Regulation No 110 of the Economic Commission for Europe of the United Nations... (42011X0507(01))
INHALT
Regulation No 110 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of I. specific components of motor vehicles using compressed natural gas (CNG) 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) in their propulsion system
- Regulation No 110 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of
- 1. SCOPE
- 2. DEFINITION AND CLASSIFICATION OF COMPONENTS
- Figure 1-1
- Flow scheme for CNG components classification
- Figure 1-2
- Tests applicable to specific classes of components (excluding cylinders)
- 2.16. Fuel lines
- PART I
- APPROVAL OF SPECIFIC COMPONENTS OF MOTOR VEHICLES USING COMPRESSED NATURAL GAS (CNG) IN THEIR PROPULSION SYSTEM
- 3. APPLICATION FOR APPROVAL
- 4. MARKINGS
- 5. APPROVAL
- 6. SPECIFICATIONS REGARDING CNG COMPONENTS
- 6.1. General provisions
- 6.2. Provisions regarding containers
- 6.3. Provisions regarding components fitted to the container
- 6.4.-6.11. Provisions regarding other components
- 7. MODIFICATIONS OF A TYPE OF CNG COMPONENT AND EXTENSION OF APPROVAL
- 8. (Not allocated)
- 9. CONFORMITY OF PRODUCTION
- 10. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
- 11. (Not allocated)
- 12. PRODUCTION DEFINITELY DISCONTINUED
- 13. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS, AND OF ADMINISTRATIVE DEPARTMENTS
- 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) IN THEIR PROPULSION SYSTEM
- 14. DEFINITIONS
- 15. APPLICATION FOR APPROVAL
- 16. APPROVAL
- 17. REQUIREMENTS FOR THE INSTALLATION OF SPECIFIC COMPONENTS FOR THE USE OF COMPRESSED NATURAL GAS IN THE PROPULSION SYSTEM OF A VEHICLE
- 17.1. General
- 17.2. Further requirements
- 17.3. The CNG system
- 17.4. Installation of the container
- 17.5. Accessories fitted to the container(s) or cylinder(s)
- 17.5.1. Automatic valve
- 17.5.2. Pressure relief device
- 17.5.3. Excess flow valve on the container
- 17.5.4. Manual valve
- 17.5.5. Gas-tight housing on the container(s)
- 17.5.6. PRD (pressure triggered)
- 17.6. Rigid and flexible fuel lines
- 17.7. Fitting or gas connections between the components
- 17.8. Automatic valve
- 17.9. Filling unit or receptacle
- 17.10. Fuel selection system and electrical installation
- 18. CONFORMITY OF PRODUCTION
- 19. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
- 20. MODIFICATION AND EXTENSION OF APPROVAL OF A VEHICLE TYPE
- 21. PRODUCTION DEFINITELY DISCONTINUED
- 22. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS, AND OF ADMINISTRATIVE DEPARTMENTS
- ANNEX 1A
- ESSENTIAL CHARACTERISTICS OF THE CNG COMPONENT
- ANNEX 1B
- ESSENTIAL CHARACTERISTICS OF THE VEHICLE, ENGINE AND CNG-RELATED SYSTEM
- 0. DESCRIPTION OF THE VEHICLE(S)
- 1. DESCRIPTION OF THE ENGINE(S)
- 1.2. Internal combustion engine
- 1.2.4.5.8. CNG container accessories:
- 1.2.4.5.17.1. Description of the CNG system
- ANNEX 2A
- ARRANGEMENT OF THE CNG COMPONENT TYPE-APPROVAL MARK
- (See paragraph 5.2 of this Regulation)
- ANNEX 2B
- COMMUNICATION
- (maximum format: A4 (210 × 297 mm))
- Addendum
- 1. Additional information concerning the type-approval of a type of CNG components pursuant to Regulation No 110
- 1.1. Container(s) or cylinder(s)
- 1.2. Pressure indicator
- 1.3. Pressure relief valve (discharge valve)
- 1.4. Automatic valve(s)
- 1.5. Excess flow valve
- 1.6. Gas-tight housing
- 1.7. Pressure regulator(s)
- 1.8. Non-return valve(s) or non-return valve(s)
- 1.9. Pressure relief device (temperature triggered)
- 1.10. Manual valve
- 1.11. Flexible fuel lines
- 1.12. Filling unit or receptacle
- 1.13. Gas injector(s)
- 1.14. Gas flow adjuster
- 1.15. Gas/air mixer
- 1.16. Electronic control unit (CNG-fuelling)
- 1.17. Pressure and temperature sensor(s)
- 1.18. CNG filter(s)
- 1.19. PRD (pressure triggered)
- ANNEX 2C
- ARRANGEMENT OF APPROVAL MARKS
- MODEL A
- (See paragraph 16.2 of this Regulation)
- MODEL B
- (See paragraph 16.2 of this Regulation)
- ANNEX 2D
- COMMUNICATION
- (maximum format: A4 (210 × 297 mm))
- ANNEX 3
- Gas cylinders
- High-pressure cylinder for the on-board storage of natural gas as a fuel for automotive vehicles
- 1. SCOPE
- 2. REFERENCES
- ASTM Standards(1)
- BSI Standards(2)
- ISO Standards(3)
- NACE Standard(4)
- 3. DEFINITIONS
- 4. SERVICE CONDITIONS
- 4.1.
