hazard-zone-2-explosive-gas
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hazard zone 2 explosive gas
HB50
area in which an explosive gas atmosphere is not likely to occur in normal operation and if it does occur it will exist for a short period only
This zone applies to areas where flammable materials are used but where an explosive gas atmosphere would occur only in the event of an accident or some unusual operating condition. This zoning may also apply to the interface between a Zone 1 area.