PREN 12493 : DRAFT 2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
5 Pressure vessel design
6 Openings
7 Non-pressure retaining parts
8 Workmanship and construction
9 Construction and workmanship of internal pipework
10 Manufacturing tests and examinations
11 External corrosion protection and finishing
12 Marking
13 Records and documentation
Annex A (normative) - Guidance on selection of material
        grades
Annex B (normative) - Reference temperatures for design
Annex C (informative) - Alternative reference temperatures
        for design
Annex D (normative) - Design
Annex E (informative) - Example of joints
Annex F (normative) - Allowable tolerances
Annex G (normative) - Heat treatment
Annex H (informative) - Typical method for measurement of
         shell peaking
Annex I (normative) - Welding imperfections and test specimens
Annex J (informative) - Choice of non-destructive test methods
        for welds
Annex K (normative) - Hydraulic pressure test
Annex L (informative) - Environmental checklist
Bibliography

Describes minimum requirements for materials, design, construction and workmanship procedures, and tests for welded LPG road tanker pressure vessels and their welded attachments manufactured from carbon, carbon/manganese and micro alloy steels.