oSIST prEN ISO 15875-3:2024

SLOVENSKI STANDARD
01-oktober-2024
Cevni sistemi iz polimernih materialov za napeljave z vročo in hladno vodo -
Zamreženi polietilen (PE-X) - 3. del: Fitingi (ISO/DIS 15875-3:2024)
Plastics piping systems for hot and cold water installations - Crosslinked polyethylene
(PE-X) - Part 3: Fittings (ISO/DIS 15875-3:2024)
Kunststoff-Rohrleitungssysteme für die Warm- und Kaltwasserinstallation– Vernetztes
Polyethylen (PE-X)– Teil3: Formstücke (ISO/DIS 15875-3:2024)
Systèmes de canalisations en plastique pour les installations d'eau chaude et froide -
Polyéthylène réticulé (PE-X) - Partie 3: Raccords (ISO/DIS 15875-3:2024)
Ta slovenski standard je istoveten z: prEN ISO 15875-3
ICS:
23.040.45 Fitingi iz polimernih Plastics fittings
materialov
91.140.60 Sistemi za oskrbo z vodo Water supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
International
Standard
ISO/DIS 15875-3
ISO/TC 138/SC 2
Plastics piping systems for hot
Secretariat: SNV
and cold water installations —
Voting begins on:
Crosslinked polyethylene (PE-X) —
2024-07-25
Part 3:
Voting terminates on:
2024-10-17
Fittings
Systèmes de canalisations en plastique pour les installations
d'eau chaude et froide — Polyéthylène réticulé (PE-X) —
Partie 3: Raccords
ICS: 23.040.45; 91.140.60
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
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RIGHTS OF WHICH THEY ARE AWARE AND TO
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Reference number
ISO/DIS 15875-3:2024(en)
DRAFT
ISO/DIS 15875-3:2024(en)
International
Standard
ISO/DIS 15875-3
ISO/TC 138/SC 2
Plastics piping systems for hot
Secretariat: SNV
and cold water installations —
Voting begins on:
Crosslinked polyethylene (PE-X) —
Part 3:
Voting terminates on:
Fittings
Systèmes de canalisations en plastique pour les installations
d'eau chaude et froide — Polyéthylène réticulé (PE-X) —
Partie 3: Raccords
ICS: 23.040.45; 91.140.60
THIS DOCUMENT IS A DRAFT CIRCULATED
FOR COMMENTS AND APPROVAL. IT
IS THEREFORE SUBJECT TO CHANGE
AND MAY NOT BE REFERRED TO AS AN
INTERNATIONAL STANDARD UNTIL
PUBLISHED AS SUCH.
This document is circulated as received from the committee secretariat.
IN ADDITION TO THEIR EVALUATION AS
BEING ACCEPTABLE FOR INDUSTRIAL,
© ISO 2024
TECHNOLOGICAL, COMMERCIAL AND
USER PURPOSES, DRAFT INTERNATIONAL
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
STANDARDS MAY ON OCCASION HAVE TO
ISO/CEN PARALLEL PROCESSING
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
BE CONSIDERED IN THE LIGHT OF THEIR
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
POTENTIAL TO BECOME STANDARDS TO
WHICH REFERENCE MAY BE MADE IN
or ISO’s member body in the country of the requester.
NATIONAL REGULATIONS.
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NOTIFICATION OF ANY RELEVANT PATENT
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Published in Switzerland Reference number
ISO/DIS 15875-3:2024(en)
ii
ISO/DIS 15875-3:2024(en)
Contents Page
Foreword .v
Introduction .vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions, symbols and abbreviated terms . 2
3.1 General .3
3.2 Mechanical fittings .3
4 Material characteristics . 4
4.1 Plastics fitting body material subjected to hydrostatic stress .4
4.1.1 General .4
4.1.2 PE-X Fitting body material .4
4.1.3 Plastics fitting body material not identical to PE-X, but specified by an ISO
standard according to Annex B .5
4.1.4 Plastics fitting body material not specified by an ISO standard according to
Annex B .6
4.2 Plastics material of auxiliary fittings parts subjected to mechanical stress .7
4.3 Metallic fitting body material .7
4.4 Influence on water intended for human consumption .7
5 General characteristics . 7
5.1 Appearance .7
5.1.1 Appearance of plastic fittings .7
5.1.2 Appearance of metal fittings .7
5.2 Opacity .7
6 Geometrical characteristics . 7
6.1 General .7
6.1.1 Nominal diameter(s) .8
6.1.2 Angles .8
6.1.3 Threads .8
6.2 Dimensions of sockets for electro-fusion fittings .8
6.3 Dimensions of metallic fittings - minimum wall thickness of fittings made of copper
alloys .9
7 Mechanical characteristics of plastics fittings . 9
7.1 General .9
7.2 Fitting made from a PE-X material .10
7.3 Fitting made from plastics material other than PE-X and specified by an ISO standard
according to Annex B .11
7.4 Fitting made from plastics material not specified by an ISO standard according to
Annex B . 12
8 Physical and chemical characteristics .13
8.1 Physical and chemical characteristics of plastics fittings . 13
8.1.1 Thermal stability . 13
8.1.2 Degree of crosslinking and Melt flow rate .14
8.2 Physical and chemical characteristics of metallic fittings .14
8.2.1 Fittings made of copper alloys - resistance to stress corrosion .14
8.2.2 Fittings made of copper alloys - resistance to dezincification .14
8.2.3 Metallic fittings made from cast alloys – tightness test . 15
9 Sealing elements .15
10 Performance requirements . .15
11 Marking . .15
11.1 General requirements . 15

iii
ISO/DIS 15875-3:2024(en)
11.2 Minimum required marking . 15
Annex A (normative) Dimensional Requirements for metallic Fittings . 17
Annex B (normative) ISO standards defining plastics material to be used for components in hot
and cold applications inside buildings . 19
Annex C (normative) Plastics materials for supporting fitting parts, which are not in contact
with the media (water) during the application, but are subjected to tensile stress or
compressive strain and to temperature (e.g. plastic coupling nuts, plastic clamping
rings, etc.) .
...