BS EN 12542:2020
$215.11
LPG equipment and accessories. Static welded steel cylindrical pressure vessels, serially produced for the storage of Liquefied Petroleum Gas (LPG) having a volume not greater than 13 m³. Design and manufacture
| Published By | Publication Date | Number of Pages |
| BSI | 2020 | 72 |
This document specifies requirements for the design and manufacture of static welded steel cylindrical pressure vessels, serially produced for the storage of liquefied petroleum gas (LPG) with a volume not greater than 13 m3 and for installation above or below ground.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 10 | 1 Scope 2 Normative references |
| 12 | 3 Terms and definitions 3.1 General terms |
| 14 | 3.2 Terms for coatings 4 Materials 4.1 Environmental 4.2 Shells and ends |
| 16 | 4.3 Pressure parts other than shell or ends 4.4 Parts welded to the pressure vessel 4.5 Welding consumables 4.6 Inspection documents for materials 4.7 Non-metallic materials (gaskets) 5 Design 5.1 General |
| 17 | 5.2 Temperature 5.3 Pressure 5.4 Vacuum conditions |
| 18 | 5.5 Support loadings 5.6 Lifting lugs loadings 6 Openings 6.1 General 6.2 Reinforcement 6.3 Position of welds and openings 7 Workmanship and manufacture 7.1 General |
| 19 | 7.2 Environment 7.3 Control and traceability of materials 7.4 Manufacturing tolerances 7.5 Acceptable weld details 7.5.1 General 7.5.2 Longitudinal welds |
| 20 | 7.5.3 Joggle joints 7.6 Formed pressure parts 7.6.1 General 7.6.2 Heat treatment after forming 7.6.2.1 Environment 7.6.2.2 Heat treatment after cold forming of flat products |
| 21 | 7.6.2.3 Heat treatment after hot forming 7.6.3 Testing of formed parts 7.6.4 Repeated tests |
| 22 | 7.6.5 Visual examination and dimensional check 7.6.6 Marking 7.6.7 Test certificate 7.7 Welding 7.7.1 General 7.7.2 Welding procedure specification (WPS) 7.7.3 Qualification of WPS 7.7.4 Qualification of welders and welding operators |
| 23 | 7.7.5 Preparation of edges to be welded 7.7.6 Execution of welded joints 7.7.7 Attachments and supports 7.7.8 Preheating 7.8 Post weld heat treatment |
| 24 | 7.9 Repairs 7.9.1 Repairs of surface imperfections in the parent metal 7.9.2 Repair of weld imperfections 8 Non-pressure attachments 8.1 Attachments 8.2 Position 8.3 Vent hole |
| 25 | 9 Inspection and testing 9.1 Visual examination of welds 9.2 Non-destructive testing (NDT) |
| 26 | 9.3 Non-destructive testing techniques 9.3.1 General 9.3.2 Radiographic techniques 9.3.3 Ultrasonic techniques 9.3.4 Magnetic particle techniques 9.3.5 Penetrant techniques |
| 27 | 9.4 Marking for non-destructive testing 9.5 Qualification of personnel 9.6 Acceptance criteria |
| 28 | 9.7 Production test plates (coupon plates) |
| 29 | 9.8 Final assessment 9.8.1 Pressure test |
| 30 | 9.8.2 Final examination 10 Surface treatment and finishing 10.1 Environmental considerations 10.2 Above ground pressure vessels 10.2.1 General 10.2.2 Reflectivity |
| 31 | 10.3 Underground pressure vessels 10.4 Finishing operations 11 Marking and certification |
| 32 | 12 Records and documentation 12.1 Records to be obtained by the manufacturer 12.2 Documents to be prepared by the manufacturer |
| 33 | Annex A (informative)Design pressure and filling conditions A.1 Above ground pressure vessels A.1.1 Design pressure (p) A.1.2 Filling conditions |
| 34 | A.1.3 Calculation of maximum fill A.2 Underground pressure vessels — Design pressure |
