Iyiphi Indawo Yokufakazela Ukuqhuma Ethi DIIBT4

Igama elithi dIIBT4 lisho Ikilasi II, Isilinganiso sokuvikela ukuqhuma kwesigaba B.

II	B	T4	Gb	IP64
Mine I	I-Methane	T1 450℃	Ma Extremely high level of protection	IP64
		T2 300℃
			Mb High level protection
		T3 200℃
I Surface Materials	I-Propane		Ga Extremely high level of protection
		T4 135℃
	I-Ethylene		Gb High level protection
		T5 100℃
	I-hydrogen, I-acetylene		Gc General level protection
		T6 85℃

The prefix ‘d’ denotes a flameproof type of enclosure, yakhelwe ngendlela yokuthi noma yikuphi ukuqhuma kwangaphakathi kuqukethwe ngaphandle kokulimaza indawo ebiyelwe futhi kuvimbele ukusabalala kokuqhuma ngaphandle.;

I-IIB icacisa isigaba segesi esetshenzisiwe;

T4 signifies that the product’s maximum surface izinga lokushisa remains below 130°C.