EN ISO 9809-3:2010

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Inspection and testing
6 Materials
7 Design
8 Construction and workmanship
9 Type approval procedure
10 Batch tests
11 Tests/examinations on every cylinder
12 Certification
13 Marking
Annex A (normative) - Description and evaluation of
        manufacturing imperfections and conditions for
        rejection of seamless steel gas cylinders at
        time of final visual inspection by the manufacturer
Annex B (normative) - Ultrasonic examination
Annex C (informative) - Type approval certificate
Annex D (informative) - Acceptance certificate
Bibliography
Annex NA (normative) - Specific European requirements

ISO 9809-3:2010 specifies minimum requirements for the material, design, construction and workmanship, manufacturing processes, examination and testing at manufacture of refillable normalized or normalized and tempered seamless steel gas cylinders of water capacities from 0,5 l up to and including 150 l for compressed, liquefied and dissolved gases.If desired, cylinders of water capacity less than 0,5 l can be manufactured and certified to be in compliance with ISO 9809-3:2010.