SIST EN 13012:2021

Petrol filling stations - Construction and performance of automatic nozzles for use on fuel dispensers

This document specifies safety and environmental requirements for the construction and performance of nozzles to be fitted to metering pumps and dispensers installed at filling stations and which are used to dispense liquid fuels and aqueous urea solution into the tanks of motor vehicles, boats and light aircraft and into portable containers, at flow rates up to 200 l · min−1.
This document applies to fuels of subdivision Group IIA according to EN ISO/IEC 80079-20-1 and also aqueous urea solution according to ISO 22241-1. The requirements apply to automatic nozzles dispensing liquid at ambient temperatures from −20 °C to +40 °C with the possibility for an extended temperature range.
This document does not apply to equipment dispensing compressed or liquefied gases.
This document does not include any requirements for metering performance. Vapour recovery efficiency rates are not covered in this document.

Tankstellen - Anforderungen an Bau und Arbeitsweise von automatischen Zapfventilen für die Benutzung an Zapfsäulen

Dieses Dokument legt die sicherheitstechnischen Anforderungen und Umweltanforderungen an den Bau und die Arbeitsweise von Zapfventilen fest, die an Zapfsäulen und druckversorgten Zapfsäulen an Tankstellen installiert werden für die Abgabe von flüssigen Kraftstoffen und wässriger Harnstofflösung in Tanks von Kraftfahrzeugen, Booten und Leichtflugzeugen sowie in tragbare Behälter bei Durchflussraten von bis zu 200 l · min−1.
Dieses Dokument gilt für Kraftstoffe der Unterbereichsgruppe IIA nach EN ISO/IEC 80079-20-1 und auch für wässrige Harnstofflösung nach ISO 22241-1. Die Anforderungen gelten für automatische Zapfventile für die Abgabe von Flüssigkeiten bei Umgebungstemperaturen von −20 °C bis +40 °C, wobei ein erweiterter Temperaturbereich möglich ist.
Dieses Dokument gilt nicht für Ausrüstung, die für die Abgabe von verflüssigten oder verdichteten Gasen vorgesehen ist.
Dieses Dokument enthält keine Anforderungen für Messausführungen. Effizienzraten für Gasrückführung werden in diesem Dokument nicht behandelt.

Stations-service - Construction et performances des pistolets automatiques de remplissage utilisés sur les distributeurs de carburant

Le présent document spécifie les exigences relatives à la sécurité et à la protection de  l'environnement pour la construction et les performances des pistolets de remplissage montés sur des ensembles de mesurage et de distribution installés dans des stations-service et utilisés pour distribuer des carburants liquides et de solution aqueuse d’urée dans des réservoirs de véhicules à moteur, de bateaux, d'avions légers et dans des réservoirs portables, à des débits pouvant atteindre 200 l . min-1.
Le présent document s'applique aux carburants du Groupe de subdvision IIA conformément à l’ISO/IEC 80079-20-1 et aussi aux solutions aqueuses d'urée conformément à l'ISO 22241-1. Les exigences concernent les pistolets automatiques de remplissage distribuant des liquides, à des températures de -20 °C à +40 °C avec la possibilité d’une gamme de température étendue.
Le présent document ne s’applique pas aux équipements mettant en œuvre du gaz de pétrole liquéfié ou compressé.
Le présent document ne comprend aucune exigence concernant les performances métrologiques. Les taux d'efficacité de la récupération de vapeur ne sont pas abordés dans le présent document.

Bencinski servisi - Izdelava in lastnosti avtomatskih točilnih ventilov, vgrajenih v napravah za točenje goriva

General Information

• Status: Published
• Public Enquiry End Date: 03-Dec-2018
• Publication Date: 14-Nov-2021
• ICS: 75.200 - Petroleum products and natural gas handling equipment
• Technical Committee: TLP - Pressure vessels
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Oct-2021
• Due Date: 06-Dec-2021
• Completion Date: 15-Nov-2021
• Directive: 2014/34/EU - Directive 2014/34/EU Of The European Parliament And Of The Council of 26 February 2014 on the harmonisation of the laws of the Member States relating to equipment and protective systems intended for use in potentially explosive atmospheres (recast)
• Mandate: M/BC/CEN/92/46 - Standardization mandate assigned to CEN/CENELEC concerning equipment and protective systems intended for use in potentially explosive atmospheres
• Ref Project: EN 13012:2021 - Petrol filling stations - Construction and performance of automatic nozzles for use on fuel dispensers

