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  • I.S. EN ISO 21904-3:2018

    Current The latest, up-to-date edition.

    HEALTH AND SAFETY IN WELDING AND ALLIED PROCESSES - REQUIREMENTS, TESTING AND MARKING OF EQUIPMENT FOR AIR FILTRATION - PART 3: DETERMINATION OF THE CAPTURE EFFICIENCY OF ON-TORCH WELDING FUME EXTRACTION DEVICES (ISO 21904-3:2018)

    Available format(s): 

    Language(s): 

    Published date:  24-04-2018

    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.

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

    National Foreword
    European foreword
    Foreword
    Introduction
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Principle
    5 Test equipment and materials
    6 Test procedure
    7 Test parameters for generating capture efficiency data
    8 Test report
    Annex A (informative) - Equipment notes
    Annex B (normative) - Trial tests
    Annex C (informative) - Examples of test chambers
    Annex D (normative) - Test procedures
    Annex E (informative) - Data processing for test method 3
    Annex F (normative) - Test parameters form to be filled
    Annex G (informative) - Information about the necessity
            to measure leakage
    Bibliography

    Abstract - (Show below) - (Hide below)

    Provides a laboratory method for measuring the welding fume capture efficiency of ontorch extraction systems.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Current

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

    CEN/TR 16013-1:2010 Workplace exposure - Guide for the use of direct-reading instruments for aerosol monitoring - Part 1: Choice of monitor for specific applications
    ISO 5167-1:2003 Measurement of fluid flow by means of pressure differential devices inserted in circular cross-section conduits running full Part 1: General principles and requirements
    ISO 3966:2008 Measurement of fluid flow in closed conduits Velocity area method using Pitot static tubes
    ISO 6947:2011 Welding and allied processes Welding positions
    ISO 15767:2009 Workplace atmospheres Controlling and characterizing uncertainty in weighing collected aerosols
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