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ISO 21904-3 : 2018

M00023728

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ISO 21904-3 : 2018

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

International Organization for Standardization

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Table of Contents

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

Abstract

Provides a laboratory method for measuring the welding fume capture efficiency of on-torch extraction systems.

General Product Information

Document Type Standard
Status Current
Publisher International Organization for Standardization
Committee TC 44