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BS EN ISO 7866:2012+A1:2020:2021 Edition

BS EN ISO 7866:2012+A1:2020:2021 Edition

$198.66

Gas cylinders. Refillable seamless aluminium alloy gas cylinders. Design, construction and testing

Published By Publication Date Number of Pages
BSI 2021 70
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This International Standard specifies minimum requirements for the material, design, construction and workmanship, manufacturing processes and tests at time of manufacture of refillable seamless aluminium alloy gas cylinders of water capacities up to and including 150 litres for compressed, liquefied and dissolved gases for worldwide use (normally up to +65 °C).

PDF Catalog

PDF Pages PDF Title
2 undefined
9 1 Scope
2 Normative references
3 Terms and definitions
10 4 Symbols
12 5 Inspection and testing
6 Materials
6.1 General requirements
13 6.2 Thermal treatments
6.2.1 Heat-treatable alloys (see Table 1, groups 1, 3 and 4)
6.2.2 Non-heat-treatable alloys (see Table 1, group 2)
6.2.3 Control of specified heat treatment
14 6.3 Test requirements
6.4 Failure to meet test requirements
15 7 Design
7.1 General requirements
7.2 Calculation of cylindrical shell thickness
7.3 Design of ends (heads and bases)
16 7.4 Neck design
19 7.5 Foot rings
7.6 Neck rings
7.7 Design drawing
7.8 High-strength and/or low-elongation gas cylinder designs
8 Construction and workmanship
8.1 General
8.2 End forming
20 8.3 Wall thickness
8.4 Surface imperfections and defects
8.5 Neck threads
8.6 Out-of-roundness
21 8.7 Exposure to heat
8.8 Straightness
8.9 Mean diameter
9 Type approval procedure
9.1 General requirements
22 9.2 Prototype tests
9.2.3 Pressure-cycling test
23 9.2.4 Test requirements for high-strength and/or low-elongation gas cylinder designs
9.3 Type approval certificate
10 Batch tests
10.1 General requirements
25 10.2 Tensile test
26 10.3 Bend test and flattening test
10.3.1 Bend test
27 10.3.2 Flattening test
10.4 Hydraulic burst test
10.4.1 Test installation
28 10.4.2 Test conditions
29 10.4.3 Interpretation of test
10.5 Test requirements for high-strength and/or low-elongation gas cylinder designs
30 11 Gas cylinder tests and examinations
11.1 General
11.2 Hydraulic test
11.2.1 Proof pressure test
11.2.2 Volumetric-expansion test
31 11.3 Hardness test
11.4 Leakage testing
11.5 Examination for neck folds
11.6 Marking verification
11.7 Aluminium alloy gas cylinder surface features at time of manufacture
11.7.1 Requirements
32 11.7.2 Imperfection considerations
12 Certification
33 13 Marking

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BS EN ISO 7866:2012+A1:2020
$198.66