It is designed for calculating and sizing duct dimensions according to air volume cfm roughness velocity etc.
Ductulator hvac duct sizing calculator.
Convert rectangular duct to round equivalent.
It calculates both rectangular and round duct dimensions.
Include fittings in the duct tel enter either.
Sheet metal duct friction loss calculator.
Rectangular duct is rounded up to the nearest 1 4 inch.
It works with i p units united states united kingdom and metric units canada europe russia middle east asia.
The ductulator duct sizing calculator is a hand held rotating calculator used for sizing supply and return duct systems using the equal friction design method.
And it shows the velocity and or static pressure loss of air for both types of duct shape.
Unless within 2 the diameter is rounded up to the nearest inch.
This ductulator uses the colebrook equation to calculate the smallest duct size acceptable for the selected friction rate and duct type that stays within the selected acca manual d recommended velocities.
Enter duct airflow cfm duct velocity fpm duct length and the number of bends.
Ductulator calculats duct dimensions using equal friction method or velocity method.
Duct sizer ductulator for hvac air ducts.
Includes scales for friction loss per unit length air volume air velocity round duct diameter and rectangular duct diameters.
Friction rate velocity friction rate.
Read round duct diameter inches and friction loss per 100 of duct inches of water.
Home hvac hvac duct size calculator excel free ductulator hvac duct size calculator excel free ductulator 7 15 2018 01 15 00 am.