BSI PD CEN/TR 13445-101:2015
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Unfired pressure vessels. Example of application
| Published By | Publication Date | Number of Pages |
| BSI | 2015 | 98 |
This Technical Report presents an application of EN 13445 through an example of design and fabrication of an unfired pressure vessel. Every step is described as far as possible:
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Material choice;
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Design and calculation;
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Fabrication;
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Inspection and testing;
using the following part of EN 13445:
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EN 13445-1:2009;
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EN 13445-2:2009;
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EN 13445-3:2009;
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EN 13445-4:2009;
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EN 13445-5:2009.
As applicable, some choices for design or fabrication are made according to “the state of art” practice.
Some parts of EN 13445 are reproduced in order to show which requirements are relevant to the design and fabrication of the target vessel.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | Contents Page |
| 6 | 1 Scope 2 Normative references |
| 7 | 3 Presentation of example 3.1 General 3.2 Pressure vessel data |
| 9 | 3.3 PED 97/23/CE Category 3.4 Extracts from EN 13445-1 to EN 13445-5:2009 and from others standards 4 Materials 4.1 General 4.2 Minimum requirements for materials 4.2.1 General 4.2.2 Minimum elongation |
| 10 | 4.2.3 Impact test for ferritic steel 4.2.4 Chemical composition of selected grade |
| 11 | 4.3 Mechanical properties of the chosen materials |
| 14 | 4.4 Type of material certificate 4.4.1 PED requirements 4.4.2 Type of certificate for pressure vessel components |
| 15 | 4.5 Prevention of brittle fracture 4.5.1 General 4.5.2 Method 1 (B.2.2 of EN 13445-2:2009) 4.5.2.1 General 4.5.2.2 Determination of test temperature TKV |
| 17 | 4.5.3 Method 2 (Clause B.2.3 of EN 13445-2:2009) 4.5.3.1 General 4.5.3.2 Definitions |
| 18 | 4.5.3.3 Impact energy requirements 4.5.3.4 Determination of the test temperature TKV |
| 27 | 4.6 Particular Material Appraisal (PMA) |
| 28 | 5 Calculations and design 5.1 General 5.2 Definitions related to pressure |
| 29 | 5.3 Thickness definitions and joint coefficient 5.3.1 Thicknesses 5.3.2 Joint coefficient |
| 30 | 5.4 Prevention of brittle fracture 5.5 Maximum allowed values of the nominal design stress |
| 32 | 5.6 Calculations and design 5.6.1 Normal operating load case 5.6.1.1 General |
| 33 | 5.6.1.2 Cylindrical shell |
| 35 | 5.6.1.3 Elliptical end |
| 40 | 5.6.1.4 Nozzle |
| 41 | 5.6.1.5 Flange |
| 46 | 5.6.1.6 Opening in the cylindrical shell |
| 52 | 5.6.1.7 Design of the shell as supported by two saddles support |
| 66 | 5.6.2 Testing load case 5.6.2.1 General |
| 67 | 5.6.2.2 Maximum permissible pressure of the cylindrical shell |
| 68 | 5.6.2.3 Maximum permissible pressure of the elliptical end |
| 69 | 5.6.2.4 Maximum permissible pressure of the nozzle 5.6.2.5 Maximum permissible pressure of the flange 5.6.2.6 Maximum permissible pressure of the opening |
| 70 | 5.6.2.7 Verification of the shell supported by two saddles support during hydrostatic test 6 Fabrication 6.1 General |
| 71 | 6.2 Minimum requirements for fabrication 6.2.1 Materials 6.2.2 Tolerances |
| 72 | 6.2.3 Procedures for welding |
| 74 | 6.2.4 Welding consumables 6.3 Production tests 6.3.1 Number of production test plates |
| 75 | 6.3.2 Test on production test plate |
| 78 | 6.4 Forming of shell 6.4.1 General 6.4.2 Cold forming 6.4.2.1 Calculation of deformation F |
| 80 | 6.4.2.2 Heat treatment after cold forming |
| 81 | 6.4.3 Hot forming 6.4.3.1 General 6.4.3.2 Hot forming procedure |
| 82 | 6.4.3.3 Heat treatment after hot forming 6.4.4 Tests after forming 6.4.4.1 General |
| 83 | 6.4.4.2 Necessity of tests 6.4.4.3 Performance of tests 6.4.5 Inspection, marking and documentation |
| 84 | 6.5 Post weld heat-treatment (PWHT) 6.5.1 General 6.5.2 Heat treatment conditions 6.5.2.1 PWHT procedures |
| 85 | 6.5.2.2 Method of PWHT 6.5.2.3 PWHT procedure 6.5.3 Mechanical properties after heat treatment |
| 86 | 6.6 Others requirements 6.6.1 Repairs 6.6.2 Finishing 7 Inspection and testing 7.1 General |
| 87 | 7.2 Performance of inspection and testing 7.3 Technical documentation 7.4 Inspection and testing during fabrication 7.4.1 General 7.4.2 Choice of testing group |
| 88 | 7.4.3 Extent of NDT |
| 92 | 7.4.4 Acceptance criteria 7.4.5 Selection of NDT method 7.4.5.1 Selection of NDT method for detection of internal flaws |
| 93 | 7.4.5.2 Selection of NDT method for detection of surface flaws 7.4.5.3 Performance of NDT 7.5 Others requirements 7.6 Final assessment 7.6.1 General |
| 94 | 7.6.2 Extent of final assessment 7.6.3 Determination of the test pressure Pt |
| 96 | 7.6.4 Acceptance criteria 7.7 Marking and declaration of compliance with the standard |
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