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BS EN 12806:2022 – TC:2023 Edition

BS EN 12806:2022 – TC:2023 Edition

$280.87

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

Published By Publication Date Number of Pages
BSI 2023 192
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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.

PDF Catalog

PDF Pages PDF Title
1 30465944
109 A-30424387
110 undefined
117 1 Scope
2 Normative references
118 3 Terms, definitions and abbreviations
3.1 Terms and definitions
121 3.2 Abbreviations
122 4 Technical requirements
4.1 General
123 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
124 4.2.4 Components containing high and low pressure parts
4.3 Materials
4.4 Design temperature
5 Classification of components
5.1 General
125 5.2 Classification of automatic valves
6 Construction and workmanship
7 Tests
7.1 General
127 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
128 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
129 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
130 7.5.1.3 Test No. 2
7.5.2 Excess flow valve
7.5.2.1 General
131 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
132 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
133 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
134 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
135 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
136 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
137 8 Markings
138 Annex A (informative)Classification of automotive LPG components
139 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
140 B.2 Level indicator
B.2.1 Design criteria
B.2.2 Specific design rules
B.2.3 Test procedures
141 B.3 Float
B.3.1 Design criteria
B.3.2 Specific design rules
B.3.3 Test procedures
142 B.4 Pressure relief valve
B.4.1 Design criteria
B.4.2 Specific design rules
B.4.3 Test procedures
143 B.5 Remote-controlled service valve with excess flow valve
B.5.1 Design criteria
B.5.2 Specific design rules
144 B.5.3 Test procedures
B.6 Excess flow valve
B.6.1 Design criteria
B.6.2 Specific design rules
145 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
146 B.7.4 Test procedures to be applied
147 B.8 Manual shut-off container valve
B.8.1 Design criteria
B.8.2 Specific design rules
B.8.3 Test procedures
148 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
150 Annex D (normative)Requirements for the gas-tight housing
D.1 Design criteria
D.2 Specific design rules
D.3 Applicable tests
151 Annex E (normative)Requirements for the power supply bushing
E.1 Design criteria
E.2 Specific design rules
E.3 Applicable tests
152 Annex F (normative)Requirements for the non-return valve
F.1 Design criteria
F.2 Specific design rules
F.3 Applicable tests
153 Annex G (normative)Requirements for the multi-valve
G.1 Design criteria
G.2 Specific design rules
G.3 Applicable tests
154 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
155 H.3.2 Class 2/2A
156 Annex I (normative)Requirements for the remote-controlled shut-off valve
I.1 Design criteria
I.2 Specific design rules
I.3 Applicable tests
157 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
158 J.2 Mixing unit
J.2.1 Design criteria
J.2.2 Specific design rules
J.2.3 Applicable tests
159 Annex K (normative)Requirements for the LPG dosage unit
K.1 Design criteria
K.2 Specific design rules
K.3 Applicable tests
160 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
161 L.2.3 Synthetic hose
L.2.4 Couplings
L.2.5 Assembly of hose and couplings
L.3 Tests
L.3.1 Lining
162 L.3.2 Cover
164 L.3.3 Uncoupled hose
165 L.3.4 The assembly of hose and couplings
166 L.3.5 Bending test
L.3.5.1 Test procedure
167 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
168 Annex M (normative)Requirements for the hydrostatic relief valve
M.1 Design criteria
M.2 Specific design rules
M.3 Applicable tests
169 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
170 N.3.2 Class 2 and/or 2A parts
171 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
173 Annex P (normative)Requirements for the service coupling
P.1 Design criteria
P.2 Specific design rules
P.3 Applicable tests procedure
174 Annex Q (normative)Requirements for the Electronic Control Unit (ECU)
Q.1 Design criteria
Q.2 Specific design rules
175 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
177 Annex S (normative)Requirements for the filling unit
S.1 Design criteria
S.2 Specific design rules
S.2.1 General
178 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
179 S.3.2 Impact test
S.3.2.1 General requirements
S.3.3 Test procedure
S.3.4 Test interpretation
180 S.4 Main dimensions of different types of vehicle filling units in use in Europe
184 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
185 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
186 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
187 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
188 U.1.3 Electronic Control Unit (ECU)
189 U.1.4 Provisions on the compatibility of metallic and non-metallic components and parts with petrol

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BS EN 12806:2022 - TC
$280.87