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Cape
Backdraft
Damper
• Silent
• Economical
• Energy Efficient
• Easy Installation
• Innovative Design
• No Mechanical Parts
• Made in the USA
• Rated to 160ºF/71ºC
The Cape B
ackdr
aft Damper
is the ultimate one way air
flo
w val
ve desig
ned
to
o
verco
me the
in
eff
icien
cies
and
limitations of
traditional gravity
or but
t
e
rfly
da
m
pe
rs.
Weatherization Works
Tamarack’s
Cape
Backdraft Damper
features a specially
formulated fabric sleeve
attached to an outer
metal sleeve that enables
maximum air flow in the
desired direction and
closes with minimal
pressure in the
opposite direction.
Tamarack Technologies
CAPE BACKDRAFT
CAPE BACKDRAFT
ULTIMATE AIRFLOW DAMPER
LIK
E U
S
O
N
FACEBOO
K
FOLLOW US
ON TWITTER
800-222-5932
The Tamarack Cape Backdraft
Damper is a non-mechanical
in-line one way air flow valve
that requires minimal pressure
to open or close. Tested to
UL 723 and NFPA 255 standards.
This non-restrictive damper
fits inside the duct.
4”, 5”, 6”, 7” & 8”
sizes available.
MAXIMUM
Cape Backdraft Damper
The
Ca
pe
B
a
c
k
dr
a
ft Da
mpe
r
w
a
s te
ste
d a
ga
inst
tw
o othe
r
da
mpe
r
s a
t mode
r
a
te
a
ir
flow
(a
ir
flow
typic
a
l for
a
re
side
ntia
l ve
ntila
tion a
pplic
a
tion).
The
fa
n r
a
n using ope
n duc
tw
or
k
to se
t the
de
sire
d a
ir
flow
.
Ea
c
h type
of da
mpe
r
w
a
s the
n
inse
r
te
d into the
a
ir
stre
a
m.
The
a
ir
flow
w
a
s
me
a
sure
d a
nd the
le
a
k
a
ge
r
a
te
s a
t va
r
ious
pre
ssure
s re
c
orde
d for
c
ompa
r
ison in the
c
ha
r
ts on the
r
ight a
nd be
low
.
Metal Sleeve O.D.
P/N CBD-5
AIR FLOW!
800-222-5932
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