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prSRPS EN ISO 17420-3:2025

Respiratory protective devices - Performance requirements - Part 3: Thread connection

General information

10.99     Dec 11, 2025

ISS

F094

European Norm

English  

Scope

This part of ISO 17420 is applicable to an unassisted filtering device and specifies a standard thread
connection between a filter and the respiratory interface as required in ISO 17420-2.
This part of ISO 17420 also includes the description of test simulators that are necessary for the
assessment of some of the requirements.

Life cycle

NOW

PROJECT
prSRPS EN ISO 17420-3:2025
10.99 New project approved
Dec 11, 2025

Related project

Adopted from prEN ISO 17420-3 IDENTICAL

Adopted from ISO/AWI 17420-3 IDENTICAL