Standard
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AS 1869.0:2023
[Current]Hose and hose assemblies for liquefied petroleum gases (LP Gas), natural gas and town gas, Part 0: General requirements
AS 1869.0:2023 specifies general requirements for hose and hose assemblies for liquefied petroleum gases (LP Gas) (liquid and gaseous phases), natural gas, town gas manufactured from oil products, tempered LP Gas and simulated natural gas in transport, automotive, industrial and domestic applications. Provides for hose up to and including 100 mm inside diameter and 2.6 MPa maximum working pressure.
Published: 02/06/2023
Pages: 76
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
1 Scope and general
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 Classification
1.5 Materials and construction
1.5.1 General
1.5.2 Materials
1.5.3 Gas permeation
1.5.4 Designated size, tolerance and bend radius
1.6 Marking
1.6.1 Detail of marking
1.6.2 Assembler is different from hose manufacturer
1.6.3 Tags and labels
1.6.4 Instructions
1.7 Hose assemblies
1.7.1 Couplings for end fittings
1.7.2 Complete assemblies — Hoses including couplings and excluding pigtails
1.7.3 Class F hose assemblies — Pigtails for LP Gas in vapour phase
1.7.4 Class F hose assemblies — Pigtails for LP Gas in liquid phase
1.7.5 Testing of hose without end fittings
2 Performance requirements
2.1 General
2.2 Resistance to gas
2.3 Hydrostatic pressure
2.3.1 Proof pressure
2.3.2 Burst pressure
2.3.3 Change in dimensions
2.3.4 Length
2.3.5 Diameter
2.4 Resistance to oil
2.4.1 Cover
2.4.2 Non-metallic liner
2.5 Resistance to ozone
2.6 Resistance to flexing and mechanical loads
2.6.1 Hose not exceeding 20 mm
2.6.2 Hose exceeding 20 mm
2.7 Electrical properties
2.7.1 Electrical continuity
2.7.2 Electrical resistance
2.7.3 Hose assembly resistance
2.7.4 Retention of electrical properties
2.8 Resistance to cold bending
2.9 Minimum flow capacity and resistance to kinking
2.9.1 Pressure drop
2.9.2 Pressure drop due to kinking
2.10 Resistance to crushing
2.11 Permeability
2.12 Flame propagation characteristics of hose
2.13 Adhesion
2.14 Accelerated ageing
2.15 Hose and coupling compatibility
2.16 Resistance to corrosion
2.17 Resistance to ultraviolet degradation
2.18 Durability of marking
2.19 Details of sample specification
Appendix A
Appendix B
B.1 General
B.2 Technical specifications
Appendix C
C.1 Resistance of lining to gas for Classes A, B, C and D
C.2 Resistance of lining to gas for Classes E, F, G and H
C.3 Resistance of hose assembly to gas
C.4 Resistance to flexing and mechanical loads
C.4.1 Scope
C.4.2 Principle
C.4.3 Reagent
C.4.4 Apparatus
C.4.5 Test sample
C.4.6 Procedure
C.4.6.1 For hose assembly with hose not exceeding 20 mm ID
C.4.6.2 For hose exceeding 20 mm ID
C.4.7 Test report
C.4.7.1 For hose assembly with hose not exceeding 20 mm ID
C.4.7.2 For hose exceeding 20 mm ID
C.5 Flow capacity and resistance of hose or hose assembly to kinking
C.5.1 Scope
C.5.2 Flow capacity
C.5.2.1 Principle
C.5.2.2 Apparatus
C.5.2.3 Preparation of the apparatus
C.5.2.4 Procedure for flow capacity
