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.

2 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. 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.

3 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.

4 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.

5 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 .. 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.

6 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.

7 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.

8 113 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) .. 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.

9 158 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.

10 172 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.. 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.