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  • BSI
    BS EN ISO 21904-3:2018 Health and safety in welding and allied processes. Requirements, testing and marking of equipment for air filtration - Determination of the capture efficiency of on-torch welding fume extraction devices
    Edition: 2018
    $411.69
    / user per year

Description of BS EN ISO 21904-3:2018 2018

This document defines a laboratory method for measuring the welding fume capture efficiency of on-torch extraction systems. The procedure only prescribes a methodology, leaving selection of the test parameters to the user, so that the effect of different variables can be evaluated.

It is applicable to integrated on-torch systems and to systems where a discrete extraction system is attached to the welding torch close to the arc area. The methodology is suitable for use with all continuous wire welding processes, all material types and all welding parameters.

The method can be used to evaluate the effects of variables such as extraction flow rate, extract nozzle position, shielding gas flow rate, welding geometry, welding torch angle, fume emission rate, etc., on capture efficiency.



Standard NumberBS EN ISO 21904-3:2018
TitleHealth and safety in welding and allied processes. Requirements, testing and marking of equipment for air filtration - Determination of the capture efficiency of on-torch welding fume extraction devices
StatusConfirmed
Publication Date2018-04-20
Identical National Standard OfEN ISO 21904-3:2018, ISO 21904-3:2018
DescriptorsEquipment specification, Testing, Welding machines, Welds, Health and safety requirements
ICS25.160.01 Welding, brazing and soldering in general, 13.100 Occupational safety. Industrial hygiene
CommitteeWEE/40
ISBN978 0 580 97262 1
PublisherBSI
Pages30

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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