ATEX and IECEx use the ‘zones’ system, where zone 0 is the most dangerous area, for gas environments.
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ATEX Zone 0IECExClass I, Div I
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ATEX Zone 0/20IECExMining Approved
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ATEX Zone 1/21IECExClass I, Div I
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ATEX Zone 0IECEx
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ATEX Zone 0IECExClass I, Div I
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ATEX Zone 0IECExClass I, Div II
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ATEX Zone 0IECExClass I / II, Div IMining Approved
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ATEX Zone 0IECExClass I/ II/ III, Div I / IIMining Approved
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ATEX Zone 0IECExClass I/ II/ III, Div I / IIMining Approved
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ATEX Zone 0IECExClass I, Div I / IIMining Approved
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ATEX Zone 0IECExClass I/ II/ III, Div I / IIMining Approved
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ATEX Zone 0