| 35 | Annex B (normative)Tolerances on pressure vessels B.1 Mean external diameter B.2 Out of roundness B.3 Deviation from the straight line B.4 Irregularities in circular profile |
| 36 | B.5 Thickness tolerance B.6 Profile |
| 37 | B.7 Surface alignment B.8 Attachments, nozzles and fittings |
| 38 | Annex C (normative)Hydraulic pressure test C.1 Temporary fittings C.2 Pressure gauges C.3 Pressurizing agent C.4 Avoidance of shocks C.5 Test procedure |
| 39 | Annex D (normative)Imperfections |
| 41 | Annex E (normative)Design formulae for pressure vessels E.1 Allowable stresses E.2 Design formulae E.2.1 General E.2.2 Cylindrical shell calculation E.2.3 Torispherical end calculation |
| 42 | E.2.4 Ellipsoidal end calculation |
| 44 | E.2.5 Hemispherical ends E.2.6 Equations for calculating β |
| 45 | E.3 Nozzle reinforcement E.3.1 General E.3.2 Size of openings E.3.3 Distance between openings or branches |
| 46 | E.3.4 Openings and branches E.3.5 Cylindrical shells and ends with openings E.3.6 Shell reinforcement E.3.7 Extent of reinforcement E.3.8 Elliptical openings |
| 47 | E.3.9 Welded branches E.3.10 Compensating plates E.3.11 Reinforcement − General E.3.12 Reinforcement by pads |
| 48 | E.3.13 Reinforcement by branches E.3.14 Branch connections normal to the pressure vessel wall |
| 52 | Annex F (informative)Measurement of shell peaking F.1 Profile gauge F.2 Peaking survey |
| 55 | Annex G (informative)Examples of joints |
| 59 | Annex H (informative)Method of determining reflectivity indices (above ground pressure vessels) |
| 60 | Annex I (normative)External protection of underground pressure vessels I.1 General I.2 Unmonitored protection systems I.3 Monitored protection systems I.3.1 Systems incorporating cathodic protection |
| 61 | I.3.2 Systems incorporating a protective envelope I.3.3 Other systems |
| 62 | Annex J (informative)Exterior corrosion protective coating with special performance against chemical and mechanical attacks J.1 General J.2 Requirements J.2.1 General requirements J.2.2 Requirements for the coating material |
| 63 | J.2.3 Requirements for the coating J.2.3.1 Minimum coating thickness J.2.3.2 Absence of pores J.2.3.3 Adhesive strength J.2.3.4 Impact resistance J.2.3.5 Hardness J.2.3.6 Exposure to wet environment and temperature cycles J.2.3.7 Specific electrical resistance of the coating J.2.3.8 U.V Protection |
| 64 | J.2.4 Requirements for the coating process J.2.4.1 Requirements for the base metal to be coated J.2.4.2 Processing temperature in relation to the dew point J.2.4.3 Application of the coating J.2.4.4 Local repairs J.3 Testing J.3.1 Testing for the coating material J.3.1.1 Density J.3.1.2 Viscosity J.3.1.3 IR spectroscopy J.3.1.4 Weight loss J.3.1.5 Mass fraction of pigments and filler material |
| 65 | J.3.2 Testing for the coating J.3.2.1 Test sheet J.3.2.2 Thickness of coating J.3.2.3 Absence of pores J.3.2.4 Adhesive strength J.3.2.5 Impact resistance J.3.2.6 Hardness |
| 66 | J.3.2.7 Exposure to saline solution J.3.2.8 Temperature cycling J.3.2.9 Specific electrical resistance of the coating J.3.3 Documentation of the coating procedure J.3.3.1 Documentation J.3.3.2 Approval of the coating procedure |
| 67 | J.3.4 Test reports and certificates J.4 Supervision during production |
| 68 | Annex ZA (informative)Relationship between this European Standard and the essential requirements of EU Directive 2014/68/EU |
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BS EN 12542:2020
LPG equipment and accessories. Static welded steel cylindrical pressure vessels, serially produced for the storage…