Relations

• Replaces: SIST EN 13012:2012 - Petrol filling stations - Construction and performance of automatic nozzles for use on fuel dispenser
• Effective Date: 01-Dec-2021

Overview - EN 13012:2021 (petrol filling stations, automatic nozzles)

EN 13012:2021 is the CEN European standard that specifies safety and environmental requirements for the construction and performance of automatic nozzles fitted to metering pumps and dispensers at petrol filling stations. It covers nozzles used to dispense liquid fuels (fuels of subdivision Group IIA) and aqueous urea solution (AUS 32) into vehicles, boats, light aircraft and portable containers at flow rates up to 200 l·min−1. The standard applies for normal ambient temperatures from −20 °C to +40 °C (with provision for extended ranges). It excludes equipment for compressed or liquefied gases and does not set metering performance or vapour recovery efficiency rates.

Key topics and technical requirements

• Scope & classification
  • Applies to Group IIA fuels and ISO 22241-1 aqueous urea solution.
  • Nozzles classified Type I (max flow ≤ 80 l·min−1) and Type II (max flow > 80 to ≤ 200 l·min−1).
• Construction & materials
  • Materials must be chemically and dimensionally stable and compatible with fuels; manufacturers must demonstrate conformity.
  • Explosion protection: nozzle body Category 2G, Group II, EPL Gb; vapour recovery path components Category 1G, EPL Ga. Temperature class T3, Group IIA.
• Functional safety features
  • Automatic shut-off to prevent overfilling.
  • Attitude device to prevent delivery unless spout points down.
  • Automatic de-activating mechanism to prevent flow on re‑energizing while lever is open.
  • Latch (optional, must be disable-able), guard, check valve, and main valve design and safety.
• Inlet thread standards
  • Two inlet styles: Style 1 for no vapour recovery (parallel threads per EN ISO 228‑1, flat gaskets) and Style 2 for vapour recovery (M34 × 1,5 female; specified machining and thread depth).
• Testing, marking & environment
  • Normative test procedures (Annex B) include electrical resistance, pressure, drop, tightness, automatic shut‑off, attitude device, line shock and preconditioning tests.
  • Requirements for marking, instructions and environmental aspects are included.

Applications - who uses EN 13012:2021

• Nozzle and dispenser manufacturers designing compliant automatic fuel nozzles.
• Fuel dispenser OEMs and system integrators ensuring component compatibility.
• Testing and certification bodies validating safety, explosion protection and mechanical performance.
• Fuel station operators, installers and regulators for procurement, compliance and safety audits.
• Maintenance providers for repair and replacement guidance.

Related standards

• EN 13617‑1:2021 (metering pumps & dispensers safety)
• EN 13617‑2:2021 (safe breaks)
• EN 1360:2013 (hoses for fuel dispensing)
• EN IEC 60079‑0 / EN ISO 80079‑36 (explosive atmospheres)
• ISO 22241‑1 (AUS 32 quality)
• ISO 9158 / ISO 9159 (spout dimensions)

Keywords: EN 13012:2021, petrol filling stations, automatic nozzles, fuel dispensers, aqueous urea solution, safety requirements, vapour recovery, nozzle construction.

