ONORM EN 3-8 : 2008

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

Describes the rules of design, type testing, fabrication and inspection control of portable fire extinguishers manufactured with metallic bodies as far as pressure risk is concerned.