Determining Main Line Duct Size
velocity
Figure 56
Figure 56.
Determining Branch Line Duct Size
Note: Systems with powerful dust collectors work
better if multiple blast gates are left open. This
also allows you to run two machines at once.
Experiment with different combinations of blast
gates open/closed to find the best results for your
system.
Figure 57
Figure 57.
A few frequently asked questions when deter-
mining branch line sizes:
What size of branch line do I use if the machine
has two dust ports?
Figure 53
58
How do I manage two machines on the same
branch line?
1.
Figure 53
Figure 58
2.
Total CFM
Figure 58.
Figure
Figure 58
Branch Line Size