GB 21976.7-2012 Translated English of Chinese Standard. GB 21976.7-2012: Escape apparatus for building fire - Part 7: Filtering respiratory protective devices for self-rescue from fire

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https://www.chinesestandard.net, 18 giu 2019 - 19 pagine
This part of GB 21976 specifies the type, model, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage, other requirements of the filtering respiratory protective devices for self-rescue from fire. This part applies to the disposable filtering respiratory protective devices for self-rescue from fire worn by personnel when they are in a place where the oxygen concentration in the air is not less than 17% in the event of a fire.

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Sommario

Foreword
3
Scope
4
Type model
5
Technical requirements
6
Test methods
8
Inspection rules
16
Marking packaging transportation storage
18

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