Read round duct diameter inches and friction loss per 100 of duct inches of water.
Square to round duct calculator.
Add for left seam.
Round use a slightly smaller diameter for less crimping or to finish the top with an added round collar lower.
The table below can be used to compare equivalent diameters for rectangular and round circular ducts.
This is a handy tool when deciding what size duct you want to use for your application.
New duct sizing chart xls.
I want to calculate.
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The table is based on the ducts friction loss formula.
Remember to add if bending the lower scrape in or out upper diameter.
Enter duct airflow cfm duct velocity fpm duct length and the number of bends.
Wide x deep lower scrape.
It is particularly handy to provide the area in square feet of round duct as well.
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.
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This calculator can be used to calculate the area in square feet when the height inches and width inches of rectangular duct is known.
The equivalent diameter is the diameter of a circular duct or pipe that gives the same pressure loss as an equivalent rectangular duct or pipe.
The rectangular dimensions and the air flow volume are adapted to the equal friction loss.
Equivalent duct calculator round vs rectangular.
1 of 2 identical pieces like a clam.
Algona wa 98001 ph.
Convert round duct size to rectangular duct size for equivelant airflow.
Tolerance of 125 will be automatically added to each dimension.
Cui devices air flow conversion calculator can be used to convert between common units for volume air flow and air velocity flowing past a point in a specified area of duct.
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Friction loss calculator for flexible ducts.
Other hart cooley mobile tools.
Rectangular to round conversion.
Sheet metal duct friction loss calculator.
Square to round calculator.
To use the calculator enter your air velocity or volume air flow and duct area type select your units click calculate air flow and your converted velocity and volume.
