UNI EN 746-3 : 2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
INDUSTRIAL THERMOPROCESSING EQUIPMENT - PART 3: SAFETY REQUIREMENTS FOR THE GENERATION AND USE OF ATMOSPHERE GASES
27-05-2022
01-01-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 List of hazards
5 Safety requirements for the use of atmosphere gases
5.1 Purging
5.2 Safety control equipment for atmosphere gases
5.3 Thermo-processing equipment requirements
6 Safety requirements for atmosphere gas generators
6.1 Reaction gas supplies
6.2 Fuel gas supplies
6.3 Air supplies
6.4 Mixture supplies
6.5 Electrical supplies
6.6 Cooling water supplies and discharge
6.7 Atmosphere gas supplies and distribution
6.8 System requirements
7 Verification of the safety requirements and/or measures
8 Information for use
8.1 Instruction handbook
8.2 Marking
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
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