申海防爆
在氣體和溫度類別中, BT4超過AT3, 因此提供更高的防爆等級.
| 三、 | C | 溫度135℃ | D b | IP65 |
|---|---|---|---|---|
| 三、 浮土 | T1 450℃ | 嘛 | IP65 | |
| T2 300℃ | MB | |||
| T3 200℃ | ||||
| A 易燃飛絮 | 和 | |||
| T4 135℃ | ||||
| D b | ||||
| 乙 非導電粉塵 | T2 100℃ | 直流 | ||
| C 導電粉塵 | T6 85℃ |
A 類包括乙烷等氣體, 甲醇, 乙醇, 和汽油; B 類包括住宅瓦斯等氣體, 乙烯, 和環氧乙烷.
The T3 temperature classification applies to environments up to 200℃ and includes 36 common gases such as gasoline and butyraldehyde. The T4 classification limits temperatures to 135℃, also for 36 gases including acetaldehyde and tetrafluoroethylene.