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UNE 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)
Seguridad e higiene en el soldeo y procesos afines. Equipo para la captura y filtración de humo de soldeo. Parte 2: Requisitos para ensayos y marcado de la eficiencia de separación. (ISO 21904-2:2020).
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| Standard number: | UNE EN ISO 21904-2:2020 |
| Pages: | 23 |
| Released: | 2020-05-27 |
| Status: | Standard |
DESCRIPTION
UNE EN ISO 21904-2:2020
This part of ISO 21904 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 part of ISO 21904 applies to equipment that is manufactured after its publication.