SN EN 12573-1 : 2000

Foreword
1 Scope
2 Normative references
3 Definitions
4 Design requirements
      4.1 General
      4.2 Safety factor
      4.3 Material compatibility
      4.4 Calculated design life
      4.5 Nozzles
      4.6 Manhole
      4.7 Welded joints
5 Marking
6 Packaging, loading, transport and installation
Annex A (informative) Questionnaire on conditions of
                      service for a welded static non-
                      pressurized thermoplastic tank
Annex B (informative) Design of welded joints
Annex C (informative) Recommendations for packaging,
                      loading, transport and installation
                      of welded static non-pressurized
                      thermoplastic tanks

General principles for welded static non-pressurized thermoplastic tanks are defined. Applicable to work shop and site fabrications. Covers tanks with a capacity of 0,45 m3 (450 litres) and above. Tanks which comply with the requirements of this standard are not intended to withstand internal pressure or vacuum other than that which may occur during the transfer of fluids (including gases) in ther normal operation.