PD 5500:2003

Committees responsible
Foreword
Summary of amended pages
Section 1. General
           1.1 Scope
           1.2 Interpretation
           1.3 Definitions
           1.4 Responsibilities
           1.5 Information and requirements to be agreed and to be
                documented
           1.6 Thicknesses
Section 2. Materials
           2.1 Selection of materials
           2.2 Materials for low temperature applications
           2.3 Nominal design strength
Section 3. Design
           3.1 General
           3.2 Application
           3.3 Corrosion, erosion and protection
           3.4 Construction categories and design stresses
           3.5 Vessels under internal pressure
           3.6 Vessels under external pressure
           3.7 Supports, attachments and internal structures
           3.8 Bolted flanged connections
           3.9 Flat heat exchanger tubesheets
           3.10 Design of welds
           3.11 Vessels with external jackets or limpet coils
           3.12 Manholes, inspection openings and quick release
                openings
           3.13 Protective devices for excessive pressure or
                vacuum
Section 4. Manufacture and workmanship
           4.1 General aspects of construction
           4.2 Cutting, forming and tolerances
           4.3 Welded joints
           4.4 Heat treatment
           4.5 Surface finish
Section 5. Inspection and testing
           5.1 General
           5.2 Approval testing of fusion welding procedures
           5.3 Welder and operator approval
           5.4 Production control test plates
           5.5 Destructive testing
           5.6 Non-destructive testing
           5.7 Acceptance criteria for weld defects revealed
                by visual examination and non-destructive
                testing
           5.8 Pressure tests
           5.9 Inspection requirements for cast components
Annex A Requirements for design where loadings and components
        are not covered by Section 3
Annex B Requirements for cylindrical, spherical and conical
        shells under combined loadings, including wind and
        earthquakes
Annex C Assessment of vessels subject to fatigue
Annex D Requirements for vessels designed to operate below 0
        degree C
Annex E Recommendations for welded connections of pressure
        vessels
Annex G Recommendations for the design of local loads, thermal
        gradients, etc.
Annex H Recommendations for post-weld heat treatment of dissimilar
        ferritic steel joints
Annex J Recommendations for pressure relief protective devices
Annex K Requirements for design stresses for British Standard
        materials
Annex L Guidance on structural tolerances
Annex M Requirements for establishing the safe external working
        pressure for cylindrical sections outside the circularity
        limits specified in 3.6
Annex N Requirements for vessel design and the provision of
        information concerning UK statutory requirements for
        the demonstration of the continued integrity of
        pressure vessels throughout their service life
Annex Q Recommendations for preparation and testing of production
        control test plates
Annex R Guidance on additional information for flat ends and
        flat plates
Annex S Guidance on optical documentation for supply with
        vessel
Annex T Recommendations for arc welded tube to tubeplate joints
Annex U Guidance on the use of fracture mechanics analyses
Annex V Requirements for testing and inspection of serially
        produced pressure vessels
Annex W Worked examples
Annex Z Guidance on the application of PD 5500 to pressure vessels
        falling within the scope of the European Pressure Equipment
        Directive
Aluminium supplement Requirements for aluminium and aluminium
alloys in the design and construction of unfired fusion
welded pressure vessels
Copper supplement Requirements for copper and copper alloys in the
design and construction of unfired fusion welded or brazed
pressure vessels
Nickel supplement Requirements for nickel and nickel alloys in the
design and construction of unfired fusion welded pressure vessels
Index
List of references

Describes requirements for the design, construction, inspection, testing and verification of compliance of new unfired fusion welded pressure vessels.