BS EN 14427:2022 – TC

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Tracked Changes. LPG equipment and accessories. Transportable refillable composite cylinders for LPG. Design and construction

Published By	Publication Date	Number of Pages
BSI	2022	130

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Categories: 23.020.35 - Gas cylinders, BSI

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Description

This document specifies minimum requirements for materials, design, construction, prototype testing and routine manufacturing inspections of fully wrapped composite cylinders with a water capacity from 0,5 litre up to and including 150 litres for liquefied petroleum gases (LPG) exposed to ambient temperatures, with a test pressure of at least 30 bar; — is only applicable to cylinders which are fitted with a pressure relief valve (see 4.1.3); — is applicable to cylinders with a liner of metallic material (welded or seamless) or non-metallic material (or a mixture thereof), reinforced by fibres of glass, carbon or aramid (or a mixture thereof); — is also applicable to composite cylinders without liners. Cylinders manufactured to this document are suitable for temperatures down to −40 °C. This document does not address the design, fitting and performance of removable protective sleeves. Where these are fitted, the choice of material and sleeve performance are expected to be considered separately.

PDF Catalog

PDF Pages	PDF Title
1	30455311
73	A-30392158
74	undefined
80	1 Scope 2 Normative references
82	3 Terms and definitions
85	4 Design and manufacture 4.1 General
86	4.2 Liner 4.2.1 Metallic liners 4.2.2 Non-metallic liners
87	4.2.3 Design drawing 4.3 Composite overwrap 4.3.1 Materials
88	4.3.2 Winding 4.4 Finished cylinder 4.4.1 Design drawings
89	4.4.2 Type 5 cylinders 4.4.3 Autofrettage
90	4.4.4 Manufacturing requirements for the finished cylinder 4.4.5 Neck ring 4.4.6 Cylinder stability 4.4.7 Establishment of rejection criteria 4.4.7.1 General
91	4.4.7.2 Procedure 5 Cylinder and material tests 5.1 General
92	5.2 Test procedures and test requirements 5.2.1 Test No. 1 – Composite material tests 5.2.1.1 Tests on all cylinders
93	5.2.1.2 Additional tests on Type 5 cylinders 5.2.2 Test No. 2 – Liner material tests 5.2.2.1 Procedure
94	5.2.2.2 Criteria 5.2.3 Test No. 3 – Liner burst test (for metallic liners only) 5.2.3.1 Procedure 5.2.3.2 Criteria
95	5.2.3.3 Parameters to monitor and record 5.2.4 Test No. 4 –Proof pressure test of finished cylinders 5.2.4.1 General 5.2.4.2 Procedure 5.2.4.3 Criteria 5.2.4.4 Parameters to monitor and record
96	5.2.5 Test No. 5 – Cylinder burst test 5.2.5.1 Procedure 5.2.5.2 Criteria 5.2.5.3 Parameters to monitor and record 5.2.6 Test No. 6 – Pressure cycle test 5.2.6.1 Procedure
97	5.2.6.2 Criteria 5.2.6.3 Parameters to monitor and record 5.2.7 Test No. 7 – Artificial ageing test 5.2.7.1 Procedure
98	5.2.7.2 Criteria
99	5.2.7.3 Parameters to monitor and record 5.2.8 Test No. 8 – Exposure to elevated temperature at test pressure 5.2.8.1 Procedure 5.2.8.2 Criteria 5.2.8.3 Parameters to monitor and record
100	5.2.9 Test No. 9 – Cylinder body integrity impact tests 5.2.9.1 General 5.2.9.2 Flat surface impact test
102	5.2.9.3 Edge impact test
104	5.2.10 Test No. 10 – Drop test 5.2.10.1 Procedure 5.2.10.2 Criteria
105	5.2.11 Test No. 11 – Flawed cylinder test 5.2.11.1 Procedure 5.2.11.2 Criteria 5.2.11.3 Parameters to monitor and record 5.2.12 Test No. 12 – Extreme temperature cycle test 5.2.12.1 Vacuum cycling preconditioning
106	5.2.12.2 Pressure cycling stages
107	5.2.12.3 Concluding burst test 5.2.13 Test No. 13 – Fire resistance test 5.2.13.1 Procedure
108	5.2.13.2 Criteria 5.2.13.3 Parameters to monitor and record during the test 5.2.14 Test No. 14 – Spike puncture test 5.2.14.1 Procedure 5.2.14.2 Criteria 5.2.14.3 Parameters to monitor and record
109	5.2.15 Permeability test of Type 4 and 5 cylinders 5.2.15.1 Procedure 5.2.15.2 Criteria 5.2.15.3 Parameters to monitor and record
110	5.2.16 Test No. 16 – Torque test 5.2.16.1 Procedure 5.2.16.2 Criteria 5.2.16.3 Parameters to monitor and record 5.2.17 Test No. 17 – Neck strength test 5.2.17.1 Procedure
111	5.2.17.2 Criteria 5.2.17.3 Parameters to monitor and record 5.2.18 Test No. 18 – Neck ring test 5.3 Failure to meet test requirements 5.3.1 Metallic liners 5.3.2 Complete cylinder
112	6 Marking
113	Annex A (normative)Prototype testing, design variant testing and production testing A.1 General A.2 Prototype testing A.2.1 General
114	A.2.2 Definition of new design
115	A.2.3 Prototype testing requirements
117	A.3 Design variant testing A.3.1 General A.3.2 Definition of a design variant A.3.2.1 Conditions to be satisfied A.3.2.2 Equivalent fibre A.3.2.3 Equivalent Matrix
119	A.3.2.4 Equivalent liner A.3.2.5 Cylinder variant
120	A.3.3 Design variant test requirements
123	A.4 Production testing A.4.1 General A.4.2 Production test requirements A.4.3 Liner batch tests and inspections A.4.3.1 Metallic liner
124	A.4.3.2 Non-metallic liner A.4.4 Composite materials batch tests and inspections A.4.5 Tests and inspections of the finished cylinder A.4.5.1 Tests
127	A.4.5.2 Inspections

Additional information

Status	Definitive
Pages	130
Publication Date	2022-05-10
ISBN	978 0 539 22117 6
Standard Number	BS EN 14427:2022 – TC
Title	Tracked Changes. LPG equipment and accessories. Transportable refillable composite cylinders for LPG. Design and construction
Descriptors	Endurance testing, Environmental testing, Mechanical testing, Transportable, Pressure testing, Burst tests, Fire tests, Defects, Approval testing, Design, Gas cylinders, Impact testing, Leak tests, Drop tests, Type testing, Aluminium, Marking, Inspection, Hydraulic tests, Performance
Publisher	BSI
Committee	PVE/19
ICS Codes	23.020.35 - Gas cylinders

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BS EN 14427:2022 – TC

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