IEVref:426-03-25ID:
Language:enStatus: Standard
Term: Zone 22
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Definition: area in which an explosive atmosphere in the form of a cloud of combustible dust in air is not likely to occur in normal operation but, if it does occur, will persist for a short period only

Note 1 to entry: The potential of creating an explosive dust cloud from a dust layer also needs to be considered.


Publication date:2020-03
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