- General
- 4.1.1. Standard service conditions
- 4.1.2. Use of cylinders
- 4.1.3. Service life
- 4.1.4. Periodic requalification
- 4.1.4.1. Cylinders involved in collisions
- 4.1.4.2. Cylinders involved in fires
- 4.2.
- Maximum pressures
- 4.3.
- Maximum number of filling cycles
- 4.4.
- Temperature range
- 4.4.1. Settled gas temperature
- 4.4.2. Cylinder temperatures
- 4.4.3. Transient temperatures
- 4.5.
- Gas composition
- 4.6.
- External surfaces
- 4.7.
- Gas permeation or leakage
- 5. DESIGN APPROVAL
- 5.1.
- General
- 5.2.
- Statement of service
- 5.3.
- Design data
- 5.3.1. Drawings
- 5.3.2. Stress analysis report
- 5.3.3. Material test data
- 5.3.4. Design qualification test data
- 5.3.5. Fire protection
- 5.3.6. Cylinder supports
- 5.4.
- Manufacturing data
- 5.5. (not allocated)
- 5.6.
- Fracture performance and NDE defect size
- 5.6.1. Fracture performance
- 5.6.2. NDE defect size
- 5.7.
- Specification sheet
- 5.8.
- Additional supporting data
- 5.9.
- Approval and certification
- 5.9.1. Inspection and testing
- 5.9.2. Test certificate
- 5.9.3. Batch acceptance certificate
- 6. REQUIREMENTS APPLICABLE TO ALL CYLINDER TYPES
- 6.1.
- General
- 6.2.
- Design
- 6.3.
- Materials
- 6.3.2. Steel
- 6.3.2.1. Composition
- 6.3.2.2. Tensile properties
- 6.3.2.3. Impact properties
- 6.3.2.4. Bending properties
- 6.3.2.5. Macroscopic weld examination
- 6.3.2.6. Sulfide stress cracking resistance
- 6.3.3. Aluminium
- 6.3.3.1. Composition
- 6.3.3.2. Corrosion tests
- 6.3.3.3. Sustained load cracking
- 6.3.3.4. Tensile properties
- 6.3.4. Resins
- 6.3.4.1. General
- 6.3.4.2. Shear strength
- 6.3.4.3. Glass transition temperature
- 6.3.5. Fibres
- 6.3.6. Plastic liners
- 6.4.
- Test pressure
- 6.5.
- Burst pressures and fibre stress ratios
- 6.6.
- Stress analysis
- 6.7.
- Leak-before-break (LBB) assessment
- 6.8.
- Inspection and testing
- 6.9.
- Fire protection
- 6.10.
- Openings
- 6.10.1. General
- 6.11.
- Cylinder supports
- 6.12.
- Exterior environmental protection
- 6.13.
- Design qualification tests
- 6.14.
- Batch tests
- 6.15.
- Production examinations and tests
- 6.15.1. General
- 6.15.2. Maximum defect size
- 6.16.
- Failure to meet test requirements
- 6.17.
- Change of design
- 7. TYPE CNG-1 METAL CYLINDERS
- 7.1.
- General
- 7.2.
- Stress analysis
- 7.3.
- Manufacturing and production test requirements
- 7.3.1. General
- 7.3.2. Non-destructive examination
- 7.3.3. Hydrostatic pressure testing
- 7.4.
- Cylinder batch tests
- 7.5.
