Square To Round Duct Transition Calculator

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. Equivalent duct calculator round vs rectangular. Friction loss calculator for flexible ducts.

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With some careful planning this is something you can do yourself.

Square to round duct transition calculator.

The table below can be used to compare equivalent diameters for rectangular and round circular ducts. Friction loss calculator for sheet metal ducts. 951 271 3950 toll free. Converting a rectangle to round sheet metal duct work is something that is common in hvac.

Round use a slightly smaller diameter for less crimping or to finish. This opened the door for the use of sheet metal for ducting. I want to calculate. For example if you found a duct that measured 10 inches by 5 inches its area would also be 50 square inches.

Step 6 select an adapter that will convert between the round and the square duct sizes from your local building supply center. Transition elbow offset box wedge. Corona ca 92882 office phone. Step 1 use a square or rectangle to round transition calculator.

The table is based on the ducts friction loss formula. Remember to add if bending the lower scrape in or out upper diameter. Square to round calculator. The rectangular dimensions and the air flow volume are adapted to the equal friction loss.

For example our original 8 inch round duct should be mated to the 10 inch by 5 inch rectangular duct. Other hart cooley mobile tools. Rectangle square to round transition.