AS/NZS ISO 11119.3:2025
Gas cylinders – Design, construction and testing of refillable composite gas cylinders and tubes – Part 3: Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with non-load-sharing metallic or non-metallic liners or without liners
Standard specifies requirements for the material, design, construction and workmanship, manufacturing processes, examination and testing at time of manufacture for the following:
- Type 4 composite fully wrapped cylinders or tubes with a non-load sharing liner and composite reinforcement on both the cylindrical portion and the dome ends.
- Type 5 fully wrapped cylinders or tubes without liners and with a test pressure of less than 60 bar and composite reinforcement on both the cylindrical portion and the dome ends.
- Water capacities up to 450 l.
- For the storage and conveyance of compressed or liquefied gases.
- Cylinders and tubes with composite reinforcement of carbon fibre, aramid fibre or glass fibre (or a mixture thereof) within a matrix.
- A minimum design life of 15 years.
Cylinders and tubes manufactured and tested according to this document are not intended to contain toxic, oxidizing or corrosive gases.
This document does not address the design, fitting and performance of removable protective sleeves.
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AS/NZS ISO 11119.3:2025 Design, construction and testing of refillable composite gas cylinders and tubes Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with non-load-sharing metallic or non-metallic liners or without liners
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Inspection and testing
6 Materials
6.1 Liner materials
6.2 Composite materials
7 Design and manufacture
7.1 General
7.2 Design submission
7.3 Manufacturing
8 Type approval procedure
8.1 General requirements
8.2 Prototype tests
8.3 New design
8.4 Design variants
8.5 Type approval test procedures and criteria
8.5.1 Proof pressure test
8.5.2 Hydraulic elastic expansion test
8.5.3 Cylinder burst test
8.5.4 Ambient cycle test
8.5.5 Vacuum test
8.5.6 Environmental cycle test
8.5.7 Environmentally assisted stress rupture test
8.5.8 Flaw test
8.5.9 Drop/impact test
8.5.10 High velocity impact (gunfire) test
8.5.11 Fire resistance test
8.5.12 Permeability test
8.5.13 Torque test on cylinder neck boss
8.5.14 Salt water immersion test
8.5.15 Leak test
8.5.16 Pneumatic cycle test
8.5.17 Liner burst test
8.5.18 Resin shear strength
8.5.19 Glass transition temperature
8.6 Failure of type approval tests
9 Batch inspection and testing
9.1 Liner
9.2 Failure of liner batch tests
9.3 Overwrap materials
9.4 Composite cylinder
9.5 Cylinder failure during type approval or batch testing
10 Cylinder marking
10.1 General
10.2 Additional marking
Annex A (informative) Examples of design approval certificate
Annex B (informative) Specimen test reports
Annex C (informative) Test report for equivalency
Annex D (informative) Standardized test requirements for thermally activated pressure relief devices
Bibliography
Amendment 1
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AS/NZS ISO 11119.3:2025 Design, construction and testing of refillable composite gas cylinders and tubes Fully wrapped fibre reinforced composite gas cylinders and tubes up to 450 l with non-load-sharing metallic or non-metallic liners or without liners
Preface
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Inspection and testing
6 Materials
6.1 Liner materials
6.2 Composite materials
7 Design and manufacture
7.1 General
7.2 Design submission
7.3 Manufacturing
8 Type approval procedure
8.1 General requirements
8.2 Prototype tests
8.3 New design
8.4 Design variants
8.5 Type approval test procedures and criteria
8.5.1 Proof pressure test
8.5.2 Hydraulic elastic expansion test
8.5.3 Cylinder burst test
8.5.4 Ambient cycle test
8.5.5 Vacuum test
8.5.6 Environmental cycle test
8.5.7 Environmentally assisted stress rupture test
8.5.8 Flaw test
8.5.9 Drop/impact test
8.5.10 High velocity impact (gunfire) test
8.5.11 Fire resistance test
8.5.12 Permeability test
8.5.13 Torque test on cylinder neck boss
8.5.14 Salt water immersion test
8.5.15 Leak test
8.5.16 Pneumatic cycle test
8.5.17 Liner burst test
8.5.18 Resin shear strength
8.5.19 Glass transition temperature
8.6 Failure of type approval tests
9 Batch inspection and testing
9.1 Liner
9.2 Failure of liner batch tests
9.3 Overwrap materials
9.4 Composite cylinder
9.5 Cylinder failure during type approval or batch testing
10 Cylinder marking
10.1 General
10.2 Additional marking
Annex A (informative) Examples of design approval certificate
Annex B (informative) Specimen test reports
Annex C (informative) Test report for equivalency
Annex D (informative) Standardized test requirements for thermally activated pressure relief devices
Bibliography
Amendment 1
AS/NZS ISO 11119.3:2025
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.