Shenhai e fakamoʻoni fakaʻauha
ʻOku ʻuhinga ʻa e dIIBT4 ki ha kalasi II, Faʻahinga ʻo e faʻahinga ʻo e fakamoʻoni fakaʻauha.
| II | B | T4 | Gb | IP64 |
|---|---|---|---|---|
| ʻAʻaku ʻoku ou | Methane | T1 450 ° c | Fineʻeiki Tuʻunga maʻolunga ʻaupito ʻo e maluʻi | IP64 |
| T2 300 ° c | ||||
| MB Maluʻi ʻo e tuʻunga maʻolunga |
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| T3 200 ° c | ||||
| Ngaahi naunau ʻoku ou ʻi ai | Kasa | GA Tuʻunga maʻolunga ʻaupito ʻo e maluʻi |
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| T4 135 ° c | ||||
| Ethylene | Gb Maluʻi ʻo e tuʻunga maʻolunga |
|||
| T5 100 ° c | ||||
| Fakapaaki ʻo e, Acetylene | Gc Maluʻi ʻo e tuʻunga fakalukufua |
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| T6 85 ° c |
Ko e muʻa cata ʻ d’ ʻuhinga ki ha faʻahinga flameproof ʻoku ʻi ai, fokotuʻutuʻu koeʻuhi ke ʻoua naʻa ʻi ai ha faʻahinga fakaʻauha ʻi loto ʻoku ʻikai ke ne maumauʻi ʻa e ngaahi meʻa ʻoku ʻi ai pea fakaʻehiʻehi mei he mafola ʻa e fakaʻauha ʻi tuʻa;
ʻOku fakamahinoʻi ʻe IIB ʻa e faʻahinga kasa ʻoku fakaʻaongaʻi;
ʻOku ʻuhinga ʻa e T4 ko e lahi taha ʻo e koloa mafana ʻo e ʻea kei tuʻu ʻi lalo he 130 ° c.