ਸ਼ੇਨਹਾਈ ਧਮਾਕਾ-ਸਬੂਤ
The designation dIIBT4 refers to a Class II, Category B explosion-proof rating.
| II | ਬੀ | T4 | ਜੀ.ਬੀ | IP64 |
|---|---|---|---|---|
| Mine I | ਮੀਥੇਨ | T1 450℃ | ਮਾ Extremely high level of protection | IP64 |
| T2 300℃ | ||||
| ਐਮ.ਬੀ High level protection |
||||
| T3 200℃ | ||||
| I Surface Materials | ਪ੍ਰੋਪੇਨ | ਗਾ Extremely high level of protection |
||
| T4 135℃ | ||||
| ਈਥੀਲੀਨ | ਜੀ.ਬੀ High level protection |
|||
| T5 100℃ | ||||
| ਹਾਈਡ੍ਰੋਜਨ, ਐਸੀਟਿਲੀਨ | ਜੀ.ਸੀ General level protection |
|||
| 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 ਤਾਪਮਾਨ remains below 130°C.