Explosion Proof Mining axial flow Fan

Explosion Proof Mining axial flow Fan,Explosion Proof Fan Chinacoal05 Specifications CBF Explosion Proof small Explosion Proof Mining axial flow Fan 1,Ex-mark:Exd II BT4 2,Rated voltage:AC220V/380V CBF Explosion Proof Mining Fan 1,Ex-mark:Exd II BT4 2,Rated voltage:AC220V/380V 3,Wind cylinder :Superior quality steel plate CBF Explosion Proof Mining Fan : 1, Designed for Explosive atmosphere Zone 1, Zone 2 2, Designed for Groups IIA, IIB, IIC, Temperature classes T1~T4 3,