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      Shandong yuyun sanhe——
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      ventilation fan，butterfly cone fan，heating maching，air inlet
    
        
      
        
        
       
            
          
            
                
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            FC-4 Air Inlet 
          
      
          
      
            
              
       
      		
          
      
          
      
            Keywords
          
      
          
      
            

      

      

      Adopt Excellent PS engineering plastic with a certain quantity of anti-aging agent under injection process; ensure a strong anti-aging function with longer lifespan.
      

      Special design in window door connection part offers a better sealing when close up.
      
Protection net connection change from button type to bolts & nuts type, which effectively avoid the damage in transportation.
      
Reset Spring and Pulley support are all made of excellent stainless steel, Lifespan is extended.
      

      Added with special designed pull rod pulley which reduce friction and facilitate installation mostly by holding up pull rod or steel rope.
      
Light trap can be offered in clients requests. Bolts connection gets the easy installation, save cost.
      
Air guide plate can be offered in clients requests. Added spring enables air guide plate to adjust it’s angle according to the window door opening angle.
      		
          
      
          
      
            
              PrveDJF series Centrifugal Push-Pull Exhaust Fan ( Double Rotational Hammer)
              
               
               
               
              
              NextFC-1 Air inlet
              
          
      
        
      
	
      
            
      

        
      
        
    
           

      





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