pipes — Test method for leak
tightness under negative pressure

WARNING — Persons using this document should be familiar with normal laboratory practice, if

applicable. The use of this document can involve hazardous materials, operations and equipment.

This document does not purport to address all of the safety concerns, if any, associated with

its use. It is the responsibility of the user of this document to establish appropriate safety and

health practices and determine the applicability of regulatory limitations prior to use.

1 Scope

This document specifies two methods of testing for checking the leak tightness of assembled joints

between mechanical fittings and plastic pressure pipes with diameters up to and including 63 mm. The

test
...

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