... are mainly used in industrial boilers.The medium carried by ventilation fan must be below 250 °c.A dust collection device ... Direct Driving: case, impeller, air inlet, motor, system base.Vee belt Driving: case, impeller, air inlet, motor, system base, main shaft ... , driver system (bearing house, bearing), pulley, v-belt.SpecificationsAir Blower 1.aluminum oe Pure copper 2.Free standing ...