ISO 5771:2024

Norme
internationale
ISO 5771
Quatrième édition
Tuyaux et flexibles en caoutchouc
2024-04
pour le transfert d'ammoniac
anhydre — Spécifications
Rubber hoses and hose assemblies for transferring anhydrous
ammonia — Specification
Numéro de référence
ISO 5771:2024(fr) © ISO 2024

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ISO 5771:2024(fr)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2024
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 2024 – Tous droits réservés
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ISO 5771:2024(fr)
Sommaire Page
Avant-propos .iv
1 Domaine d’application . 1
2 Références normatives . 1
3 Termes et définitions . 2
4 Pressions nominales . 2
5 Matériaux et fabrication . 2
5.1 Tube intérieur .2
5.2 Armature .2
5.3 Revêtement .2
5.4 Assemblages flexibles.2
6 Dimensions . 3
6.1 Diamètres intérieurs et tolérances . .3
6.2 Diamètre extérieur .3
6.3 Concentricité .3
6.4 Tolérances sur la longueur .3
7 Propriétés physiques . 3
7.1 Mélanges de caoutchouc .3
7.2 Tuyau à l'état fini .
...

FINAL DRAFT
International
Standard
ISO/FDIS 5771
ISO/TC 45/SC 1
Rubber hoses and hose assemblies
Secretariat: DIN
for transferring anhydrous
Voting begins on:
ammonia — Specification
2024-01-22
Tuyaux et flexibles en caoutchouc pour le transfert d'ammoniac
Voting terminates on:
anhydre — Spécifications
2024-03-18
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
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/CEN PARALLEL PROCESSING 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.
Reference number
ISO/FDIS 5771:2024(en) © ISO 2024

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FINAL DRAFT
ISO/FDIS 5771:2024(en)
International
Standard
ISO/FDIS 5771
ISO/TC 45/SC 1
Rubber hoses and hose assemblies
Secretariat: DIN
for transferring anhydrous
Voting begins on:
ammonia — Specification
Tuyaux et flexibles en caoutchouc pour le transfert d'ammoniac
Voting terminates on:
anhydre — Spécifications
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
COPYRIGHT PROTECTED DOCUMENT
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
AND TO PROVIDE SUPPOR TING DOCUMENTATION.
© ISO 2024
IN ADDITION TO THEIR EVALUATION AS
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/CEN PARALLEL PROCESSING
LOGICAL, COMMERCIAL AND USER PURPOSES, DRAFT
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
or ISO’s member body in the country of the requester.
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
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 Reference number
ISO/FDIS 5771:2024(en) © ISO 2024

© ISO 2024 – All rights reserved
ii

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ISO/FDIS 5771:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3  Terms and definitions . 1
4 Pressure rating . 2
5 Materials and construction . 2
5.1 Lining .2
5.2 Reinforcement .2
5.3 Cover .2
5.4 Hose assemblies .2
6 Dimensions .
...

2023-12-01
ISO/FDIS 5771:2023(E)
ISO /TC 45/SC 1/WG 1
Secretariat: DIN
Date: 2024-01-05
Rubber hoses and hose assemblies for transferring anhydrous
ammonia — Specification
Tuyaux et flexibles en caoutchouc pour le transfert d'ammoniac anhydre — Spécifications
FDIS stage

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ISO/FDIS 5771:20232024(E)
© ISO 2023 2024
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 2024 – All rights reserved

ii

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ISO/FDIS 5771:20232024(E)
Contents
Foreword . iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Pressure rating . 2
5 Materials and construction . 2
5.1 Lining . 2
5.2 Reinforcement . 2
5.3 Cover . 2
5.4 Hose assemblies . 2
6 Dimensions . 2
6.1 Inside diameters and tolerances . 2
6.2 Outside diameter . 3
6.3 Concentricity . 3
6.4 Tolerances on length . 3
7 Physical properties . 3
7.1 Rubber compounds . 3
7.2 Finished hose . 4
7.3 Ammonia resistance tests . 5
7.3.1 Test lengths. 5
7.3.2 Ammonia conditioning.
...