NEN EN 3-8 : 2007 C1 2007
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
PORTABLE FIRE EXTINGUISHERS - PART 8: ADDITIONAL REQUIREMENTS TO EN 3-7 FOR THE CONSTRUCTION, RESISTANCE TO PRESSURE AND MECHANICAL TESTS FOR EXTINGUISHERS WITH A MAXIMUM ALLOWABLE PRESSURE EQUAL OR LOWER THAN 30 BAR
08-01-2021
01-12-2013
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviations
5 Materials
5.1 Materials for bodies
5.2 Materials for the bodies of operating
devices and filling caps
5.3 Materials for other components
6 Experimental design method and prototype testing
6.1 General
6.2 Experimental design
6.3 Prototype testing
6.4 Overfill pressure test (for water based media
cartridge operated extinguishers only)
6.5 Resistance to impact
7 Manufacturing
7.1 General requirements
7.2 Welded and brazed parts
7.3 Traceability
8 Inspection and testing during production
8.1 Final examination
8.2 Burst test
9 Marking
9.1 General
9.2 Body
9.3 Extinguisher
Annex A (informative) Classification of the different
parts of an extinguisher subject to internal
pressure
Annex B (normative) Pressures
Annex C (normative) Impact test
C.1 Resistance to impact by falling weight
Annex D (normative) Specification for plastics
components (except hoses, pistols and nozzles)
D.1 General
D.2 Requirements for plastics components subject to
pressure
Annex E (normative) Propellant gas cartridges volume
less than 0,12 l
E.1 Refillable cartridge
E.2 Non-refillable cartridges
E.3 Marking
Annex F (informative) Propellant gas cartridges volume
equal to or greater than 0,12 l but less than
0,5 l
F.1 Construction
F.2 Pressure test
F.3 Marking
Annex G (normative) Overfill pressure test
Annex ZA (informative) Relationship between this
European Standard and the Essential Requirements
of EU Directive 97/23/EC
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