Agreement - UNECE

1 Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Equipment and Parts which can be Fitted and/or be Used on Wheeled Vehicles and the Conditions for Reciprocal Recognition of Approvals Granted on the Basis of these Prescriptions* (Revision 2, including the amendments which entered into force on 16 October 1995) _____ Addendum 109: Regulation No. 110 Revision 3 Incorporating all valid text up to: Supplement 1 to 01 series of amendments to the Regulation - Date of entry into force: 10 June 2014 Uniform provisions concerning the approval of: I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system _____ UNITED NATIONS * Former title of the Agreement : Agreement Concerning the Adoption of Uniform Conditions of Approval and Reciprocal Recognition of Approval for Motor Vehicle Equipment and Parts, done at Geneva on 20 March 1958.

2 E/ECE/324 E/ECE/TRANS/505 25 June 2014 E/ECE/324 E/ECE/TRANS/505 3 Regulation No. 110 Uniform provisions concerning the approval of: I. Specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system II. Vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system Contents Page Regulation 1. Scope .. 7 2. References .. 7 3. Classification of components .. 11 4. Definitions .. 13 Part I - Approval of specific components of motor vehicles using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system .. 19 5. Application for approval .. 19 6. Markings .. 19 7. Approval .. 20 8. Specifications on CNG and/or LNG components .. 21 9. Modifications of a type of CNG and/or LNG component and extension of approval.

3 23 10. (Not allocated) .. 23 11. Conformity of production .. 23 12. Penalties for non-conformity of production .. 24 13. (Not allocated) .. 24 14. Production definitively discontinued .. 24 15. Names and addresses of Technical Services responsible for conducting approval tests, and of Type Approval Authorities .. 24 Part II - Approval of vehicles with regard to the installation of specific components of an approved type for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system .. 25 16. Application for approval .. 25 E/ECE/324 E/ECE/TRANS/505 4 17. Approval .. 25 18. Requirements for the installation of specific components for the use of compressed natural gas and/or liquefied natural gas in the propulsion system of a vehicle .. 26 19. Conformity of production .. 33 20. Penalties for non-conformity of production .. 33 21. Modification and extension of approval of a vehicle type.

4 33 22. Production definitively discontinued .. 34 23. Names and addresses of Technical Services responsible for conducting approval tests, and of Type Approval Authorities .. 34 24. Transitional provisions .. 34 Annexes 1A Essential characteristics of the CNG/LNG components .. 36 1B Essential characteristics of the vehicle, engine and CNG/LNG-related system .. 43 2A Arrangement of the CNG/LNG component type approval mark .. 50 2B Communication concerning the approval or extension or refusal or withdrawal of approval or production definitively discontinued of a type of CNG/LNG component pursuant to Regulation No. 110 .. 51 Addendum .. 53 2C Arrangement of approval marks .. 56 2D Communication concerning the approval or extension or refusal or withdrawal of approval or production definitively discontinued of a vehicle type with regard to the installation of CNG/LNG system pursuant to Regulation No. 110 .. 57 3 On-board storage of natural gas as a fuel for automotive vehicles.

5 59 3A Gas cylinders - High pressure cylinder for the on-board storage of CNG compressed natural gas as a fuel for automotive vehicles .. 60 Appendix A - Test methods .. 88 Appendix B - (Not allocated) .. 97 Appendix C - (Not allocated) .. 98 Appendix D - Report forms .. 99 Appendix E - Verification of stress ratios using strain 101 Appendix F - Fracture performance methods .. 102 Appendix G - Instructions by the container manufacturer on handling, use and inspection of cylinders .. 106 Appendix H - Environmental test .. 108 3B Liquid tanks - Vacuum insulated vessels for the on-board storage of natural gas as a fuel for automotive vehicles .. 113 Appendix A - Test methods .. 123 Appendix B - Report 126 E/ECE/324 E/ECE/TRANS/505 5 Appendix C - Instructions by the tanks manufacturer on handling, use and inspection of tanks .. 127 Appendix D - Report form 1 .. 129 4A Provisions on the approval of the CNG automatic valve, non-return valve, pressure relief valve, pressure relief device (temperature triggered), excess flow valve, manual valve and the pressure relief device (pressure triggered).

