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TABLE
Uo VENTULATOR
PERFORMANCE
CALCULATION
DUCT PIECES
BOUND
__
_HT
8"
3-114" × 10"
,
STRAIGHT
3-I/4"
× 14"
r-A
STRAIGHT
EQUIVALENT iQUANTITY
SiZE LENGTH
USED
6"
U.2'
0.95'
0.7'
0°6'
U'
0°T
6"
U2'
9°°
7"
8'
ELBOW
BOUND
8"
6'
TOTAL
EQUIVALENT
LENGTH
DUCTPIECES
3=U4"×
10"
CENTER
REVERSE
ELBOW
LEFT
3oU4"X
mO"
CENTER
REVERSE
ELBOW
BIGHT
SiZE EQUBVALENT QUANTITY
TOTAL
USED
EQUIVALENT
LENGTH
LENGTH
N/A
m 5'
N/_
';'5'
3-1/4"X m0"
BIGHT
REVERSE
ELBOW
N/,_
25'
-_
6"
5'
4S°
7"
4'
ELBOW
BOUND
8"
3'
3=m14"x m0"
LEFT
REVERSE
ELBOW
NL_
i 5'
NIA
5'
BOUND
6"
_\WALL
CAP
Hodem #we8
8'_'
Model#WClO
1O"
2_
N/,A
i 5'
BOUND
7"
ROOF
CAP
8"
2_
-m/4-xms-
FLAT
N/A
ELBOW
20'
_3
2'
-I!4"×i0" Flex
Model #BD
i
20'
ROUND TO
6"
l '
l/4"Xl0"
7"
i'
3-1/4"xlO"
to Bound
_
3-//4"xmo"
6"
5'
ROUND
"t '_
3'
2w
_BOUND
TO
_-
3oml4"Xi 0"
10'
° ELBOW
7"
8'
_9
3"il4''xi0''
6"
TO BOUND
mO'
8° ELBOW
T'
5'
7" In-Line
Backdraft
Damper
_
-ml4"xmo"
Roof Jack
& Shutter,
Model # Bj310
_w
TOTAL (of both columns)=
MUST be LESS than:
Integral Blower - 85 ft.
Remote Blower - 70 ft.
Page 5
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