
Duct Size vs. Airflow – Part 1 | Russell King, M.E.
Aug 20, 2012· Table 1 – Duct Size vs. Airflow at a Friction Rate of 0.1. Table 1 is an example of the airflow that you would get from various size vinyl flex ducts in a system with a friction rate of 0.1 iwc/100’. Now, I’m taking a huge risk by putting this table out there and I …