Hazardous Area Classifications
- Categories:Ex-Proof Technology
- Author:
- Origin:
- Time of issue:2020-12-21
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(Summary description)Hazardous areas are usually formally classified into Zones according to the duration of occurrence of hazardous materials as follows
Hazardous Area Classifications
(Summary description)Hazardous areas are usually formally classified into Zones according to the duration of occurrence of hazardous materials as follows
- Categories:Ex-Proof Technology
- Author:
- Origin:
- Time of issue:2020-12-21
- Views:0
Hazardous areas are usually formally classified into Zones according to the duration of occurrence of hazardous materials as follows
|
Zone 0 |
Flammable atmosphere present continuously or for long periods or frequently. (Typically >1000 hrs/year)Zone 1 |
|
Zone 1 |
Flammable atmosphere likely under normal operation occasionally. (Typically 10-1000 hrs/year) |
|
Zone 2 |
Flammable atmosphere unlikely under normal operation and, if it occurs, will exist only for a short period. (Typically <10 hrs/year) |
|
Zone 20 |
Flammable atmosphere present continuously or for long periods or frequently. |
|
Zone 21 |
Flammable atmosphere likely under normal operation, occasionally. |
|
Zone 22 |
Flammable atmosphere unlikely under normal operation and, if it occurs, will exist only for a short period. |
1）The falling, deposition and accumulation of combustible dust should belong to other explosive sources that form explosive atmosphere.
2）"Normal operation" means the forklift runs in accordance with its design parameter
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