EN ISO 21058:2021

Road vehicles - Dimethyl Ether (DME) refuelling connector (ISO 21058:2019)

This document applies only to Dimethyl Ether refuelling connectors hereinafter referred to as devices, constructed entirely of new, unused parts and materials. Dimethyl Ether refuelling connectors consist of the following components, as applicable:
a)   Nozzle (mounted on dispenser side).
b)   Receptacle (mounted on vehicle).
This document applies to devices which use Dimethyl Ether as fuel, hereinafter referred to in this document as D15 [see 9.1 c)].
This document applies to devices with standardised mating components.
This document applies to connectors which prevent Dimethyl Ether vehicles from being fuelled by fuel station dispensers for other gaseous fuels.
This document is applicable to: Dimethyl Ether in accordance with ISO 16861.
NOTE       All references to pressures (kPa) throughout this document are considered gauge pressures unless otherwise specified.

Straßenfahrzeuge - Dimethylether(DME)-Betankungsanschluss (ISO 21058:2019)

Véhicules routiers - Connecteur de remplissage en Dimethyl Ether (DME) (ISO 21058:2019)

Le présent document s'applique uniquement aux pistolets et les réceptacles de remplissage en Diméthyl Éther, ci-après dénommés appareils, construits entièrement à partir de pièces neuves et non utilisées, et de matériaux. Les connecteurs de remplissage en Diméthyl Éther sont composés, le cas échéant, des éléments suivants:
a) pistolet (fixé sur le côté borne de remplissage),
b) réceptacle (fixé sur le véhicule).
Le présent document s'applique aux appareils qui utilisent le Diméthyl Éther comme carburant, ci-après dénommé D15 dans le présent document [voir 9.1 c)].
Ce document s'applique aux appareils dont les composants de contact sont normalisés.
Ce document s'applique aux connecteurs qui empêchent les véhicules fonctionnant au Diméthyl Éther d'être alimentés par des bornes de stations de remplissage pour d'autres carburants gazeux.
Ce document est applicable au Diméthyl Éther conformément à la norme ISO 16861.
NOTE            Toutes les références aux pressions (kPa) dans le présent document sont considérées comme des pressions manométriques, sauf indication contraire.

Cestna vozila - Priključek za polnjenje dimetilnega etra (DME) (ISO 21058:2019)

General Information

• Status: Published
• Publication Date: 05-Oct-2021
• Withdrawal Date: 29-Apr-2022
• ICS: 43.060.40 - Fuel systems
• Technical Committee: CEN/TC 301 - Electrically propelled road vehicles
• Drafting Committee: CEN/TC 301 - Electrically propelled road vehicles
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 06-Oct-2021
• Due Date: 11-Aug-2022
• Completion Date: 06-Oct-2021
• Directive: 2014/94/EU - Directive 2014/94/EU of The European Parliament and of The Council of 22 October 2014 on the deployment of alternative fuels infrastructure
• Mandate: M/533 - [C(2015)1330] Standardisation request addressed to CEN, CENELEC and ETSI in support of the implementation of the Directive 2014/94/EU on the deployment of alternative fuels infrastructure
• Ref Project: SIST EN ISO 21058:2021 - Road vehicles - Dimethyl Ether (DME) refuelling connector (ISO 21058:2019)

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2021
Cestna vozila - Priključek za polnjenje dimetilnega etra (DME) (ISO 21058:2019)
Road vehicles - Dimethyl Ether (DME) refuelling connector (ISO 21058:2019)
Straßenfahrzeuge - Dimethylether (DME) Nachfüllstutzen (ISO 21058:2019)
Véhicules routiers - Connecteur de remplissage en Dimethyl Ether (DME) (ISO
21058:2019)
Ta slovenski standard je istoveten z: EN ISO 21058:2021
ICS:
43.060.40 Sistemi za gorivo Fuel systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN ISO 21058
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2021
EUROPÄISCHE NORM
ICS 43.060.40
English Version
Road vehicles - Dimethyl Ether (DME) refuelling connector
(ISO 21058:2019)
Véhicules routiers - Connecteur de remplissage en Straßenfahrzeuge - Dimethylether (DME)
Dimethyl Ether (DME) (ISO 21058:2019) Nachfüllstutzen (ISO 21058:2019)
This European Standard was approved by CEN on 13 September 2021.

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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, 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
© 2021 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 21058:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 3

European foreword
The text of ISO 21058:2019 has been prepared by Technical Committee ISO/TC 22 "Road vehicles” of
the International Organization for Standardization (ISO) and has been taken over as EN ISO 21058:2021
by Technical Committee CEN/TC 301 “Road vehicles” the secretariat of which is held by AFNOR.
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 2022, and conflicting national standards shall be
withdrawn at the latest by April 2022.
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 has been prepared under a Standardization Request given to CEN by the European
Commission and the European Free Trade Association.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
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, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the
United Kingdom.
Endorsement notice
The text of ISO 21058:2019 has been approved by CEN as EN ISO 21058:2021 without any modification.

INTERNATIONAL ISO
STANDARD 21058
First edition
2019-12
Road vehicles — Dimethyl Ether
(DME) refuelling connector
Véhicules routiers — Connecteur de remplissage en Dimethyl Ether
(DME)
Reference number
ISO 21058:2019(E)
©
ISO 2019
ISO 21058:2019(E)
© ISO 2019
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: [phone]
Fax: [phone]
Email: [e-mail]
Website: www.iso.org
Published in Switzerland
ii © ISO 2019 – All rights reserved

ISO 21058:2019(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative References . 1
3 Terms and definitions . 1
4 General construction requirements . 3
5 Nozzles . 4
6 Standard receptacle dimensions . 4
7 Receptacles . 5
8 Instructions . 6
9 Marking . 6
10 Tests . 7
10.1 General requirements . 7
10.2 Impact resistance . 7
10.2.1 Nozzle test . 7
10.2.2 Receptacle test . 7
10.3 Leakage at room temperature . 8
10.4 Abnormal loads . 8
10.4.1 Test in unpressurised condition . 9
10.4.2 Test in pressurised condition . 9
10.5 Mounting hardware torque .10
10.6 Leakage at low and high temperatures .10
10.7 Nozzle freezing .10
10.8 Durability .10
10.8.1 Endurance .10
10.8.2 Corrosion resistance .12
10.8.3 Brass material compatibility .13
10.8.4 Resistance to dry heat .13
10.8.5 Ozone ageing .13
10.8.6 Temperature cycle .14
10.8.7 Compatibility to Dimethyl Ether .14
10.8.8 Electrical continuity .14
10.9 Hydrostatic strength .14
10.10 Oxygen ageing .15
10.11 Non-metallic material immersion .15
10.12 Vibration resistance .16
10.13 Creep .16
10.14 Automotive fluid exposure.16
10.14.1 General.16
10.14.2 Test method .16
10.14.3 Fluids . . .17
10.14.4 Pass criteria .17
Annex A (normative) Critical dimensions of the nozzle .18
Annex B (informative) Manufacturing and production test plan .19
Bibliography .20
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