Ductulator Hvac Duct Sizing Calculator

Friction rate velocity friction rate. And it shows the velocity and or static pressure loss of air for both types of duct shape. Convert rectangular duct to round equivalent.

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Online ductulator free duct size calculator.

Ductulator hvac duct sizing calculator.

Includes scales for friction loss per unit length air volume air velocity round duct diameter and rectangular duct diameters. Read round duct diameter inches and friction loss per 100 of duct inches of water. Ductulator calculats duct dimensions using equal friction method or velocity method. 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.

In wg duct tel. It calculates both rectangular and round duct dimensions. Metal ductboard flex size by. Duct sizer ductulator for hvac air ducts.

Home hvac hvac duct size calculator excel free ductulator hvac duct size calculator excel free ductulator 7 15 2018 01 15 00 am. It works with i p units united states united kingdom and metric units canada europe russia middle east asia. Rectangular duct is rounded up to the nearest 1 4 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.

Sheet metal duct friction loss calculator. It is designed for calculating and sizing duct dimensions according to air volume cfm roughness velocity etc. Include fittings in the duct tel enter either. Unless within 2 the diameter is rounded up to the nearest inch.

Enter duct airflow cfm duct velocity fpm duct length and the number of bends.

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