Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements for all fans
5 Additional requirements for category 2 fans
6 Category 1 fans for use with gas as the conveyed fluid
7 Information for use
Annex A (normative) Additional requirements for category
        1 G fans
Annex B (informative) Checklist for verification of the
        safety requirements and/or protective measures
Annex C (informative) Examples of types of fans showing
        ignition minimising features
Annex D (normative) List of significant hazards
Annex ZA (informative) Relationship between this European
         Standard and the Essential Requirements of EU
         Directive 94/9/EC
Bibliography