Railway applications - Ground based services - Exhaust treatment fluid (AUS 32) refilling equipment

This European Standard specifies interface requirements on vehicles and on ground based refilling and storage equipment for any railway vehicle fitted with internal combustion engine (s) requiring a NOx reduction agent AUS 32 (32 % aqueous urea solution) as specified in ISO 22241-1.
It is also applicable to mobile or temporary refilling points for AUS 32.

Bahnanwendungen - Versorgungseinrichtungen - Nachfüllvorrichtung für Abgasreinigungsflüssigkeit (AUS 32)

Applications ferroviaires - Services au sol - Équipement de remplissage du fluide de traitement des gaz d'échappement (AUS 32)

Železniške naprave - Talna oskrba - Oprema za ponovno polnjenje tekočine, ki se uporablja za obdelavo izpušnih plinov (AUS 32)

Ta evropski standard določa zahteve za vmesnike na vozilih in opremo za polnjenje na tleh in shranjevanje za vsa železniška vozila, opremljena z motorjem (motorji) z notranjim zgorevanjem, ki potrebujejo sredstvo za zmanjšanje dušikovih oksidov (NOx) AUS 32 (32 % vodne raztopine uree), kot to določa standard ISO 22241-1.
Uporablja se tudi za mobilna ali začasna mesta za polnjenje AUS 32.

General Information

Status
Published
Public Enquiry End Date
30-Apr-2022
Publication Date
15-Mar-2023
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
09-Mar-2023
Due Date
14-May-2023
Completion Date
16-Mar-2023

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SLOVENSKI STANDARD
SIST EN 17824:2023
01-maj-2023
Železniške naprave - Talna oskrba - Oprema za ponovno polnjenje tekočine, ki se
uporablja za obdelavo izpušnih plinov (AUS 32)
Railway applications - Ground based services - Exhaust treatment fluid (AUS 32) refilling
equipment
Bahnanwendungen - Versorgungseinrichtungen - Nachfüllvorrichtung für
Abgasreinigungsflüssigkeit (AUS 32)
Applications ferroviaires - Services au sol - Équipement de remplissage du fluide de
traitement des gaz d'échappement (AUS 32)
Ta slovenski standard je istoveten z: EN 17824:2023
ICS:
45.060.10 Vlečna vozila Tractive stock
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
SIST EN 17824:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
SIST EN 17824:2023

---------------------- Page: 2 ----------------------
SIST EN 17824:2023


EN 17824
EUROPEAN STANDARD

NORME EUROPÉENNE

March 2023
EUROPÄISCHE NORM
ICS 45.060.10; 75.200
English Version

Railway applications - Ground based services - Exhaust
treatment fluid (AUS 32) refilling equipment
Applications ferroviaires - Services au sol - Équipement Bahnanwendungen - Versorgungseinrichtungen -
de remplissage du fluide de traitement des gaz Nachfüllvorrichtung für Abgasreinigungsflüssigkeit
d'échappement (AUS 32) (AUS 32)
This European Standard was approved by CEN on 16 January 2023.

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, Türkiye 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
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17824:2023 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
SIST EN 17824:2023
EN 17824:2023 (E)
Contents
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 6
4.1 System requirement . 6
4.2 On vehicles . 6
4.2.1 On board AUS 32 system . 6
4.2.2 Mechanical coupling for AUS 32 fluid supply . 6
4.2.3 Electrical connector for AUS 32 supply control circuit . 7
4.2.4 On board AUS 32 storage tank . 7
4.3 On railway infrastructure . 8
4.3.1 General. 8
4.3.2 System design . 8
4.3.3 Ground based supply hose to vehicle . 9
4.3.4 Breakaway coupling . 9
4.3.5 Electrical connection . 9
4.3.6 Pumping requirement . 9
4.3.7 Storage tanks . 11
4.3.8 Supply to depot . 11
4.4 Simple manual top up . 11
4.4.1 For railway vehicles . 11
4.4.2 For fixed installations . 11
4.5 Provision of information and instructions . 12
4.5.1 For railway vehicles . 12
4.5.2 For fixed installations . 12
Annex A (normative) Electrical connection. 13

2

---------------------- Page: 4 ----------------------
SIST EN 17824:2023
EN 17824:2023 (E)
European foreword
This document (EN 17824:2023) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
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 September 2023, and conflicting national standards shall
be withdrawn at the latest by September 2023.
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.
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 organisations 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, Türkiye and the United
Kingdom.
3

---------------------- Page: 5 ----------------------
SIST EN 17824:2023
EN 17824:2023 (E)
Introduction
This document contains requirements regarding equipment for railway vehicles and railway
infrastructure for filling railway vehicles with a NOx reduction agent AUS 32 (32 % aqueous urea
solution) as specified in ISO 22241-1:2019, hence forward referred to as AUS 32. These minimum
requirements describe the target system to be available across Europe to assist use of the railway
network.
The urea solution (AUS 32) as referred to in this document is commercially available and may exist under
various trade names. Trade names of products commercially available include: AdBlue®, ARLA 32®,
DEF, etc.
NOTE This information is given for the convenience of users of this document and does not constitute an
endorsement by CEN of the products named.
4

