OS GSO ISO 17420-3:2024

ISO 17420-3:2012
Omani Standard   Current Edition · Approved on 14 October 2024

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

OS GSO ISO 17420-3:2024 Files

OS GSO ISO 17420-3:2024 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

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