BS EN 12806:2022

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

Published By	Publication Date	Number of Pages
BSI	2022	84

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Categories: 43.060.40 - Fuel systems, BSI

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Description

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.

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PDF Pages	PDF Title
2	undefined
9	1 Scope 2 Normative references
10	3 Terms, definitions and abbreviations 3.1 Terms and definitions
13	3.2 Abbreviations
14	4 Technical requirements 4.1 General
15	4.2 General design rules 4.2.1 Electrically operated devices containing LPG 4.2.2 Remotely operated valves 4.2.3 Heat exchanger materials
16	4.2.4 Components containing high and low pressure parts 4.3 Materials 4.4 Design temperature 5 Classification of components 5.1 General
17	5.2 Classification of automatic valves 6 Construction and workmanship 7 Tests 7.1 General
19	7.2 Overpressure test 7.2.1 General 7.2.2 Test procedure 7.2.3 Interpretation of the test 7.3 External leak tests 7.3.1 Type approval test 7.3.1.1 General 7.3.1.2 Test procedure
20	7.3.1.3 Leak rate determination 7.3.1.4 Test interpretation 7.3.2 Production (routine) testing 7.4 Seat leak test 7.4.1 Type approval testing 7.4.1.1 General 7.4.1.2 Test procedure
21	7.4.1.3 Test interpretation 7.4.2 Production (routine) testing 7.5 Operational tests 7.5.1 Pressure relief valve and hydrostatic relief valve 7.5.1.1 General 7.5.1.2 Test No. 1
22	7.5.1.3 Test No. 2 7.5.2 Excess flow valve 7.5.2.1 General
23	7.5.2.2 Test interpretation 7.5.3 80 % stop valve 7.5.3.1 General 7.5.3.2 Test procedure 7.5.3.3 Test interpretation 7.5.4 Fusible plug 7.5.4.1 Test procedure
24	7.5.4.2 Test interpretation 7.6 Endurance test 7.6.1 General 7.6.2 Test procedure 7.6.3 Test interpretation 7.7 Vibration test 7.7.1 General
25	7.7.2 Test procedure 7.7.2.1 Equipment and mounting techniques 7.7.2.2 Procedure A 7.7.2.3 Procedure B
26	7.7.2.4 Subsequent testing 7.7.2.5 Test interpretation 7.8 LPG compatibility test (for rubber materials) 7.8.1 Test procedure
27	7.8.2 Test interpretation 7.9 Corrosion resistance test 7.9.1 Test procedure 7.9.1.1 General 7.9.1.2 Test procedure for a metallic component subject to LPG pressure 7.9.1.3 Additional test procedures for copper or brass components subject to LPG pressure 7.9.2 Test interpretation 7.10 Resistance to dry heat test 7.10.1 General 7.10.2 Test procedure 7.10.3 Test interpretation
28	7.11 Ozone ageing test 7.11.1 General 7.11.2 Test procedure 7.11.3 Test interpretation 7.12 Creep test 7.12.1 Test procedure 7.12.2 Test interpretation 7.13 Temperature cycle test 7.13.1 Test procedure 7.13.2 Test interpretation
29	8 Markings
30	Annex A (informative)Classification of automotive LPG components
31	Annex B (normative)Requirements for the components fitted in or on the container B.1 80 % stop valve B.1.1 Design criteria B.1.2 Specific design rules B.1.3 Test procedures
32	B.2 Level indicator B.2.1 Design criteria B.2.2 Specific design rules B.2.3 Test procedures
33	B.3 Float B.3.1 Design criteria B.3.2 Specific design rules B.3.3 Test procedures
34	B.4 Pressure relief valve B.4.1 Design criteria B.4.2 Specific design rules B.4.3 Test procedures
35	B.5 Remote-controlled service valve with excess flow valve B.5.1 Design criteria B.5.2 Specific design rules
36	B.5.3 Test procedures B.6 Excess flow valve B.6.1 Design criteria B.6.2 Specific design rules
37	B.6.3 Test procedures B.7 Pressure Relief Device (PRD) B.7.1 General B.7.2 Design criteria B.7.3 Specific design rules for the fusible plug
38	B.7.4 Test procedures to be applied
39	B.8 Manual shut-off container valve B.8.1 Design criteria B.8.2 Specific design rules B.8.3 Test procedures
40	Annex C (normative)Requirements for the fuel pump C.1 Design criteria C.2 Specific design rules C.3 Test procedures C.3.1 Fuel pump mounted inside the container C.3.2 Fuel pump mounted outside the container
42	Annex D (normative)Requirements for the gas-tight housing D.1 Design criteria D.2 Specific design rules D.3 Applicable tests
43	Annex E (normative)Requirements for the power supply bushing E.1 Design criteria E.2 Specific design rules E.3 Applicable tests
44	Annex F (normative)Requirements for the non-return valve F.1 Design criteria F.2 Specific design rules F.3 Applicable tests
