EN 13923:2005

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 General
6 Materials
   6.1 General
   6.2 Raw materials
   6.3 Chemical resistance
   6.4 Characteristics values for calculations
7 Design
   7.1 General
   7.2 The design factor
   7.3 Permissible strain
   7.4 Stress resultants
8 Design analysis method A
   8.1 General
   8.2 Calculations
   8.3 Prototype testing
9 Design analysis method B
   9.1 Calculation
10 Design documentation
11 Manufacturing
   11.1 Filament winding
   11.2 Protective layers
   11.3 Manufacturing specifications
12 Final acceptance testing
   12.1 General
   12.2 Acceptance testing for filament wound vessels
   12.3 Hydrostatic pressure test
   12.4 Test report
Annex A (normative) Fabrication of flat filament wound test
        specimens
Annex B (informative) Laminate Theory
Annex C (normative) Extrapolation method for long term behaviour
Annex D (informative) Calculation example
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 97/23/EC
Bibliography

This European Standard specifies the requirements for the design including raw materials, calculation, manu-facturing including composite materials, and testing of seamless Glass Reinforced Plastic (GRP) pressure vessels with protective layer, using only multi-directional filament winding, made in a factory and for use above ground and for storage and processing of fluids.This European Standard covers vessels subject to pressures below 20 MPa and temperatures between - 30 °C and 120 °C.Excluded from this European Standard are transportation vessels, double wall vessels, vessels under nega-tive pressure, vessels which are subjected to the risk of explosion or failure of which may cause an emission of radioactivity.