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  • SN EN 14034-3+A1:2011

    Current The latest, up-to-date edition.

    DETERMINATION OF EXPLOSION CHARACTERISTICS OF DUST CLOUDS - PART 3: DETERMINATION OF THE LOWER EXPLOSION LIMIT LEL OF DUST CLOUDS

    Available format(s):  Hardcopy

    Language(s): 

    Published date:  01-05-2011

    Publisher:  Swiss Standards

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

    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Test apparatus
       4.1 General
       4.2 Explosion vessel
       4.3 Dust dispersion system (dust container, fast
           acting valve, connecting tube, dust disperser)
       4.4 Ignition source
       4.5 Control unit
       4.6 Pressure measuring system
    5 Dust sample
    6 Test procedure
    7 Calibration and verification
       7.1 Calibration
       7.2 Verification
    8 Safety precautions/instructions
    9 Alternative test equipment/procedures
    10 Test report
    Annex A (normative) Electro Pneumatic Valve
    Annex B (normative) Dust disperser with 5 mm holes
    Annex C (normative) 20 l sphere
          C.1 General
          C.2 Test apparatus
          C.3 Test conditions
          C.4 Test procedure
    Annex ZA (informative) Relationship between this European
                           Standard and the Essential
                           Requirements of EU Directive 94/9/EC
    Bibliography

    Abstract - (Show below) - (Hide below)

    This standard describes a test method for the determination of the lower explosion limit of dust clouds in a closed vessel under defined initial conditions of pressure and temperature.

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

    Committee INB/NK 2305
    Development Note 2006 Edition Re-Issued in May 2011 & incorporates AMD 1 2011. (06/2011)
    Document Type Test Method
    Publisher Swiss Standards
    Status Current
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