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2021
Nadomešča:
SIST EN 13012:2012
Bencinski servisi - Izdelava in lastnosti avtomatskih točilnih ventilov, vgrajenih v
napravah za točenje goriva
Petrol filling stations - Construction and performance of automatic nozzles for use on fuel
dispensers
Tankstellen - Anforderungen an Bau und Arbeitsweise von automatischen Zapfventilen
für die Benutzung an Zapfsäulen
Stations-service - Construction et performances des pistolets automatiques de
remplissage utilisés sur les distributeurs de carburant
Ta slovenski standard je istoveten z: EN 13012:2021
ICS:
75.200 Oprema za skladiščenje Petroleum products and
nafte, naftnih proizvodov in natural gas handling
zemeljskega plina equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 13012
EUROPEAN STANDARD
NORME EUROPÉENNE
September 2021
EUROPÄISCHE NORM
ICS 75.200 Supersedes EN 13012:2012
English Version
Petrol filling stations - Construction and performance of
automatic nozzles for use on fuel dispensers
Stations-service - Construction et performances des Tankstellen - Anforderungen an Bau und Arbeitsweise
pistolets automatiques de remplissage utilisés sur les von automatischen Zapfventilen für die Benutzung an
distributeurs de carburant Zapfsäulen
This European Standard was approved by CEN on 14 June 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 13012:2021 E
worldwide for CEN national Members.

Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 6
4 Construction . 7
4.1 General . 7
4.2 Guard . 8
4.3 Inlet threads . 8
4.4 Safe break. 10
4.5 Latch . 10
4.6 Automatic de-activating mechanism . 10
5 Physical properties . 10
6 Functional requirements. 10
7 Frequency of testing . 11
8 Marking and instruction . 12
9 Environmental aspects . 13
Annex A (normative) Test preconditioning . 14
A.1 General . 14
A.2 Bending moment preconditioning . 14
A.3 Liquid compatibility pre-conditioning . 14
Annex B (normative) Test methods . 15
B.1 Electrical resistance test . 15
B.2 Pressure test . 15
B.3 Drop test . 15
B.4 Tightness test 1 . 16
B.5 Automatic shut-off device test 1 . 16
B.6 Drain test . 18
B.7 Attitude device test 1 . 18
B.8 Attitude device test 2 . 19
B.9 Automatic de-activating mechanism test . 19
B.10 Line shock generated test . 20
B.11 Tightness test 2 . 20
B.12 Automatic shut-off device test 2 . 20
B.13 Attitude device test 3 . 20
Annex C (informative) Environmental aspects . 21
Annex ZA (informative) Relationship between this European Standard and the essential
requirements of Directive 2014/34/EU aimed to be covered . 24
Bibliography . 26

