심해 방폭
The designation dIIBT4 refers to a Class II, Category B explosion-proof rating.
| II | 비 | T4 | Gb | IP64 |
|---|---|---|---|---|
| Mine I | 메탄 | T1 450℃ | 엄마 Extremely high level of protection | IP64 |
| T2 300℃ | ||||
| MB High level protection |
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| T3 200℃ | ||||
| I Surface Materials | 프로판 | 가 Extremely high level of protection |
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| T4 135℃ | ||||
| 에틸렌 | Gb High level protection |
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| T5 100℃ | ||||
| 수소, 아세틸렌 | GC General level protection |
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| T6 85℃ |
The prefix ‘d’ denotes a flameproof type of enclosure, designed so that any internal explosion is contained without damaging the enclosure and preventing the spread of explosion outside;
IIB specifies the category of gas utilized;
T4 signifies that the product’s maximum surface 온도 remains below 130°C.