The Group defines the type of hazardous material in the surrounding atmosphere. Groups A, B, C, and D are for gases (Class I only).Continue Reading

Group DContinue Reading

Zone 0, 1, and 2 for Gas, and 20, 21, and 22 for Dust.Continue Reading

No, it’s only for General Purpose Weather Proof.Continue Reading

Liquids that have flash points from 21oC up to & including 55oC are handled at or above the flashpoint.Continue Reading

Class 1 is more hazardous than Class 2, so Class 2 could be considered a “safer” or better area compared to Class 1.Continue Reading

Zone 21 is an area in which combustible dust is likely to occur in normal operation, and Zone 22 is an area in which combustible dust is not likely to occur in normal operation and, if it occurs, will exist only for a short period.Continue Reading

Area in which combustible dust is likely to occur in normal operation.Continue Reading

Zone 1 is an area in which a flammable atmosphere is likely to occur in normal operation, and Zone 2 is an area in which a flammable atmosphere is not likely to occur in normal operation and, if it occurs, will exist only for a short period.Continue Reading

The Group defines the type of hazardous material in the surrounding atmosphere. Groups A, B, C, and D are for gases (Class I only) while groups E, F, and G are for dust and flyings (Class II or III).Continue Reading