• NS EN 3-8 : 2006 AC 2007

    Current The latest, up-to-date edition.

    PORTABLE FIRE EXTINGUISHERS - PART 8: ADDITIONAL REQUIREMENTS TO NS-EN 3-7 FOR THE CONSTRUCTION, RESISTANCE TO PRESSURE AND MECHANICAL TESTS FOR EXTINGUISHERS WITH A MAXIMUM ALLOWABLE PRESSURE EQUAL TO OR LOWER THAN 30 BAR

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    Language(s): 

    Published date:  12-01-2013

    Publisher:  Norwegian Standards (Norges Standardiseringsforbund)

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Document Type Standard
    Publisher Norwegian Standards (Norges Standardiseringsforbund)
    Status Current
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