NF EN ISO 21904-2

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

Le présent document spécifie les exigences concernant la séparation des fumées de soudage et une méthode d''essai pour la détermination de l''efficacité de l''équipement de filtration de fumées de soudage. Il permet ainsi de contrôler l''exposition aux fumées de soudage au moyen d''un équipement de ventilation par extraction localisée qui, après avoir capté et filtré les fumées, ramène l''air aspiré au poste de travail ou le rejette dans l''atmosphère. Les exigences générales des équipements de captage et de filtration des fumées de soudage font l''objet de la NF EN ISO 21904-1, la détermination de l''efficacité de captage des torches aspirantes de la NF EN ISO 21904-3 et la détermination du débit volumique minimal d''air des dispositifs de captage de la NF EN ISO 21904-4.

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