The designation dIIBT4 refers to a Class II, Category B explosion-proof rating.
द्वितीय | बी | टी -4 | जीबी | IP64 |
---|---|---|---|---|
Mine I | मीथेन | टी1 450℃ | एमए Extremely high level of protection | IP64 |
टी2 300℃ | ||||
एमबी High level protection |
||||
टी3 200℃ | ||||
I Surface Materials | प्रोपेन | गा Extremely high level of protection |
||
टी4 135℃ | ||||
ईथीलीन | जीबी High level protection |
|||
T5 100℃ | ||||
हाइड्रोजन, एसिटिलीन | Gc General level protection |
|||
टी6 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 तापमान remains below 130°C.