Health and safety in welding and allied processes - Equipment for capture and separation of welding fume - Part 2: Requirements for testing and marking of separation efficiency (ISO 21904-2:2020)
This document specifies a method for testing equipment for the separation of welding fume in order to determine whether its separation efficiency meets specified requirements.
The method specified does not apply to testing of filter cartridges independent of the equipment in which they are intended to be used.
This document applies to equipment that is manufactured after its publication.
NOTE General ventilation systems are excluded from the Scope of ISO 21904-1.