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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 |
+%% | * |
,%% | * |
+ | |
&%%% | + |
&'%% | , |
&)%% | |
&+%% |
Figure 51.7gVcX]a^cZh^o^c\X]VgiWnidiVa8;B [dgjhZl]Zcbjai^eaZbVX]^cZhh]VgZi]Za^cZ#
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Calculating Duct Resistance
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I]Z ejgedhZ d[ XVaXjaVi^c\ i]Z gZh^hiVcXZ ^h id YZiZgb^cZ^[^i^hadlZcdj\][gdbi]ZbVX]^cZid i]ZYjhiXdaaZXidgidbZZii]Z\^kZc8;BgZfj^gZ" bZci[dgi]ZbVX]^cZ#JhZi]ZX]Vgih^cFigure 52 idXVaXjaViZi]ZgZh^hiVcXZd[YjXildg`#
Duct | Approximate | Approximate | ||
Dia. | Static Pressure | Static Pressure | ||
| Loss Per Foot of | Loss Per Foot | ||
| Rigid Pipe | of Flex Pipe | ||
| BV^c | 7gVcX] | BV^c | 7gVcX] |
| A^cZh | A^cZh | A^cZh | A^cZh |
| Vi(*%% | Vi)%%% | Vi(*%% | Vi)%%% |
| ;EB | ;EB | ;EB | ;EB |
' | #%.& | #&'' | #(* | #)*( |
'#* | #%- | #&%, | #(%+ | #(., |
( | #%,& | #%.) | #',& | #(*' |
) | #%*, | #%,* | #'&* | #'- |
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+ | #%(, | #%), | #&(+ | #&- |
, | #%'. | #%(+ | #&%+ | #&)& |
#%'( | #%', | #%- | #&%- | |
. | #%&, | #%&. | #%*, | #%,. |
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Fitting | 90˚ | 45˚ | 45˚ | 90˚ |
Dia. | Elbow | Elbow | Wye(Y) | Wye(Y) |
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( | #), | #'(* | ||
) | #)* | #''* | #(,* | #''* |
* | #*(& | #'++ | #(*) | #'(+ |
+ | #*+) | #('. | #'(* | |
, | #)+- | #'() | #(') | #'&+ |
#)%* | #'%( | #'., |
Figure 52.HiVi^XegZhhjgZadhhX]Vgih#
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