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  • UNI EN 14034-3 : 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

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    Language(s): 

    Published date:  17-02-2011

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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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
    5 Dust sample
    6 Test procedure
    7 Calibration and 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
    Annex ZA (informative) - Relationship between this
             European Standard and the Essential
             Requirements of EU Directive 94/9/EC
    Bibliography

    Abstract - (Show below) - (Hide below)

    Specifies 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 CT 42
    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Current
    Supersedes

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 4225:1994 Air quality General aspects Vocabulary
    EN ISO 1127:1996 Stainless steel tubes - Dimensions, tolerances and conventional masses per unit length (ISO 1127:1992)
    ISO 6184-1:1985 Explosion protection systems Part 1: Determination of explosion indices of combustible dusts in air
    EN 26184-1 : 1991 EXPLOSION PROTECTION SYSTEMS - DETERMINATION OF EXPLOSION INDICES OF COMBUSTIBLE DUSTS IN AIR
    VDI 2263 Blatt 1:1990-05 Dust fires and dust explosions; hazards, assessment, protective measures; test methods for the determination of the safety characteristic of dusts
    ISO 1127:1992 Stainless steel tubes Dimensions, tolerances and conventional masses per unit length
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