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AS ISO 19880.5:2021
[Current]Gaseous hydrogen — Fuelling stations, Part 5: Dispenser hoses and hose assemblies
Identically adopts ISO 19880-5:2019 for Australia, which specifies the requirements for wire or textile reinforced hoses and hose assemblies for dispensing hydrogen up to 70 MPa nominal working pressure, in the operating temperature range of −40 °C to 65 °C. Contains safety requirements for hoses and hose assemblies used in hydrogen fuelling stations. Excludes those used in vehicle high pressure on-board fuel storage systems and low pressure fuel delivery systems, and flexible metal hoses.KEYWORDS: Gaseous hydrogen dispensing; Wire reinforced hoses and hose assemblies; Textile reinforced
Published: 11/06/2021
Pages: 27
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Classification
5 Materials and construction
5.1 General
5.2 Lining
5.3 Reinforcement
5.4 Cover
5.5 Static electricity dissipation
5.5.1 General
5.5.2 External surface
5.5.3 Internal surface
6 Dimensions and tolerances
7 Performance requirements and testing
7.1 General
7.2 Leakage test
7.2.1 General
7.2.2 Method A
7.2.3 Method B
7.3 Hydrostatic strength
7.3.1 Proof pressure test
7.3.2 Ultimate strength
7.4 Electrical conductivity
7.5 Tensile test of hose assembly
7.5.1 General
7.5.2 Test method
7.6 Vertical load strength
7.6.1 General
7.6.2 Test method
7.7 Torsion strength
7.7.1 General
7.7.2 Test method
7.8 Pressure cycle test (Hydraulic-pressure impulse test)
7.8.1 General
7.8.2 Apparatus
7.8.3 Test fluid
7.8.4 Test temperature
7.8.5 Test piece
7.8.6 Procedure
7.9 Hydrogen impulse test
7.10 Corrosion test
7.10.1 General
7.10.2 Test conditions
7.11 Minimum bend radius
7.12 Hose permeation
7.12.1 General
7.12.2 Test Method A
7.12.3 Test Method B
7.13 Ozone resistance
7.14 Ultraviolet light and water exposure test
7.14.1 Applicability and verification
7.14.2 Test conditions
7.14.3 Length of exposure
7.15 Crush test
7.15.1 General
7.15.2 Test method
7.16 Abrasion resistance test
7.17 Marking material legibility
7.17.1 General
7.17.2 Test method
7.18 Electrical properties of lining material
7.18.1 General
7.18.2 Dielectric breakdown voltage
7.18.3 Volume resistivity
7.18.4 Criteria of electric properties of lining materials
8 Marking
8.1 General
8.2 Hose assemblies
8.3 Hose
8.4 Hose end fittings or couplings
9 Instruction manual
9.1 General
9.2 Selection
9.3 Installation
9.4 Inspection and maintenance
9.5 Safety precautions and usage
10 Test report
Annex A
Annex B
Annex C
C.1 Test pieces
C.2 Apparatus
C.2.1
C.2.2
C.2.3
C.3 Test fluid
C.4 Test procedure
Bibliography
Cited references in this standard
[Current]
Dielectric and resistive properties of solid insulating materials — Part 3-1: Determination of resistive properties (DC methods) — Volume resistance and volume resistivity — General method
[Current]
Electric strength of insulating materials — Test methods — Part 1: Tests at power frequencies
[Current]
Rubber and plastics hoses — Methods of exposure to laboratory light sources — Determination of changes in colour, appearance and other physical properties
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