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BS ISO 11119-2:2020

BS ISO 11119-2:2020

$198.66

Gas cylinders. 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 load-sharing metal liners

Published By Publication Date Number of Pages
BSI 2020 52
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This document specifies minimum requirements for the material, design, construction and workmanship, manufacturing processes, examination and testing at time of manufacture for:

  • type 3 fully wrapped cylinders or tubes with a load-sharing metal liner and composite reinforcement on both the cylindrical portion and the dome ends;

  • water capacities up to 450 l;

  • 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.

This document does not address the design, fitting, and performance of removable protective sleeves.

This document does not apply to cylinders with welded liners.

NOTE 1

References to cylinders in this document include composite tubes if appropriate.

NOTE 2

ISO 11439 applies to cylinders intended for use as fuel containers on natural gas vehicles and ISO 11623 covers periodic inspection and re-testing of composite cylinders.

PDF Catalog

PDF Pages PDF Title
2 undefined
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
12 4 Symbols
5 Inspection and testing
6 Materials
6.1 Liner materials
13 6.2 Composite materials
7 Design and manufacture
7.1 General
14 7.2 Design submission
15 7.3 Manufacturing
16 8 Type approval procedure
8.1 General requirements
8.2 Prototype tests
17 8.3 New design
18 8.4 Design variants
21 8.5 Type approval test procedures and criteria
8.5.1 Proof pressure test
8.5.2 Hydraulic volumetric expansion test
22 8.5.3 Liner burst test
8.5.4 Cylinder burst test
23 8.5.5 Ambient cycle test
25 8.5.6 Environmental cycle test
26 8.5.7 Flaw test
27 8.5.8 Drop/impact test
31 8.5.9 High velocity impact (gunfire) test
32 8.5.10 Fire resistance test
34 8.5.11 Salt water immersion test
35 8.5.12 Torque test
8.5.13 Environmentally assisted stress rupture test
8.5.14 Resin shear strength
36 8.5.15 Glass transition temperature
8.6 Failure of type approval tests
9 Batch inspection and testing
9.1 Liner
37 9.2 Failure of liner batch tests
9.3 Overwrap materials
9.4 Composite cylinder
38 9.5 Cylinder failure during type approval or batch testing
39 10 Cylinder marking
10.1 General
10.2 Additional marking
40 Annex A (informative) Examples of design approval certificate
41 Annex B (informative) Specimen test reports
44 Annex C (informative) Test report for equivalency
46 Annex D (informative) Standardized test requirements for thermally activated pressure relief devices
51 Bibliography

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BS ISO 11119-2:2020
$198.66