... Explosion proof Axial Flow Fan Type BT35-11Application1,Designed forExplosive atmosphere Zone 1, Zone 22,Designed forGroups IIA,IIB,Temperature ... ventilation and air the laboratoryFeatures1,Explosion proof axial flow fan is made up of explosion proof motor , fan blades ,wind ... steel pipe wiring and cable wiring. Technical parameters1,Explosion protection :ExdIIBT42,Rated voltage:AC 220/380V3,Ingress ...