ISO 17420-4:2021

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

Publication date: 11 jan 2021

General information

Current stage: 90.20 Effective date: 15 jan 2026

Originator: ISO

Owner: ISO/TC 94/SC 15

Type: International Standard

ICS: 13.340.30

Gjuha: anglisht frëngjisht

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Statusi: Publikuar

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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.

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PUBLISHED
ISO 17420-4:2021
90.20 Standard under periodical review
15 jan 2026

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