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)

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.

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

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

DocumentType	Standard
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
EN ISO 21904-3:2018	Identical

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