EN 12806:2022

LPG equipment and accessories - Automotive liquefied petroleum gas components - Other than containers

This document specifies the general design and testing requirements for all components in automotive Liquefied Petroleum Gas (LPG) propulsion systems, which have a maximum allowable pressure equal to or greater than 20 kPa.
This document also specifies the requirements for the Electric Control Unit (ECU), which is not subjected to pressure, and the gas-tight housing which has a maximum allowable pressure below 20 kPa.
This document does not apply to containers.

Flüssiggas-Geräte und Ausrüstungsteile - Bauteile für Autogasanlagen/Treibgasanlagen - Bauteile, ausgenommen Autogastanks

Dieses Dokument legt die allgemeinen Auslegungs- und Prüfanforderungen an alle Bauteile in Autogas (LPG)-Antriebsanlagen (en: Liquefied Petroleum Gas) mit einem maximal zulässigen Druck von gleich oder größer 20 kPa fest.
Dieses Dokument legt auch die Anforderungen an das elektronische Steuergerät (ECU, en: electronic control unit), das nicht druckbeaufschlagt ist, sowie an den gasdichten Armaturenkasten fest, der einen maximal zulässigen Druck von weniger als 20 kPa hat.
Dieses Dokument gilt nicht für Autogastanks.

Équipements pour GPL et leurs accessoires - Composants pour véhicules au gaz de pétrole liquéfié - Composants autres que le réservoir

Le présent document spécifie la conception générale et les exigences relatives aux essais, pour tous les composants des véhicules à moteur utilisant, en tant que carburant, le gaz de pétrole liquéfié (GPL) dans leur système de propulsion, et ayant une pression maximale admissible supérieure ou égale à 20 kPa.
Le présent document spécifie également les exigences pour le module de contrôle électronique (ECU) qui n'est pas soumis à la pression, et le capot étanche qui a une pression maximale admissible inférieure à 20 kPa.
Le présent document ne s'applique pas aux réservoirs.

Oprema in pribor za utekočinjeni naftni plin (UNP) - Sestavni deli pogonov motornih vozil na UNP - Sestavni deli, razen posod za gorivo

General Information

• Status: Published
• Publication Date: 25-Oct-2022
• ICS: 43.060.40 - Fuel systems
• Technical Committee: CEN/TC 286 - Liquefied petroleum gas equipment and accessories
• Drafting Committee: CEN/TC 286/WG 6 - Automative LPG system
• Current Stage: 6060 - Definitive text made available (DAV) - Publishing
• Start Date: 26-Oct-2022
• Due Date: 11-Sep-2021
• Completion Date: 26-Oct-2022
• 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/071 - Mandate to CEN for standardization in the field of Pressure equipment
• 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 12806:2022 - LPG equipment and accessories - Automotive liquefied petroleum gas components - Other than containers

Relations

• Replaces: EN 12806:2003 - Automotive liquefied petroleum gas components - Other than containers
• Effective Date: 27-Mar-2019

Standards Content (Sample)

SLOVENSKI STANDARD
01-december-2022
Nadomešča:
SIST EN 12806:2003
Oprema in pribor za utekočinjeni naftni plin (UNP) - Sestavni deli pogonov
motornih vozil na UNP - Sestavni deli, razen posod za gorivo
LPG equipment and accessories - Automotive liquefied petroleum gas components -
Other than containers
Flüssiggas-Geräte und Ausrüstungsteile - Bauteile für Autogasanlagen/Treibgasanlagen
- Bauteile, ausgenommen Autogastanks
Équipements pour GPL et leurs accessoires - Composants pour véhicules au gaz de
pétrole liquéfié - Composants autres que le réservoir
Ta slovenski standard je istoveten z: EN 12806:2022
ICS:
43.060.40 Sistemi za gorivo Fuel systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EN 12806
EUROPEAN STANDARD
NORME EUROPÉENNE
October 2022
EUROPÄISCHE NORM
ICS 43.060.40 Supersedes EN 12806:2003
English Version
LPG equipment and accessories - Automotive liquefied
petroleum gas components - Other than containers
Équipements pour GPL et leurs accessoires - Flüssiggas-Geräte und Ausrüstungsteile - Bauteile für
Composants pour véhicules au gaz de pétrole liquéfié - Autogasanlagen/Treibgasanlagen - Bauteile,
Composants autres que le réservoir ausgenommen Autogastanks
This European Standard was approved by CEN on 8 May 2022.

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
© 2022 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 12806:2022 E
worldwide for CEN national Members.

Contents Page
European foreword . 5
Introduction . 6
1 Scope . 7
2 Normative references . 7
3 Terms, definitions and abbreviations . 8
3.1 Terms and definitions . 8
3.2 Abbreviations . 11
4 Technical requirements. 12
4.1 General . 12
4.2 General design rules . 13
4.3 Materials . 14
4.4 Design temperature . 14
5 Classification of components . 14
5.1 General . 14
5.2 Classification of automatic valves . 15
6 Construction and workmanship . 15
7 Tests . 15
7.1 General . 15
7.2 Overpressure test . 17
7.3 External leak tests. 17
7.4 Seat leak test . 18
7.5 Operational tests . 19
7.6 Endurance test . 22
7.7 Vibration test . 22
7.8 LPG compatibility test (for rubber materials) . 24
7.9 Corrosion resistance test . 25
7.10 Resistance to dry heat test . 25
7.11 Ozone ageing test . 26
7.12 Creep test . 26
7.13 Temperature cycle test . 26
8 Markings . 27
Annex A (informative) Classification of automotive LPG components . 28
Annex B (normative) Requirements for the components fitted in or on the container . 29
B.1 80 % stop valve . 29
B.2 Level indicator . 30
B.3 Float . 31
B.4 Pressure relief valve . 32
B.5 Remote-controlled service valve with excess flow valve . 33
B.6 Excess flow valve . 34
B.7 Pressure Relief Device (PRD) . 35
B.8 Manual shut-off container valve . 37
Annex C (normative) Requirements for the fuel pump . 38
C.1 Design criteria . 38
C.2 Specific design rules . 38
C.3 Test procedures . 38
Annex D (normative) Requirements for the gas-tight housing . 40
D.1 Design criteria . 40
D.2 Specific design rules . 40
D.3 Applicable tests . 40
Annex E (normative) Requirements for the power supply bushing. 41
E.1 Design criteria . 41
E.2 Specific design rules . 41
E.3 Applicable tests . 41
Annex F (normative) Requirements for the non-return valve . 42
F.1 Design criteria . 42
F.2 Specific design rules . 42
F.3 Applicable tests . 42
Annex G (normative) Requirements for the multi-valve . 43
G.1 Design criteria . 43
G.2 Specific design rules . 43
G.3 Applicable tests . 43
Annex H (normative) Requirements for the vaporizer/pressure regulator . 44
H.1 Design criteria . 44
H.2 Specific design rules . 44
H.3 Applicable tests . 44
Annex I (normative) Requirements for the remote-controlled shut-off valve . 46
I.1 Design criteria . 46
I.2 Specific design rules . 46
I.3 Applicable tests . 46
Annex J (normative) Requirements for LPG injectors and the mixing unit . 47
J.1 Injector . 47
J.2 Mixing unit . 48
Annex K (normative) Requirements for the LPG dosage unit . 49
K.1 Design criteria . 49
K.2 Specific design rules .
...