NBN EN 3-9 : 2007 COR 2007
Current
The latest, up-to-date edition.
PORTABLE FIRE EXTINGUISHERS - PART 9: ADDITIONAL REQUIREMENTS TO EN 3-7 FOR PRESSURE RESISTANCE OF CO[2] EXTINGUISHERS
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Materials
4.1 General
4.2 Material compatibility
5 Design
5.1 Cylinder and operating devices
5.2 Filling ratio
5.3 Operating device
5.4 Bursting disc
5.5 Hose and nozzle couplings - Prototype
testing
5.6 Resistance to impact
6 Manufacturing of the assembled extinguisher
7 Final assessment of the assembled extinguisher
7.1 General
7.2 Validation of accessories
7.3 Validation of the design maximum filling
mass
8 Marking
8.1 Operating device
8.2 Cylinder
8.3 Extinguisher assembly
Annex A (informative) Classification of the different
parts of an extinguisher
Annex B (informative) Filling ratio for CO[2]
Annex C (normative) Portable CO[2] fire extinguisher
thread sizes
Annex D (normative) Impact tests
D.1 General
D.2 Test at TS[min]
D.3 Test at TS[max]
D.4 Apparatus
D.5 Procedure
Annex ZA (informative) Relationship between this
European Standard and the Essential
Requirements of EU Directive 97/23/EC
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