BS EN 12807:2019 – TC:2020 Edition
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Tracked Changes. LPG equipment and accessories. Transportable refillable brazed steel cylinders for liquefied petroleum gas (LPG). Design and construction
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 73 |
This document specifies the minimum requirements for the design, construction and testing during manufacture of transportable refillable brazed steel Liquefied Petroleum Gas (LPG) cylinders, of water capacity from 0,5 l up to and including 15 l, exposed to ambient temperatures. This document applies only to cylinders having a circular cross-section without any longitudinal joint.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 39 | undefined |
| 45 | 1 Scope 2 Normative references |
| 46 | 3 Terms, definitions and symbols 3.1 Terms and definitions 3.2 Symbols |
| 47 | 4 Materials |
| 48 | 5 Design 5.1 General requirements |
| 49 | 5.2 Calculation of cylindrical shell thickness 5.3 Design of torispherical and semi-ellipsoidal ends concave to pressure |
| 53 | 5.4 Design of ends of shapes other than torispherical and semi-ellipsoidal 5.5 Minimum wall thickness |
| 54 | 5.6 Design of openings 5.7 Valve protection 5.8 Non-pressure containing attachments 6 Construction and workmanship 6.1 Brazing qualification |
| 55 | 6.2 Plates and pressed parts 6.3 Brazed joints 6.4 Tolerances 6.4.1 Out of roundness |
| 56 | 6.4.2 Straightness 6.4.3 Verticality 6.5 Heat treatment 6.6 Protective coating 6.7 Closure of openings 7 Tests and examinations 7.1 General 7.2 Types of test and evaluation of the test results |
| 57 | 7.3 Material testing |
| 58 | 7.4 Tensile test 7.4.1 Parent material 7.4.1.1 Procedure |
| 59 | 7.4.1.2 Requirements 7.4.2 Joints 7.4.2.1 Procedure 7.4.2.2 Requirements 7.5 Bend test 7.5.1 Procedure |
| 60 | 7.5.2 Requirements |
| 61 | 7.6 Burst test under hydraulic pressure 7.6.1 Procedure |
| 62 | 7.6.2 Requirements 7.6.2.1 Bursting pressure 7.6.2.2 Volumetric expansion 7.6.2.3 Type of fracture |
| 63 | 7.7 Pressure test 7.7.1 Procedure 7.7.2 Requirements 7.8 Ultrasonic examination 7.8.1 Procedure 7.8.2 Assessment 7.8.3 Requirements 7.9 Macro examination 7.9.1 Procedure |
| 64 | 7.9.2 Requirements 7.10 Visual examination of the surface of the joint 7.10.1 Procedure 7.10.2 Requirements 7.11 Fatigue test 7.11.1 Procedure 7.11.2 Requirement 8 Technical requirements for type approval 8.1 Extent of testing |
| 65 | 8.2 Cylinder types 8.3 Type approval certificate |
| 66 | 9 Production testing and examination requirements 9.1 Tests and examinations applicable to all cylinders 9.2 Ultrasonic examination 9.3 Macro examination 9.4 Examination of the valve boss joint 9.5 Examination of non-pressure containing joints |
| 67 | 9.6 Unacceptable imperfections found by the ultrasonic or macro examinations 9.7 Batch testing (Mechanical / Burst tests) 9.7.1 Batch 9.7.2 Inspection lots 9.7.3 Rate of sampling 9.7.3.1 General |
| 68 | 9.7.3.2 Batch less than or equal to 3 000 cylinders 9.7.3.3 Batch over 3 000 cylinders 9.7.3.4 Cylinder less than or equal to 6,5 l 9.7.4 Additional checks |
| 69 | 9.8 Failure to meet mechanical and burst test requirements 9.8.1 Mechanical 9.8.2 Burst 9.8.3 Re-test 9.8.4 Resubmission of an inspection lot |
| 70 | 10 Marking 11 Certificates |
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BS EN 12807:2019
LPG equipment and accessories. Transportable refillable brazed steel cylinders for liquefied petroleum gas (LPG). Design…