C.5.3 Resistance to kinking
C.5.3.1 Principle
C.5.3.2 Apparatus
C.5.3.3 Procedure
C.5.4 Test report
C.6 Resistance to crushing of hose containing gas
C.7 Permeability of hose
C.7.1 Scope
C.7.2 Reagents
C.7.3 Apparatus
C.7.4 Procedure
C.7.5 Calculation
C.7.6 Test report
C.8 Flame propagation characteristics of a horizontally oriented specimen of hose
C.8.1 Scope
C.8.2 Principle
C.8.3 Apparatus and materials
C.8.3.1 Apparatus
C.8.3.2 Materials
C.8.4 Test specimen
C.8.5 Procedure
C.8.6 Test report
C.9 Dimensions of hose
C.9.1 Scope
C.9.2 Apparatus
C.9.2.1 For outside diameter
C.9.2.2 For inside diameter
C.9.2.3 For thickness of components
C.9.3 Procedure
C.9.3.1 Hose proper
C.9.3.1.1 Length
C.9.3.1.2 Outside diameter
C.9.3.1.3 Inside diameter
C.9.3.1.4 Constriction of bore
C.9.4 Thickness of components
C.10 Hydrostatic pressure
C.10.1 Scope
C.10.2 Principle
C.10.3 Conditioning
C.10.4 Apparatus
C.10.4.1 Pressure source
C.10.4.2 Calibrated pressure gauge or pressure transducer with digital readout
C.10.4.3 Other apparatus
C.10.5 Test samples
C.10.5.1 Hose assemblies
C.10.5.2 Hose
C.10.5.3 Number of test pieces
C.10.6 Application of hydrostatic pressure
C.10.6.1 General
C.10.6.2 Procedure
C.10.7 Hydrostatic pressure tests
C.10.7.1 Proof pressure hold test
C.10.7.2 Measurement of deformation under pressure
C.10.7.2.1 General procedure
C.10.7.2.2 Change in length
C.10.7.2.3 Change in external diameter
C.10.7.2.3.1 General
C.10.7.2.3.2 Determination by measuring the change in external circumference
C.10.7.2.3.3 Direct measurement of change in external diameter
C.10.7.3 Burst pressure test
C.10.7.4 Leakage test
C.10.7.4.1 Test pieces
C.10.7.4.2 Procedure
C.10.8 Test report
C.11 Resistance to ozone
C.11.1 Scope
C.11.2 Principle
C.11.3 Apparatus
C.11.3.1 General
C.11.3.2 Ozone test chamber
C.11.3.3 Cylinder
C.11.3.4 Source of ozonized air
C.11.3.5 Magnifying glass
C.11.3.6 Means of adjusting the ozone concentration
C.11.3.7 Apparatus for determining ozone concentration
C.11.3.7.1 General
C.11.3.7.2 Absorption of ozone
C.11.3.7.2.1 Spray-jet device
C.11.3.7.2.2 Modified spray-jet device
C.11.3.7.3 Counter-current absorption column
C.11.3.8 Titration apparatus
C.11.3.8.1 General
C.11.3.8.2 Microammeter method
C.11.3.8.3 Null indicator method
C.11.4 Reagents
C.11.4.1 Reagents used for determination of ozone concentration
C.11.4.1.1 General
C.11.4.1.2 Buffer solution
C.11.4.1.3 Potassium iodide (KI)
C.11.4.1.4 Sodium thiosulphate solution (0.020 N)
C.11.4.1.5 Sodium thiosulphate solution (0.0020 N)
C.11.4.2 Determination of ozone concentration
C.11.4.2.1 Absorption of ozone
C.11.4.2.2 Titration for absorbed ozone
C.11.4.2.3 Calculation of ozone concentration
C.11.5 Test specimens and test pieces
C.11.5.1 Number
C.11.5.2 Conditioning of test pieces
C.11.5.3 Dimensions
C.11.6 Procedure
C.11.7 Test report
C.12 Electrical resistance of hose and hose components
C.12.1 Scope
C.12.2 Principle
C.12.3 Apparatus
C.12.4 Test specimens
C.12.5 Procedure
C.12.6 Test report
C.13 Electrical resistance of hose assembly
C.13.1 Scope
C.13.2 Principle
C.13.3 Apparatus
C.13.4 Test specimen
C.13.5 Procedure
