Download excel sheets for air ducts calculations, duct sizing and friction loss. Download Air Duct Excl Sheets For Calculating duct friction loss, for rectangular and round duct, and equivalent round duct diameter.

• Duct Friction Loss
• Excel Sheets for Calculating Duct Size and Tables for Air Velocities
• Fan Static Head

Duct Friction Calculator xls:

This calculation Excel program makes it possible to carry out the calculation of the pressure losses on the duct works and air distribution systems.

Download Duct Friction Loss Excel Calculator:

Fan static head is calculated according to the duct friction loss. the more the value of friction loss is the more the static head of ventilation fan.