Round Duct Sizing Chart

This equal friction method of duct sizing should be adequate for normal residential furnace heating and air conditioning applications.

Round duct sizing chart.

It calculates both rectangular and round duct dimensions. And it shows the velocity and or static pressure loss of air for both types of duct shape. It works with i p units united states united kingdom and metric units canada europe russia middle east asia. These duct chart are based on equal friction method with a friction loss value 0 1 inch 100ft.

Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators step one identify the volume of air that will be passing through the duct. Download free duct sizing chart pdf according to ashrae standard. Duct system sizes and airflow quick chart created date. Residential duct sizing guide the following duct sizes are based on a fraction drop of 10 inches per 100 feet of lineal duct.

Ductulator calculats duct dimensions using equal friction method or velocity method. Larger volumes or higher static pressures should be dealt with on an individual. Flex duct 05 on most metal duct calculator round metal pipe 06 on most metal duct calculators field duct sizing chart rectangular sheet metal duct 07 on most metal duct calculators duct size duct height net inside dimension in inches.