- Cylinder design qualification tests
- 7.5.1. General
- 7.5.2. Hydrostatic pressure burst test
- 7.5.3. Ambient temperature pressure cycling test.
- 7.5.4. Bonfire test
- 7.5.5. Penetration test
- 7.5.6. LBB performance
- 8. TYPE CNG-2 HOOP-WRAPPED CYLINDERS
- 8.1.
- General
- 8.2.
- Design requirements
- 8.2.1. Metal liner
- 8.2.2. Composite over-wrap
- 8.2.3. Stress analysis
- 8.3.
- Manufacturing requirements
- 8.3.1. General
- 8.3.2. Liner
- 8.3.3. Over-wrap
- 8.3.3.1. Curing of thermosetting resins
- 8.3.4. Auto-frettage
- 8.4.
- Production test requirements
- 8.4.1. Non-destructive examination
- 8.4.2. Hydrostatic pressure testing
- 8.5.
- Cylinder batch tests
- 8.5.1. General
- 8.6.
- Cylinder design qualification tests
- 8.6.1. General
- 8.6.2. Hydrostatic pressure burst test
- 8.6.3. Ambient temperature pressure cycling test
- 8.6.4. Acid environment test
- 8.6.5. Bonfire test
- 8.6.6. Penetration test
- 8.6.7. Flaw tolerance tests
- 8.6.8. High temperature creep test
- 8.6.9. Accelerated stress rupture test
- 8.6.10. LBB performance
- 8.6.11. Extreme temperature pressure cycling test
- 9. TYPE CNG-3 FULLY-WRAPPED CYLINDERS
- 9.1.
- General
- 9.2.
- Design requirements
- 9.2.1. Metal liner
- 9.2.2. Composite over-wrap
- 9.2.3. Stress analysis
- 9.3.
- Manufacturing requirements
- 9.4.
- Production test requirements
- 9.5.
- Cylinder batch tests
- 9.6.
- Cylinder design qualification tests
- 9.6.1. Drop test
- 10. TYPE CNG-4 ALL-COMPOSITE CYLINDERS
- 10.1.
- General
- 10.2.
- Design requirements
- 10.3.
- Stress analysis
- 10.4.
- Manufacturing requirements
- 10.5.
- Production test requirements
- 10.5.1. Hydrostatic pressure testing
- 10.5.2. Leak testing
- 10.6.
- Cylinder batch tests
- 10.6.1. General
- (a) Batch materials test
- (b) Batch burst test
- (c) Periodic pressure cycling test
- 10.7.
- Cylinder design qualification tests
- 10.7.1. General
- 10.7.2. Boss torque test
- 10.7.3. Permeation test
- 10.7.4. Natural gas cycling test
- 11. MARKING
- 11.1.
- Provision of marking
- 12. PREPARATION FOR DISPATCH
- Appendix A
- TEST METHODS
- A.1. Tensile tests, steel and aluminium
- A.2. Impact test, steel cylinders and steel liners
- A.3. Sulphide stress cracking test for steel
- A.4. Corrosion tests, aluminium
- A.5. Sustained load cracking tests, aluminium
- A.6. Leak-Before-Break (LBB) performance test
- A.7. Extreme temperature pressure cycling
- A.8. Brinell hardness test
- A.9. Coating tests (mandatory if paragraph 6.12(c) of Annex 3 is used)
- A.9.1. Coating performance tests
- A.9.2. Coating batch tests
- (i) Coating thickness
- (ii) Coating adhesion
- A.10. Leak test
- A.11. Hydraulic test
- Option 1: Water jacket test
- Option 2: Proof pressure test
- A.12. Hydrostatic pressure burst test
- A.13. Ambient temperature pressure cycling
- A.14. Acid environment test
- A.15. Bonfire test
- A.15.1. General
- A.15.2. Cylinder set-up
- A.15.3. Fire source
- A.15.4. Temperature and pressure measurements
- A.15.5. General test requirements
- A.15.6. Cylinders 1,65 m length or less
- A.15.7. Cylinders greater than 1,65 m length
- A.15.8. Acceptable results
- A.16. Penetration tests
- A.17. Composite flaw tolerance tests
- A.18. High temperature creep test
- A.19. Accelerated stress rupture test
- A.20. Impact damage test
- A.21. Permeation test
- A.22. Tensile properties of plastics
- A.23. Melting temperature of plastics
- A.24. Pressure relief device requirements
