400mm industrial axial flow fan with external rotor motor
1.material:impeller compeletely made of cold rolled steel
3.Type of protection:IP44.
5-sickle bladed poled die-cast aluminum impeller, sizes from 200 to 710mm, available in 60Hz and UL types, air volume from 480 to 16080m3/h. The center-plate of impellers fit areo-dynamic profile. All impellers have passed balance test according to our own standard, which is higher than national standard.
All bearings in fans are manufactured by brand name companies of Japan. These ball race type shaft bearings are hermetically sealed, pre-greased and self-aligning. Under, normal duties, these bearings are service free.
The motors inside are all newly external rotor motor with thermal protector inside and this insulation class of motor is F. We can also supply motors in other brand as client appointed.
For installation in equipment with short bell mouth, high flexibility by variation of blade angle and speed of motor, available in both air row directions as well as 60Hz.
Ventilation, air conditioning, heating technology, drying, cooling, agriculture