User Manual



Figure 53. 
Duct
Dia.
Approximate
Static Pressure
Loss Per Foot of
Rigid Pipe
Approximate
Static Pressure
Loss Per Foot
of Flex Pipe
















    
    
    
    
    
    
    
    
    
Fitting
Dia.
90˚
Elbow
45˚
Elbow
45˚
Wye(Y)
90˚
Wye(Y)
    
    
    
    
    
    





To calculate the static pressure of any given
line in the system, follow these steps:
1.          



2. 
      

      

     

       

     





       




Calculating Duct Resistance
IdEaVcZg
7aVhi<ViZ
;aZmE^eZ
G^\^YE^eZ
G^\^YE^eZ
BV^cA^cZ
:aWdl
8aVbe
N7gVcX]
Figure 52.
Planning Drop Downs
        
Figure 
       