- A.25. Boss torque test
- A.26. Resin shear strength
- A.27. Natural gas cycling test
- A.28. Bend test, welded stainless steel liners
- Appendix B
- Appendix C
- Appendix D
- REPORT FORMS
- Form 1: Report of Manufacturer and Certification of Conformance
- Appendix E
- VERIFICATION OF STRESS RATIOS USING STRAIN GAUGES
- 4. Method 1 (applies to cylinders that do not use high tension winding)
- 5. Method 2 (applies to all cylinders)
- Appendix F
- FRACTURE PERFORMANCE METHODS
- F.1. Determination of fatigue sensitive sites
- F.2. Leak-Before-Break (LBB)
- F.2.1. Engineering critical assessment
- F.2.2. LBB by flawed cylinder burst
- (a) Determination of leak-before-break flaw length
- (b) Cylinder flaws
- (c) Test procedure
- (d) Acceptance criteria for the flawed cylinder test
- F.3. Defect size for non-destructive examination (NDE)
- F.3.1. NDE Defect size by engineering critical assessment
- F.3.2. NDE Defect size by flawed cylinder cycling
- Appendix G
- Instructions by the container manufacturer regarding handling, use and inspection of cylinders
- G.1. General
- G.2. Distribution
- G.3. Reference to existing codes, standards and regulations
- G.4. Cylinder handling
- G.5. Installation
- G.6. Use of cylinders
- G.7. In-service inspection
- Appendix H
- ENVIRONMENTAL TEST
- H.1. Scope
- H.2. Summary of test method
- H.3. Cylinder set-up and preparation
- Figure H.1
- Cylinder orientation and layout of exposure areas
- H.4. Preconditioning apparatus
- (a) Pendulum impact
- (b) Gravel impact
- (c) Gravel
- Figure H.2
- Gravel impact test
- H.5. Exposure environments
- (a) Immersion environment
- (b) Other fluid exposure
- H.6. Test conditions
- (a) Pressure cycle
- (b) Pressure during other fluid exposure
- (c) High and low temperature exposure
- H.7. Test procedure
- (a) Preconditioning of the cylinder
- (b) Test sequence and cycles
- H.8. Acceptable results
- ANNEX 4A
- Provisions regarding the approval of the 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)
- 2. The automatic valve
- 2.2. Operating specifications
- 3. The non-return valve
- 3.2. Operating specifications
- 4. The pressure relief valve and pressure relief device
- 4.2. Operating specifications
- 5. The excess flow valve
- 5.2. Operating specifications
- 6. The manual valve
- 6.3. Manual valve device requirements
- 7. Pressure relief device (pressure triggered)
- 7.2. Operating specifications
- 7.4. PRD (pressure triggered) requirements.
- 7.4.1. Continued operation
- 7.4.1.1. Test procedure
- 7.4.1.2. Requirements
- 7.4.2. Corrosion resistance test
- 7.4.2.1. Test procedure
- 7.4.2.2. Requirements
- ANNEX 4B
- PROVISIONS REGARDING THE APPROVAL OF FLEXIBLE FUEL LINES OR HOSES
- Scope
- 1. HIGH PRESSURE HOSES, CLASS 0 CLASSIFICATION
- 1.1. General specifications
- 1.2. Hose construction
- 1.3. Specifications and tests for the lining
- 1.3.1. Tensile strength and elongation for rubber material and for thermoplastic elastomers (TPE)
- 1.4. Specifications and test-method for the cover
- 1.4.1. Tensile strength and elongation for rubber material and for thermoplastic elastomers (TPE)
- 1.4.3. Resistance to ozone
- 1.5. Specifications for uncoupled hose
- 1.5.1. Gas-tightness (permeability)
- 1.5.2. Resistance at low temperature
- 1.5.3. Bending test
- Figure 1 (example only)
- 1.5.4. Hydraulic-test-pressure and appointment of the minimum burst-pressure
- 1.6. Couplings
- 1.7. Assembly of hose and couplings
- 1.7.3. Gas-tightness