---------------------- Page: 6 ----------------------
SIST EN 17824:2023
EN 17824:2023 (E)
1 Scope
This document specifies interface requirements on vehicles and on ground based refilling and storage
equipment for any railway vehicle fitted with internal combustion engine(s) requiring a NOx reduction
agent AUS 32 (32 % aqueous urea solution) as specified in ISO 22241-1:2019.
It is also applicable to mobile or temporary refilling points for AUS 32.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 13617-2:2021, Petrol filling stations — Part 2: Safety requirements for construction and performance
of safe breaks for use on metering pumps and dispensers
1
EN 50122-1:2011, Railway applications — Fixed installations — Electrical safety, earthing and the return
circuit — Part 1: Protective provisions against electric shock
2
ISO 22241-1:2019, Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements
ISO 22241-3:2017, Diesel engines — NOx reduction agent AUS 32 — Part 3: Handling, transportation, and
storage
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at https://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1
NATO STANAG
North Atlantic Treaty Organisation standardisation agreement

1
Document impacted by A1:2011, A2:2016, A3:2016, A4:2017 and AC:2012.
2
Document impacted by A1:2019.
5

---------------------- Page: 7 ----------------------
SIST EN 17824:2023
EN 17824:2023 (E)
4 Requirements
4.1 System requirement
Railway vehicles fitted with an internal combustion engine that uses AUS 32 shall either have:
1) pumped refilling system with mechanical and electrical couplings and storage tank on the railway
vehicle compliant with 4.2. This is intended to permit routine regular refilling of the AUS 32 tanks on
the vehicle without the need for constant attendance by servicing personnel;
or
2) manual top-up system that informs the user that AUS 32 requires refilling, and a tank provided to be
refilled, as set out in 4.4, similar to systems used on road vehicles and construction machinery.
It is permitted to also fit additional alternative refilling connections to suit local servicing requirements.
Designated refilling points on railway infrastructure that store and dispense AUS 32 shall be fitted with
at least one mechanical and electrical coupling compliant with 4.3.1. It is permitted to also fit additional
alternative filling couplings to suit local conditions at the fuelling point where alternative AUS 32
couplings are fitted to the vehicles serviced in this location.
Mobile refilling equipment to dispense AUS 32 shall be fitted with couplings compliant with 4.3.1 or
suitable for use with the open system described in 4.4.
4.2 On vehicles
4.2.1 On board AUS 32 system
The AUS 32 system from the inlet up to and including the storage tank shall be able to withstand the
maximum pressure and flow rate shown in 4.3.2.
All parts of the AUS 32 storage tank and pipework on the vehicle that come into contact with the AUS 32
shall be chemically and structurally stable under known service conditions and shall be corrosion free.
Materials likely to come into contact with the AUS 32 shall be resistant to attack by the AUS 32.
4.2.2 Mechanical coupling for AUS 32 fluid supply
Vehicles shall be fitted with the male part of a self sealing coupling compliant to NATO STANAG-3756,
with a nominal diameter of 25 mm, type DDC 1 inch, in a material that does not react with AUS 32, such
as inox or hard alloy.
The connections shall be on each side of the vehicle between 600 mm and 1 600 mm above rail level,
measured to the centre of the connection. Where the connection is recessed from the vehicle bodyside
they shall not be recessed further than 100 mm deeper than the local bodyside. T
...

SLOVENSKI STANDARD
oSIST prEN 17824:2022
01-april-2022
Železniške naprave - Talna oskrba - Oprema za ponovno polnjenje tekočine, ki se
uporablja za obdelavo izpušnih plinov (AUS 32)
Railway applications - Ground based services - Exhaust treatment fluid (AUS 32) refilling
equipment
Bahnanwendungen - Versorgungseinrichtungen - Nachfüllvorrichtung für
Abgasreinigungsflüssigkeit (AUS 32)
Applications ferroviaires - Services au sol - Équipement de remplissage du fluide de
traitement des gaz d'échappement (AUS 32)
Ta slovenski standard je istoveten z: prEN 17824
ICS:
45.060.10 Vlečna vozila Tractive stock
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
oSIST prEN 17824:2022 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

---------------------- Page: 1 ----------------------
oSIST prEN 17824:2022

---------------------- Page: 2 ----------------------
oSIST prEN 17824:2022


DRAFT
EUROPEAN STANDARD
prEN 17824
NORME EUROPÉENNE

EUROPÄISCHE NORM

February 2022
ICS 45.060.10; 75.200
English Version

Railway applications - Ground based services - Exhaust
treatment fluid (AUS 32) refilling equipment
Applications ferroviaires - Services au sol - Équipement Bahnanwendungen - Versorgungseinrichtungen -
de remplissage du fluide de traitement des gaz Nachfüllvorrichtung für Abgasreinigungsflüssigkeit
d'échappement (AUS 32) (AUS 32)
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 256.

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.

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 supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.


EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17824:2022 E
worldwide for CEN national Members.

