Business:
Business:
Box fan
Type: 50’’
data: size1380*1380*450
Exhaust fan frame: hot galvanized sheet frame
Sheet thickness of exhaust fan is 1mm(left and right is 0.8)
Zink thickness of exhaust fan is 275g/㎡
Fan blades: Germany-imported mirror face stainless steel 430
Thickness 1.2mm; sufacefinish grade: BA
Motor SIMENS
Belt MISTOBOSHI
Centrifugal system: high quality nylon PA66 to ensure the long service life
The fasteners of centrifugal system are all cooper rivets, wear-resisting and no rust, flexible.
Fan shutter: high strength hot galvanized steel sheet
The middle shutter thickness 1.5mm, others 0.8mm