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  Air preheating E3.1b  
  Free technical programs - Visit the website: Tecnico Facile.com  
  Quick calculation for the sizing of the heating coil. Heat needed to give air (see law) before placing in an environment  
    preheating          
°c
    Flow temperature   In blue - Adjustable values    
    External temperature              
    Treated air m3 / h              
          Total    
    Summary m3/h ðt (°C) Kcal/h KW BTU kJ    
    treated air    
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