European foreword
This document (EN 13012:2021) has been prepared by Technical Committee CEN/TC 393 “Equipment
for storage tanks and for filling stations”, 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 March 2022, and conflicting national standards shall be
withdrawn at the latest by March 2024.
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 supersedes EN 13012:2012.
This document has been prepared under a mandate given to CEN by the European Commission and the
European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this
document.
In comparison with the 2012 edition, the following significant changes were made:
— nozzles for aqueous urea solution added;
— Table 2 corrected to ensure compatibility between components according to EN 13012:2021,
EN 13617-2:2021, EN 13617-4:2021 and EN 1360:2013.
— the liquid compatibility preconditioning fluid for fuel nozzles is defined in EN 13617-1:2021.
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, Turkey and the United
Kingdom.
1 Scope
This document specifies safety and environmental requirements for the construction and performance
of nozzles to be fitted to metering pumps and dispensers installed at filling stations and which are used
to dispense liquid fuels and aqueous urea solution into the tanks of motor vehicles, boats and light aircraft
−1
.
and into portable containers, at flow rates up to 200 l · min
This document applies to fuels of subdivision Group IIA according to EN ISO/IEC 80079-20-1 and also
aqueous urea solution according to ISO 22241-1. The requirements apply to automatic nozzles
dispensing liquid at ambient temperatures from −20 °C to +40 °C with the possibility for an extended
temperature range.
This document does not apply to equipment dispensing compressed or liquefied gases.
This document does not include any requirements for metering performance. Vapour recovery efficiency
rates are not covered in this document.
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 1360:2013, Rubber and plastic hoses and hose assemblies for measured fuel dispensing systems -
Specification
EN 13617-1:2021, Petrol filling stations - Part 1: Safety requirements for construction and performance of
metering pumps, dispensers and remote pumping units
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
EN 60204-1:2018, Safety of machinery - Electrical equipment of machines - Part 1: General requirements
(IEC 60204-1:2016, modified)
EN IEC 60079-0:2018, Explosive atmospheres - Part 0: Equipment - General requirements
(IEC 60079-0:2017)
EN ISO 228-1:2003, Pipe threads where pressure-tight joints are not made on the threads - Part 1:
Dimensions, tolerances and designation (ISO 228-1:2000)
EN ISO 80079-36:2016, Explosive atmospheres - Part 36: Non-electrical equipment for explosive
atmospheres - Basic method and requirements (ISO 80079-36:2016)
ISO 261:1998, ISO general purpose metric screw threads — General plan
ISO 965-2:1998, ISO general purpose metric screw threads — Tolerances — Part 2: Limits of sizes for
general purpose external and internal screw threads — Medium quality
ISO 9158:1988, Road vehicles — Nozzle spouts for unleaded gasoline
ISO 9159:1988, Road vehicles — Nozzle spouts for leaded gasoline and diesel fuel
ISO 11925-3:1997, Reaction to fire tests — Ignitability of building products subjected to direct impingement
of flame — Part 3: Multi-source test
ISO 22241-1:2019, Diesel engines — NOx reduction agent AUS 32 — Part 1: Quality requirements
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:
— ISO Online browsing platform: available at https://www.iso.org/obp
— IEC Electropedia: available at https://www.electropedia.org/
3.1
nozzle
manually operated device that controls the flow of liquid medium during a dispensing operation and
includes a spout and an automatic shut-off mechanism
3.2
vapour recovery nozzle
nozzle that additionally includes a path through which vapour can be recovered
3.3
automatic shut-off
function that automatically stops the fluid flow to prevent overfilling
3.4
attitude device
means to prevent delivery unless the spout is pointing down
3.5
automatic de-activating mechanism
means to prevent flow if the system is re-energized while the operating lever is in an open position
3.6
operating device
mechanism by which the main valve is controlled by the user
3.7
main valve
device controlling the fluid flow
3.8
latch
mechanism to hold the operating lever in an open position
3.9
guard
structure to protect the operating lever
3.10
spout
device to guide the flow of fluid into a tank of a motor vehicle, boat and light aircraft or portable container
3.11
check valve
device to restrict the hose draining through the nozzle
3.12
flow rate
flow of fluid obtained under normal working conditions
−1 3 −1
Note 1 to entry: in l · min or m · h .
3.13
line shock
peak pressure developed when fluid flow is stopped from full flow by the nozzle
3.14
spout axis angle
angle of the spout axis to horizontal above which no flow through the nozzle is allowed
3.15
maximum flow rate
upper limit of flow rate range, specified by the manufacturer
4 Construction
4.1 General
Materials used in the construction of nozzles shall be chemically and dimensionally stable under known
service conditions. Materials likely to come into contact with fuels, both in liquid and vapour phases, shall
be resistant to attack by these fuels. Conformity shall be demonstrated by manufacturers' declarations
and by the tests detailed in Annex B.
The nozzle shall be explosion-protected and shall be Category 2G, Group II, EPL Gb in accordance with
EN ISO 80079-36:2016. Components fitted to the spout and within the vapour recovery path shall be
Category 1G, Group II, EPL Ga in accordance with EN ISO 80079-36:2016. The nozzle shall fulfil the
requirements for temperature class T3 and group IIA according to EN IEC 60079-0:2018 or
EN ISO 80079-36:2016. The nozzle shall have a manually controlled operating device, which may
incorporate an integral latch, to control the liquid flow. Where a latch is provided, it shall be possible to
disable the latching function.
The surfaces and mechanisms of the nozzle which, in normal operation, come into contact with the
operator shall be such that they present no risk of injury. Conformity to this requirement is demonstrated
by visual inspection of a nozzle.
Nozzles shall be classified as Type I or Type II according to the delivery characteristics given in Table 1.
Table 1 — Types of construction
Value Type I Type II
−1 −1
Maximum flow rate
≤ 80 l · min > 80 l · min
−1
≤ 200 l · min
Dimension of the spout According to ISO 9158:1988 or Not specified
ISO 9159:1988
Position of the sensor According to ISO 9158:1988 or ≤ 50 mm from plane of spout tip
ISO 9159:1988
Spout axis angle 0° +2°
4.2 Guard
A guard shall be provided to prevent accidental misuse of the operating device.
4.3 Inlet threads
Inlet threads shall be of one of the following two styles.
a) Style 1 — for nozzles without a vapour recovery path.
For nozzles without a vapour recovery path, using parallel threads for the hose connection in accordance
with EN ISO 228-1:2003, the sealing surfaces of the internal and external threads shall be designed such
that they are suitable for use with flat gaskets.
b) Style 2 — for nozzles with a vapour recovery path.
M 34 × 1,5 Female, in accordance with ISO 261:1998 and ISO 965-2:1998.
The total thread depth shall be not less than 15,0 mm. The inlet end shall be machined to a diameter of
(35,0 ± 0,05) mm for a length (6,0 ± 0,1) mm.
Inlet thread dimensions shall be in accordance with Table 2.
Table 2 — Thread specification for style 1
Nominal inlet size Female threads Male threads
a b
Thread depth Minimum engagement
l mm l mm
a b
d See Figure 1. See Figure 2.
3/4” 12,0
12,0
−05,
1” 13,0
13,0
−05,
1 1/4” 15,0
15,0
−05,
1 1/2” 18,0
18,0
−05,
a
The thread depth, measured from the outer fore-part to the metallic inner sealing face.
b
The stated minimum length only applies if the female thread of the hose fitting includes an inner flat gasket.