---------------------- Page: 3 ----------------------
oSIST prEN 17824:2022
prEN 17824:2022 (E)
Contents
European foreword . 3
Introduction . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Requirements . 5
4.1 System requirement . 5
4.2 On vehicles . 6
4.2.1 On board AUS 32 system . 6
4.2.2 Mechanical coupling for AUS 32 fluid supply . 6
4.2.3 Electrical connector for AUS 32 supply control circuit . 7
4.2.4 On board AUS 32 storage tank . 7
4.3 On railway infrastructure . 8
4.3.1 General. 8
4.3.2 System design . 8
4.3.3 Ground based supply hose to vehicle . 8
4.3.4 Breakaway coupling . 9
4.3.5 Electrical coupling . 9
4.3.6 Pumping requirement . 9
4.3.7 Storage tanks . 11
4.3.8 Supply to depot . 11
4.4 Simple manual top up . 11
4.4.1 For railway vehicles . 11
4.4.2 For fixed installations . 11
4.5 Provision of information and instructions . 11
4.5.1 For railway vehicles . 11
4.5.2 For fixed installations . 11
Annex A (normative) Electrical connection. 13


2

---------------------- Page: 4 ----------------------
oSIST prEN 17824:2022
prEN 17824:2022 (E)
European foreword
This document (prEN 17824:2022) has been prepared by Technical Committee CEN/TC 256 “Railway
applications”, the secretariat of which is held by DIN.
This document is currently submitted to the CEN Enquiry.
3

---------------------- Page: 5 ----------------------
oSIST prEN 17824:2022
prEN 17824:2022 (E)
Introduction
This document contains requirements regarding equipment for railway vehicles and railway
infrastructure for filling railway vehicles with a NOx reduction agent AUS 32 (32 % aqueous urea
solution) as specified in ISO 22241-1, hence forward referred to as AUS 32. These minimum
requirements describe the target system to be available across Europe to assist use of the railway
network.
The urea solution (AUS 32) as referred to in this document is commercially available and may exist under
various trade names. Trade names of products commercially available include: AdBlue®, ARLA 32®,
DEF, etc.
NOTE This information is given for the convenience of users of this document and does not constitute an
endorsement by CEN of the products named.
4

---------------------- Page: 6 ----------------------
oSIST prEN 17824:2022
prEN 17824:2022 (E)
1 Scope
This document specifies interface requirements on vehicles and on ground based refilling and storage
equipment for any railway vehicle fitted with internal combustion engine(s) requiring a NOx reduction
agent AUS 32 (32 % aqueous urea solution) as specified in ISO 22241-1.
It is also applicable to mobile or temporary refilling points for AUS 32.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 13617-2, Petrol filling stations - Part 2: Safety requirements for construction and performance of safe
breaks for use on metering pumps and dispensers
1
EN 50122-1:2011 , Railway applications — Fixed installations — Electrical safety, earthing and the return
circuit — Part 1: Protective provisions against electric shock
ISO 22241-1, Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements
ISO 22241-3:2017, Diesel engines — NOx reduction agent AUS 32 — Part 3: Handling, transportation, and
storage
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
NATO STANAG
North Atlantic Treaty Organisation standardisation agreement
4 Requirements
4.1 System requirement
Railway vehicles fitted with an internal combustion engine that requires AUS 32 shall either have:
1) pumped refilling system with mechanical and electrical couplings and storage tank on the railway
vehicle compliant with 4.2. This is intended to permit routine regular refilling of the AUS 32 tanks on
the vehicle without the need for constant attendance by servicing personnel.
or
2) manual top-up system that informs the user that AUS 32 requires refilling, and a tank provided to be
refilled, as set out in 4.4, similar to systems used on road vehicles and construction machinery.

1
Document impacted by A1:2011, A2:2016, A3:2016, A4:2017 and AC:2012.
5

---------------------- Page: 7 ----------------------
oSIST prEN 17824:2022
prEN 17824:2022 (E)
It is permitted to also fit additional alternative refilling connections to suit local servicing requirements.
Designated refilling points on railway infrastructure that store and dispense AUS 32 shall be fitted with
at least one mechanical and electrical coupling compliant with 4.3.1. It is permitted to also fit additional
alternative filling couplings to suit local conditions at the fuelling point where alternative AUS 32
couplings are fitted to the vehicles serviced in this location.
Mobile refilling points to dispense AUS 32 shall be fitted with couplings compliant with 4.3.1. or suitable
for use with the open system described in 4.4.
4.2 On vehicles
4.2.1 On board AUS 32 system
The AUS 32 system from the inlet up to and including the storage tank shall be able to withstand the
maximum pressure and flow rate shown in 4.3.2.
All parts of the AUS 32 storage tank and pipework on the vehicle that come into contact with the AUS 32
shall be chemically and structurally stable under known service conditions and shall be corrosion free.
Materials likely to come into contact with the AUS 32 shall be resistant to attack by the AUS 32.
4.2.2 Mechanical coupling for AUS 32 fluid supply
Vehicles shall be fitted with the male part of a self sealing coupling compliant to NATO STANAG-3756,
with a nominal diameter of 25 mm,
...

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