शेनहाई विस्फोट-प्रूफ
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.