- 1.8. Markings
- 2. MEDIUM PRESSURE HOSES, CLASS 1 CLASSIFICATION
- 2.1. General specifications
- 2.2. Hose construction
- 2.3. Specifications and tests for the lining
- 2.3.1. Tensile strength and elongation for rubber material and for thermoplastic elastomers (TPE)
- 2.4. Specifications and test-method for the cover
- 2.4.1. Tensile strength and elongation for rubber material and for thermoplastic elastomers (TPE)
- 2.4.3. Resistance to ozone
- 2.5. Specifications for uncoupled hose
- 2.5.1. Gas-tightness (permeability)
- 2.5.2. Resistance at low temperature
- 2.5.3. Bending test
- Figure 2 (example only)
- 2.5.4. Hydraulic-test-pressure
- 2.6. Couplings
- 2.7. Assembly of hose and couplings
- 2.7.3. Gas-tightness
- 2.8. Markings
- 3. LOW PRESSURE HOSES, CLASS 2 CLASSIFICATION
- 3.1. General specifications
- 3.2. (Not allocated)
- 3.3. Specifications and tests for the lining
- 3.3.1. Tensile strength and elongation for rubber material and for thermoplastic elastomers (TPE)
- 3.4. Specifications and test-method for the cover
- 3.4.1. Tensile strength and elongation for rubber material and for thermoplastic elastomers (TPE)
- 3.4.3. Resistance to ozone
- 3.5. Specifications for uncoupled hose
- 3.5.1. Gas-tightness (permeability)
- 3.5.2. Resistance at low temperature
- 3.5.3. Resistance at high temperature
- 3.5.4. Bending test
- Figure 3 (example only)
- 3.6. Markings
- ANNEX 4C
- PROVISIONS REGARDING THE APPROVAL OF THE CNG FILTER
- 2. Operating conditions
- ANNEX 4D
- PROVISIONS REGARDING THE APPROVAL OF THE PRESSURE REGULATOR
- 2. Pressure regulator
- 3. Classification and test pressures
- ANNEX 4E
- Provisions regarding the approval of the pressure and temperature sensors
- 2. Pressure and temperature sensors
- 3. Classification and test pressures
- ANNEX 4F
- PROVISIONS REGARDING THE APPROVAL OF THE FILLING UNIT (RECEPTACLE)
- 1. Scope
- 2. The filling unit
- 3. The filling unit test procedures
- 4. Filling unit dimensions
- Figure 1
- 20 MPa filling unit (receptacle) for M
- 1
- and N
- 1
- vehicles
- Figure 2
- 20 MPa filling unit size 2 (receptacle) for M
- 2
- , M
- 3
- , N
- 2
- and N
- 3
- vehicles
- ANNEX 4G
- Provisions regarding the approval of gas flow adjuster and gas/air mixer or gas injector
- 2. Gas/air mixer or gas injector
- 2.3. Test pressures
- 3. Gas flow adjuster
- 3.3. Test pressures
- ANNEX 4H
- PROVISIONS REGARDING THE APPROVAL OF THE ELECTRONIC CONTROL UNIT
- 2. Electronic control unit
- ANNEX 5
- TEST PROCEDURES
- 1. CLASSIFICATION
- 2. APPLICABLE TEST PROCEDURES
- 3. GENERAL REQUIREMENTS
- ANNEX 5A
- OVER PRESSURE TEST (STRENGTH TEST)
- ANNEX 5B
- EXTERNAL LEAKAGE TEST
- 5. High temperature test
- 6. Low temperature test
- ANNEX 5C
- INTERNAL LEAKAGE TEST
- ANNEX 5D
- CNG COMPATIBILITY TEST
- ANNEX 5E
- CORROSION RESISTANCE TEST
- ANNEX 5F
- RESISTANCE TO DRY HEAT
- ANNEX 5G
- OZONE AGEING
- ANNEX 5H
- TEMPERATURE CYCLE TEST
- ANNEX 5I
- PRESSURE CYCLE TEST APPLICABLE ONLY TO CYLINDERS (SEE ANNEX 3)
- ANNEXES 5J AND 5K
- ANNEX 5L
- DURABILITY TEST (CONTINUED OPERATION)
- Test method
- (a) Room temperature cycling
- (b) High temperature cycling
- (c) Low temperature cycling
- ANNEX 5M
- BURST/DESTRUCTIVE TEST APPLICABLE ONLY TO CYLINDERS (SEE ANNEX 3)
- ANNEX 5N
- VIBRATION RESISTANCE TEST
- Test method
- ANNEX 5O
- ANNEX 6
- Provisions regarding CNG identification mark for public service vehicles
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