Planning Drop Downs; Calculating Duct Resistance - Grizzly G0548Z Owner's Manual

Planning Drop Downs

Figure 52.

Calculating Duct Resistance

Duct Approximate
Dia. Static Pressure
Loss Per Foot of
Rigid Pipe
Fitting 90˚ 45˚
Dia. Elbow Elbow
Figure 53.
To calculate the static pressure of any given
line in the system, follow these steps:
1.
2.
Approximate
Static Pressure
Loss Per Foot
of Flex Pipe
45˚ 90˚
Wye(Y) Wye(Y)