C.13.6 Test report
C.14 Resistance to cold flexing of hose assembly
C.14.1 Scope
C.14.2 Principle
C.14.3 Apparatus
C.14.4 Test specimen
C.14.5 Procedure
C.14.6 Test report
C.15 Adhesion method
C.15.1 Scope
C.15.2 Principle
C.15.3 Apparatus
C.15.4 Test specimens
C.15.4.1 Dimensions
C.15.4.2 Curvature
C.15.5 Conditioning of test specimens
C.15.6 Procedure
C.15.6.1 Treatment of test specimens
C.15.6.1.1 Strip specimens
C.15.6.1.2 Ring specimens
C.15.6.2 Precautions against tearing
C.15.7 Interpretation
C.15.8 Test report
C.16 Accelerated ageing
C.17 Tensile strength and elongation
C.18 Hose and coupling compatibility
C.18.1 Scope
C.18.2 Reference
C.18.3 Principle
C.18.4 Apparatus
C.18.5 Test specimen
C.18.6 Conditioning
C.18.7 Procedure
C.18.8 Test report
C.19 Resistance to oil
C.19.1 Scope
C.19.2 Principle
C.19.3 Apparatus
C.19.3.1 Total immersion apparatus
C.19.3.2 Apparatus for testing one surface only
C.19.3.3 Balance
C.19.3.4 Instrument for measuring the thickness of the test piece
C.19.3.5 Instrument for measuring the length and width of the test piece
C.19.3.6 Instrument for measuring the change in surface area
C.19.3.7 Test fluid
C.19.4 Test pieces
C.19.4.1 Preparation
C.19.4.2 Dimensions
C.19.4.3 Time interval between vulcanization and testing
C.19.4.4 Conditioning
C.19.5 Immersion in the test liquid
C.19.5.1 Temperature
C.19.5.2 Duration
C.19.6 Procedure
C.19.6.1 General
C.19.6.2 Change in mass
C.19.6.3 Change in volume
C.19.6.4 Change in dimensions
C.19.6.5 Change in surface area
C.19.6.6 Change in hardness
C.19.6.7 Change in tensile stress-strain properties
C.19.6.8 Test with liquid on one surface only
C.19.6.9 Determination of extractable matter
C.19.6.9.1 General
C.19.6.9.2 By weighing the dried test piece
C.19.6.9.3 By evaporating the test liquid
C.19.7 Test report
C.20 Resistance to corrosion
C.20.1 Scope
C.20.2 Principle
C.20.3 Apparatus
C.20.4 Test specimens
C.20.5 Procedure
C.20.6 Test report
C.21 Resistance to ultraviolet degradation
C.21.1 Scope
C.21.2 Principle
C.21.3 Apparatus
C.21.4 Test specimens
C.21.5 Procedure
C.21.6 Test report
C.22 Marking and labels
C.22.1 Scope
C.22.2 Principle
C.22.3 Apparatus
C.22.4 Materials
C.22.5 Procedure
C.22.6 Test report
Appendix D
D.1 Principle
D.2 Apparatus
D.3 Frequency of testing
D.4 Procedure
D.4.1 Hydraulic test
D.4.2 Electrical continuity test
D.5 Limits for continued acceptable performance
D.6 Hose supports and clipping
Appendix E
Appendix F
Bibliography
Cited references in this standard
[Current]
Rubber - General procedures for preparing and conditioning test pieces for physical test methods
[Current]
Rubber, vulcanized or thermoplastic - Resistance to ozone cracking - Part 1: Static and dynamic strain testing
[Current]
Rubber, vulcanized or thermoplastic - Determination of hardness - Part 2: Hardness between 10 IRHD and 100 IRHD
[Current]
Rubber, vulcanized or thermoplastic - Determination of tensile stress-strain properties
[Current]
Hose and hose assemblies for liquefied petroleum gases (LP Gas), natural gas and town gas, Part 2: Metallic liners
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