DJF(a)type swung drop hammer exhaust fan

 1)The fan blade is stainless steel , big air volume, without distortion, no broken, attractive and durable.( adopting aluminum fan blade in the past, which had some problems caused after long time working of metal in the factory cooling, for example broken and air volume decreasing).  
     
  2) Adopts automatic belt tensioner which can adjust up and tight so that the belt can't loose and drop .  
   3) The belt pulley adopts more stiffening rib and processed by sandblasting, become attractive, eliminate the internal stress and increase own strength efficiently;    
      
 4)  France imported axletree(bearings), high intensity, low noise, long service life.  
  5) Variety sizes of shape and install conveniently.Size of shape(blade): 620mm(24″)\780mm(30″)\830mm(32″)\900mm(35″)\1000mm(39″)\1100mm(43″)\1220mm(48″)\1380mm(54″)\1530mm(60″)nine kinds.  
      
6) We can manufacture A type belt or B type belt according to the sale of dealer, and satisfy different needs of customers.   
     
7) SANHE fans were adjusted by advanced computer balancing tester, to smooth operating, reduce noise,enhance stability, extend service life.     
 Any needs please feel free to contact with Ms Lisa huang.