The designation dIIBT4 refers to a Class II, Category B explosion-proof rating.
II | بی | T4 | جی بی | IP64 |
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Mine I | میتھین | T1 450℃ | ایم اے Extremely high level of protection | IP64 |
T2 300℃ | ||||
ایم بی High level protection |
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T3 200℃ | ||||
I Surface Materials | پروپین | Ga Extremely high level of protection |
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T4 135℃ | ||||
ایتھیلین | جی بی High level protection |
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T5 100℃ | ||||
ہائیڈروجن, ایسیٹیلین | 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 درجہ حرارت remains below 130°C.