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
- Standard No.
- ISO 21904-2:2020
- Release Date
- 2020
- Published By
- International Organization for Standardization (ISO)
- Latest
- ISO 21904-2:2020
- Scope
- 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.
ISO 21904-2:2020 Referenced Document
- ISO 15011-1:2009 Health and safety in welding and allied processes - Laboratory method for sampling fume and gases - Part 1: Determination of fume emission rate during arc welding and collection of fume for analysis
- ISO 21904-1:2020 Health and safety in welding and allied processes — Equipment for capture and separation of welding fume — Part 1: General requirements
- ISO 2602:1980 Statistical interpretation of test results; estimation of the mean; confidence interval
ISO 21904-2:2020 history
- 2020 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
