BS EN 746-3 : 1997

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Lists of hazards
5 Safety requirements for the use of atmosphere gases
6 Safety requirements for atmosphere gas generators
7 Verification of the safety requirements and/or measures
8 Information for use
Annex A (informative) - Typical Atmosphere Gases
Annex B (informative) - Explosion Hazards of Gas Mixtures
                        Containing Combustibles
Annex C (informative) - Inert Gas Purging
Annex D: Bibliography
Annex E (informative) - Used Definitions
Annex ZA (informative) - Relationship between this European
                         Standard and the Essential
                         Requirements of EU Directive
                         98/37/EC
Annex ZB (informative) - Relationship between this European
                         Standard and the Essential
                         Requirements of EU Directive
                         2006/42/EC

Defines safety requirements for atmosphere gas systems and their use in industrial thermo-processing equipment and associated plant, including systems for the production of atmosphere gases by reaction inside the thermo-processing equipment.