45	Annex G (normative)Requirements for the multi-valve G.1 Design criteria G.2 Specific design rules G.3 Applicable tests
46	Annex H (normative)Requirements for the vaporizer/pressure regulator H.1 Design criteria H.2 Specific design rules H.3 Applicable tests H.3.1 Class 0/1
47	H.3.2 Class 2/2A
48	Annex I (normative)Requirements for the remote-controlled shut-off valve I.1 Design criteria I.2 Specific design rules I.3 Applicable tests
49	Annex J (normative)Requirements for LPG injectors and the mixing unit J.1 Injector J.1.1 Design criteria J.1.2 Specific design rules J.1.3 Applicable tests
50	J.2 Mixing unit J.2.1 Design criteria J.2.2 Specific design rules J.2.3 Applicable tests
51	Annex K (normative)Requirements for the LPG dosage unit K.1 Design criteria K.2 Specific design rules K.3 Applicable tests
52	Annex L (normative)Requirements for the flexible hoses L.1 Design criteria L.2 Specific design rules L.2.1 General L.2.2 Rubber hose
53	L.2.3 Synthetic hose L.2.4 Couplings L.2.5 Assembly of hose and couplings L.3 Tests L.3.1 Lining
54	L.3.2 Cover
56	L.3.3 Uncoupled hose
57	L.3.4 The assembly of hose and couplings
58	L.3.5 Bending test L.3.5.1 Test procedure
59	L.3.5.2 Test interpretation L.3.6 Impulse test L.3.6.1 Test procedure L.3.6.2 Test interpretation L.4 Markings
60	Annex M (normative)Requirements for the hydrostatic relief valve M.1 Design criteria M.2 Specific design rules M.3 Applicable tests
61	Annex N (normative)Requirements for the filter unit N.1 Design criteria N.2 Specific design rules N.3 Applicable tests N.3.1 Class 1 parts
62	N.3.2 Class 2 and/or 2A parts
63	Annex O (normative)Requirements for the pressure and/or temperature sensor O.1 Design criteria O.2 Specific design rules O.3 Applicable tests O.3.1 Class 1 O.3.2 Class 2 and/or 2A
65	Annex P (normative)Requirements for the service coupling P.1 Design criteria P.2 Specific design rules P.3 Applicable tests procedure
66	Annex Q (normative)Requirements for the Electronic Control Unit (ECU) Q.1 Design criteria Q.2 Specific design rules
67	Annex R (normative)Requirements for the fuel rail R.1 Design criteria R.2 Specific design rules R.3 Applicable tests R.3.1 Class 0/1 fuel rails R.3.2 Class 2 and/or 2A fuel rails
69	Annex S (normative)Requirements for the filling unit S.1 Design criteria S.2 Specific design rules S.2.1 General
70	S.2.2 Specific requirements for the light vehicle Euro filling unit S.2.3 Specific requirements for the heavy-duty Euro filling unit S.3 Applicable tests S.3.1 General
71	S.3.2 Impact test S.3.2.1 General requirements S.3.3 Test procedure S.3.4 Test interpretation
72	S.4 Main dimensions of different types of vehicle filling units in use in Europe
76	Annex T (normative)Gas tube(s) T.1 General provisions T.2 Gas tubes of seamless type made of either copper or stainless steel or steel with corrosion-resistant coating T.3 Gas tube(s) of non-seamless type, gas tube(s) made of materials other than copper, stainless steel, and steel with corrosion-resistant coating, and their couplings T.3.1 Design criteria T.3.2 General design rules
77	T.3.3 Applicable tests T.3.3.1 Class 0/1 gas tube(s) T.3.3.2 Class 2/2A gas tube(s) T.3.4 Specific design rules T.3.4.1 Endurance test T.3.4.2 Bending test on the gas tube
78	T.3.4.3 Excess torque resistance T.3.4.4 Vibration test T.3.4.5 Pull-off T.3.4.6 Brass material compatibility
79	Annex U (normative)Interconnected LPG systems U.1 Specific provisions for components of interconnected LPG-systems U.1.1 Remotely controlled shut-off valve U.1.2 Non return valve U.1.2.1 General U.1.2.2 Endurance test for non-return valves in interconnected LPG systems
80	U.1.3 Electronic Control Unit (ECU)
81	U.1.4 Provisions on the compatibility of metallic and non-metallic components and parts with petrol

Additional information

Status	Definitive
Pages	84
Publication Date	2022-11-01
ISBN	978 0 539 14650 9
Standard Number	BS EN 12806:2022
Title	LPG equipment and accessories. Automotive liquefied petroleum gas components. Other than containers
Identical National Standard Of	EN 12806
Replaces	BS EN 12806:2003
Descriptors	Liquid gas cylinders, Petroleum products, Liquefied petroleum gas, Pressure, Test pressure, Containers
Publisher	BSI
Committee	PVE/19
ICS Codes	43.060.40 - Fuel systems

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