CEI EN 50064 : 1998

Foreword
1 Introduction
2 Scope and field of application
3 Definitions
4 Materials
5 Design
6 Manufacture and workmanship
7 Inspection and testing
8 Pressure relief devices
9 Certification and marking
Annex A (normative) - Elastic analysis of the
        stress distribution in dished
        ends due to internal pressure
Annex B (normative) - Welding procedure and welder
        performance tests
Annex C (normative) - Sample of record form
Annex D (informative) - National deviations

Applies to fusion welded wrought aluminium and aluminium alloy enclosures pressurized with dry air, inert gases, for example sulphur hexafluoride or nitrogen or a mixture of such gases, used in indoor or outdoor installations of high-voltage switchgear and controlgear, where the gas is used principally for its dielectric and/or arc quenching properties, with rated voltages.