ISO 16422-2:2024
(Main)Pipes and joints made of oriented unplasticized poly(vinyl chloride) (PVC-O) for the conveyance of water under pressure — Part 2: Pipes
Pipes and joints made of oriented unplasticized poly(vinyl chloride) (PVC-O) for the conveyance of water under pressure — Part 2: Pipes
This document specifies the characteristics of solid-wall pipes made of oriented unplasticized poly(vinyl chloride) (PVC-O) for piping systems intended to be used underground or above-ground (where protected from direct sunlight), for water supply, buried drainage, sewerage, treated wastewater and irrigation under pressure. It also specifies the test parameters for the test methods referred to in this document. In conjunction with ISO 16422-1 and ISO 16422-5, this document is applicable to oriented PVC-O pipes, with or without integral socket, intended to be used for the following: a) water mains and services lines; b) conveyance of water for both outside and inside buildings; c) drainage, sewerage and treated wastewater under pressure; d) irrigation under pressure. This document is applicable to piping systems intended for the supply of water under pressure up to and including 25 °C (cold water), intended for human consumption and for general purposes as well as for wastewater under pressure. This document is also applicable to components for the conveyance of water and wastewater up to and including 45 °C. For temperatures between 25 °C and 45 °C, see Figure C.1. The piping system according to this document is intended for the conveyance of cold water up to pressures of 25 bar[1] and especially in those applications where special performance requirements are needed, such as impact loads and pressure fluctuations, up to pressure of 25 bar. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2
Tubes et assemblages en poly(chlorure de vinyle) non plastifié orienté (PVC-O) pour le transport de l'eau sous pression — Partie 2: Tubes
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FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 16422-2
ISO/TC 138/SC 2
Pipes and joints made of oriented
Secretariat: SNV
unplasticized poly(vinyl chloride)
Voting begins on:
2023-10-18 (PVC-O) for the conveyance of water
under pressure —
Voting terminates on:
2023-12-13
Part 2:
Pipes
Tubes et assemblages en poly(chlorure de vinyle) non plastifié orienté
(PVC-O) pour le transport de l'eau sous pression —
Partie 2: Tubes
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 16422-2:2023(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 2023
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ISO/FDIS 16422-2:2023(E)
FINAL
INTERNATIONAL ISO/FDIS
DRAFT
STANDARD 16422-2
ISO/TC 138/SC 2
Pipes and joints made of oriented
Secretariat: SNV
unplasticized poly(vinyl chloride)
Voting begins on:
(PVC-O) for the conveyance of water
under pressure —
Voting terminates on:
Part 2:
Pipes
Tubes et assemblages en poly(chlorure de vinyle) non plastifié orienté
(PVC-O) pour le transport de l'eau sous pression —
Partie 2: Tubes
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
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.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/FDIS 16422-2:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN-
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
© ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023
---------------------- Page: 2 ----------------------
ISO/FDIS 16422-2:2023(E)
Contents Page
Foreword .iv
Introduction . vi
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
4 Symbols . 4
5 Material. 5
5.1 General . 5
5.2 Density . 5
5.3 MRS class .
...
ISO/FDIS 16422-2:2023(E)
ISO /TC 138/SC 2
Date: 2023-07-06
Secretariat: SNV
Date: 2023-10-03
Pipes and joints made of oriented unplasticized poly(vinyl
chloride) (PVC-O) for the conveyance of water under pressure —
Part 2: Pipes —
Part 2:
Pipes
Tubes et assemblages en poly(chlorure de vinyle) non plastifié orienté (PVC-O) pour le transport de l'eau
sous pression —
Partie 2: Tubes
FDIS stage
---------------------- Page: 1 ----------------------
ISO/FDIS 16422-2:2023(E)
© ISO 2023
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
EmailE-mail: copyright@iso.org
Website: www.iso.orgwww.iso.org
Published in Switzerland
ii © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/FDIS 16422-2:2023(E)
Contents
Foreword vi
Introduction viii
1 Scope 1
2 Normative references 1
3 Terms and definitions 3
4 Symbols 5
5 Material 7
5.1 General 7
5.2 Density 7
5.3 MRS class 7
5.4 Orientation factor 8
6 General characteristics 8
6.1 Appearance 8
6.2 Colour 8
6.3 Opacity 8
6.4 Classification of pipes 9
6.4.1 Classification 9
6.4.2 Calculation of wall thickness 9
7 Geometrical characteristics 9
7.1 Measurement of dimensions 9
7.2 Length of pipes 9
7.3 Nominal outside diameters and wall thicknesses 10
7.4 Pipes with integral sockets with elastomeric sealing ring type 11
7.5 Plain ends 14
8 Selection of pipes 14
8.1 Selection of nominal pressure and pipe serie S for water up to and including 25 °C 14
8.2 Determination of the allowable operating pressure for water up to 45 °C 14
9 Mechanical characteristics 14
9.1 Resistance to hydrostatic pressure 14
9.1.1 General 14
9.1.2 Pipes 15
9.1.3 Pipes with integral sockets 15
9.2 Impact strength 15
9.3 Ring stiffness 16
10 Physical characteristics 16
11 Sealing rings 17
© ISO 2023 – All rights reserved iii
© ISO 2023 – All rights reserved iii
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ISO/FDIS 16422-2:2023(E)
12 Marking 17
12.1 General 17
12.2 Minimum required marking 17
12.3 Additional marking 18
Annex A (normative) Establishment of the pipe material classification 19
Annex B (normative) Minimum depth of engagement of sockets 21
Annex C (normative) Temperature derating factor 25
Annex D (informative) Calculation of negative pressure capability of pipes 27
Annex E (normative) Determination of axial and circumferential orientation factor 28
Bibliography 30
Foreword . vi
Introduction . viii
Part 2: Pipes . 1
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 3
4 Symbols . 5
5 Material . 7
5.1 General . 7
5.2 Density . 7
5.3 MRS class .
...
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