Mulingo Wotsimikizira Kuphulika Db

Db ikuyimira mulingo watsopano wadziko lonse pazolemba zosaphulika komanso chitetezo, zopangidwira makamaka zida zafumbi zomwe zimagwiritsidwa ntchito ku Zones 21 ndi 22.

III	C	Mtengo wa 135 ℃	Db	IP65
III Fumbi pamwamba		T1450 ℃	Mayi	IP65
		T2 300 ℃	Mb
		T3 200 ℃
	A Zouluka zoyaka moto		Ndipo
		T4 135 ℃
			Db
	B Non conductive fumbi	T2 100 ℃	Dc
	C Fumbi la conductive	T685℃

Chitsanzo ndi DIP A21 TA T6 Db DIP, kusonyeza chipangizo kwa malo fumbi; ngati atalembedwa Eks, it indicates suitability for gas environments.