6 130 4B Provisions on the approval of flexible fuel lines or hoses for CNG and hoses for LNG .. 134 4C Provisions on the approval of the CNG filter .. 158 4D Provisions on the approval of the CNG pressure regulator .. 159 4E Provisions on the approval of the CNG pressure and temperature sensors .. 161 4F Provisions on the approval of the CNG filling unit (Receptacle) .. 162 4G Provisions on the approval of CNG gas flow adjuster and gas/air mixer, gas injector or fuel rail .. 165 4H Provisions on the approval of the electronic control unit .. 167 4I Provisions on the approval of the LNG heat exchanger vaporizer .. 168 4J Provisions on the approval of the LNG filling receptacle .. 169 4K Provisions on the approval of the LNG pressure control regulator .. 171 4L Provisions on the approval of LNG pressure and/or temperature sensor .. 172 4M Provisions on the approval of the natural gas detector .. 173 4N Provisions on the approval of the automatic valve, check valve, pressure relief valve, excess flow valve, manual valve and non-return valve for LNG applications.

7 174 4O Provisions on the approval of the LNG fuel pump .. 177 5 Test procedures .. 179 5A Overpressure test (strength test) .. 181 5B External leakage 182 5C Internal leakage test .. 184 5D CNG/LNG compatibility test .. 186 5E Corrosion resistance test .. 187 5F Resistance to dry heat .. 188 5G Ozone ageing .. 189 5H Temperature cycle test .. 190 5I Pressure cycle test applicable only to cylinders .. 191 5J & 5K - Not allocated .. 192 5L Durability test (continued operation) .. 193 5M Burst/destructive test applicable only to CNG cylinders .. 194 5N Vibration resistance test .. 195 5O Operating temperatures .. 196 E/ECE/324 E/ECE/TRANS/505 6 5P LNG Low temperature test .. 197 5Q Compatibility with heat exchange fluids of non-metallic parts .. 198 6 Provisions on CNG identification mark for vehicles of categories M2 and M3, N2 and 199 7 Provisions on LNG identification mark for vehicles of categories M2 and M3, N2 and N3.

8 200 E/ECE/324 E/ECE/TRANS/505 7 1. Scope This Regulation applies to: Part I Specific components for vehicles of category M and N1 using compressed natural gas (CNG) and/or liquefied natural gas (LNG) in their propulsion system; Part II Vehicles of category M and N1 with regard to the installation of specific components, for the use of compressed natural gas (CNG) and/or liquefied natural gas (LNG) for propulsion, of an approved type. 2. References The following standards contain provisions that, through reference in this text, constitute provisions of this Regulation. ASTM Standards2 ASTM B117-90 Test method of Salt Spray (Fog) Testing ASTM B154-92 Mercurous Nitrate Test for Copper and Copper Alloys ASTM D522-92 Mandrel Bend Test of attached Organic Coatings ASTM D1308-87 Effect of Household Chemicals on Clear and Pigmented Organic Finishes ASTM D2344-84 Test Method for Apparent interlaminar Shear Strength of Parallel Fibre Composites by Short Beam Method ASTM D2794-92 Test Method for Resistance of Organic Coatings to the Effects of Rapid Deformation (Impact)

9 ASTM D3170-87 Chipping Resistance of Coatings ASTM D3418-83 Test Method for Transition Temperatures Polymers by Thermal Analysis ASTM E647-93 Standard Test, Method for Measurement of Fatigue Crack Growth Rates ASTM E813-89 Test Method for JIC, a Measure of Fracture Toughness ASTM G53-93 Standard Practice for Operating Light and Water Exposure Apparatus (Fluorescent UV-Condensation Type) for Exposure of non-metallic materials 1 As defined in the Consolidated Resolution on the Construction of Vehicles ( ), document ECE/ , para. 2. 2 American Society for Testing and Materials. E/ECE/324 E/ECE/TRANS/505 8 BSI Standards3 BS 5045 Part 1 (1982) Transportable Gas Containers Specification for Seamless Steel Gas Containers Above litre Water Capacity BS 7448-91 Fracture Mechanics Toughness Tests Part I Method for Determination of KIC, Critical COD and Critical J Values of BS PD 6493-1991.

10 Guidance an Methods for Assessing the A Acceptability of Flaws in Fusion Welded Structures; Metallic Materials EN Standards4 EN 13322-2 2003 Transportable gas cylinders Refillable welded steel gas cylinders Design and construction Part 2: Stainless steel EN ISO 5817 2003 Arc-welded joints in steel; guidance on quality levels for imperfections EN1251-2 2000 Cryogenic vessels. Vacuum insulated vessels of not more than 1,000 litres volume EN 895:1995 Destructive tests on welds in metallic materials. Transverse tensile test EN 910:1996 Destructive test methods on welds in metallic materials. Bend tests EN 1435:1997 Non-destructive examination of welds. Radiographic examination of welded joints EN 6892-1:2009 Metallic materials. Tensile test EN 10045-1:1990 Charpy impact test on metallic materials. Test method (V- and U-notches) ISO Standards5 ISO 37 Rubber, vulcanized or thermoplastic Determination of tensile stress-strain properties.