In case of using an outer flat gasket, the male threads may be shorter than the dimensions in this table.
Dimensions in millimetres
Key
l female thread depth
a
d nominal inlet size
Figure 1 — Female inlet thread

Key
l male thread minimum engagement
b
d nominal inlet size
Figure 2 — Male inlet thread
4.4 Safe break
Where a nozzle is provided with a safe break, this shall fulfil the requirements according to
EN 13617-2:2021.
4.5 Latch
Where a latch is provided and in use, it shall be capable of being normally disarmed by the user.
4.6 Automatic de-activating mechanism
If an automatic de-activating mechanism exists entirely in the nozzle, it shall fulfil the requirements
specified in Clause 6.
5 Physical properties
The physical properties of the nozzle shall conform to the requirements given in Table 3 when tested in
accordance with the methods indicated.
Table 3 — Physical properties of nozzle
Property Requirement Test method
Electrical resistance of any point on the spout ≤ 100 kΩ for each B.1
to hose coupling measurement
Electrostatic properties EN ISO 80079-36:2016, 6.7 —
Ignitability of composite materials on nozzle The material tested shall not According to
body afterflame. ISO 11925-3:1997
Ignition source C
Effect time 20 s
Surface flame impingement
Bending moment Clause 6 Annex A
Fuel compatibility for fuel nozzles Clause 6 Annex A
Characteristics of nozzle body and/or cover to Metallic enclosure
prevent dangerous, mechanically generated requirements of —
sparks (resistance to sparking) EN IEC 60079-0:2018, 8.3
6 Functional requirements
The nozzle shall conform to the operational requirements given in Table 4 and Table 5 when tested
according to the schedule given in Table 6.
Where a test liquid is required for the testing of fuel nozzles, it shall be an odourless kerosene except
where noted otherwise. Water, or a mixture of water and glycol up to 15 % by volume, shall be used for
the testing of aqueous urea solution nozzles, except where noted otherwise.
Table 4 — Operational requirements of nozzle (type tests)
Test Requirement Test method
Pressure test No quantifiable leakage or permanent deformation B.2
visible to an eye with normal visual acuity.
Drop test Functions which are relevant for safety shall not be B.3
impaired. The nozzle shall be closed after being
dropped.
Tightness test No quantifiable sign of leakage visible to an eye with B.4
normal visual acuity.
Automatic shut-off test 1 The flow of fluid shall be stopped within 1 s. B.5
Drain test The liquid measured shall be less than 10 ml. B.6
Attitude device test 1 Product flow shall stop before spout axis reaches the B.7
spout axis angle specified for the relevant type in
Table 1.
Attitude device test 2 The average volume of fluid passing nozzle valve(s) B.8
shall not exceed 0,2 % of the volume flowing in 1 min
at maximum flow ra
...