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    I.S. EN 14034-4:2004

    Withdrawn A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

    DETERMINATION OF EXPLOSION CHARACTERISTICS OF DUST CLOUDS - PART 4: DETERMINATION OF THE LIMITING OXYGEN CONCENTRATION LOC OF DUST CLOUDS

    Available format(s):  Hardcopy, PDF

    Withdrawn date:  19-01-2011

    Language(s):  English

    Published date:  12-11-2004

    Publisher:  National Standards Authority of Ireland

    For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
    Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

    Dates of withdrawal of national standards are available from NSAI.

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

    Foreword
    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 for use
    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 D (informative) - Examples of procedures to determine
            the LOC
    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 limiting oxygen concentration of dust clouds in a closed vessel under defined initial conditions of pressure and temperature.

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

    Development Note 2004 Edition Re-Issued in January 2011 & incorporates AMD 1 2011. (01/2011)
    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Withdrawn

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

    EN 14034-2:2006+A1:2011 Determination of explosion characteristics of dust clouds - Part 2: Determination of the maximum rate of explosion pressure rise (dp/dt)max of dust clouds
    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)
    EN 14034-1:2004+A1:2011 Determination of explosion characteristics of dust clouds - Part 1: Determination of the maximum explosion pressure pmax of dust clouds
    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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