ISO 17420-4:2021Published

Respiratory protective devices — Performance requirements — Part 4: Requirements for supplied breathable gas RPD

Appareils de protection respiratoire — Exigences de performances — Partie 4: Exigences pour les équipements de protection respiratoire alimentés en gaz respirable

Abstract / scope

This document specifies requirements for the performance and testing of supplied breathable gas respiratory protective devices (RPD) in accordance with their classification and for use in the workplace to protect the wearer from hazardous atmospheres and/or environments.