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Multiple Dust Ports
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Two Machines on Same Branch Line
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Total CFM Branch Line Size
+%% *
,%% *
-%% +
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Calculating Duct Resistance
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bZci[dgi]ZbVX]^cZ#JhZi]ZX]Vgih^cFigure 52
idXVaXjaViZi]ZgZh^hiVcXZd[YjXildg`#
Duct
Dia.
Approximate
Static Pressure
Loss Per Foot of
Rigid Pipe
Approximate
Static Pressure
Loss Per Foot
of Flex Pipe
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A^cZh
Vi(*%%
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Fitting
Dia.
90˚
Elbow
45˚
Elbow
45˚
Wye(Y)
90˚
Wye(Y)
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