Shenhai eksplozyon-prèv
Deziyasyon dIIBT4 la refere a yon Klas II, Kategori B evalyasyon eksplozyon-prèv.
| II | B | T4 | Gb | IP64 |
|---|---|---|---|---|
| Mine I | Metàn | T1 450 ℃ | Ma Extremely high level of protection | IP64 |
| T2 300℃ | ||||
| Mb High level protection |
||||
| T3 200 ℃ | ||||
| I Surface Materials | Pwopan | Ga Extremely high level of protection |
||
| T4 135℃ | ||||
| Etilen | Gb High level protection |
|||
| T5 100℃ | ||||
| Idwojèn, Asetilèn | Gc General level protection |
|||
| T6 85℃ |
The prefix ‘d’ denotes a flameproof type of enclosure, fèt pou nenpòt eksplozyon entèn yo genyen san yo pa domaje patiraj la ak anpeche pwopagasyon eksplozyon deyò;
IIB presize kategori gaz yo itilize;
T4 signifies that the product’s maximum surface tanperati remains below 130°C.