Ductulator Hvac Duct Sizing Calculator

Home hvac hvac duct size calculator excel free ductulator hvac duct size calculator excel free ductulator 7 15 2018 01 15 00 am. Convert rectangular duct to round equivalent. It works with i p units united states united kingdom and metric units canada europe russia middle east asia.

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Read round duct diameter inches and friction loss per 100 of duct inches of water.

Ductulator hvac duct sizing calculator.

Friction rate velocity friction rate. Ductulator calculats duct dimensions using equal friction method or velocity method. Includes scales for friction loss per unit length air volume air velocity round duct diameter and rectangular duct diameters. And it shows the velocity and or static pressure loss of air for both types of duct shape.

It calculates both rectangular and round duct dimensions. 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. 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. Metal ductboard flex size by.

In wg duct tel. Rectangular duct is rounded up to the nearest 1 4 inch. Unless within 2 the diameter is rounded up to the nearest inch. It is designed for calculating and sizing duct dimensions according to air volume cfm roughness velocity etc.

Duct sizer ductulator for hvac air ducts. Include fittings in the duct tel enter either. Sheet metal duct friction loss calculator. Enter duct airflow cfm duct velocity fpm duct length and the number of bends.

Online ductulator free duct size calculator.

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