KMC Controls BAC-8007 Installation Guide - Manual (Page 83)

A p p e n d i x A : K - f ac t o r s
To set up a VAV controller, a K-factor must be entered into the controller.
Typically, this is part of the airflow chart that the manufacturer places on the
VAV unit. If this information is missing and not available from the
manufacturer, use the K-factor in the following chart.
Duct size in inches K-factor
4 265
5 357
6 460
7 652
8 890
9 1145
10 1143
12 1972
14 2771
16 3741
20 2106
22 2106
26 2498
40 7176
24 x 16 6980
Table A–1 Start point K factors
SimplyVAV Appendix A: K-factors
Revision E 83