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ONORM EN ISO 21904-2:2020
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 lays down a procedure for testing welded smoke separation devices to determine whether the equipment meets the separation performance requirements. The method described here is not applicable to the testing of filter cartridges or cartridges, separate from the devices in which they are to be used. This document applies to machines manufactured after publication of this standard.
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Austrian Standards Institute [on]
Austrian Standards Institute [on]