Flow Calculations
Engineering Data
Mass Flow
Gas/Air
Liquid Flow
All calculations for
Systems for Industry
are based on round pipe. You must convert the rectangular pipe or duct to an equal round size using the formula below.
D = round diameter equal to the rectangular pipe or duct
L = Length of long side
W = Length of short side
D = SQUARE ROOT (L x W x 4 / 3.1416)