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AIRFOIL BLADE FIRE DAMPERS
Model Series D1200 dampers with duct heights less than 8" (203) require a type 'B' sleeve enclosure
(Models D1202/D1202-3). Units less than 8" (203) in width only, or in both width and height, require a Type
'C' enclosure (Models D1203/D1203-3).
WITH TYPE A SLEEVE: MODELS D1201/D1201-3
DAMPER
CCW
TO
OPEN
SLEEVE
8" (203)
16" (406) STANDARD
E
Minimum
Wall
Sleeve
Thickness
Length
4 (102)
16 (406)
8 (203)
20 (508)
12 (305)
24 (610)
16 (406)
28 (711)
'C' ENCLOSURE BOTH ENDS
SLEEVE
D –
DAMPER
1/8" (3)
CCW
(D –
TO
1/4" (6)
OPEN
OVER
36"
(914))
8" (203)
5" (127)
STANDARD
16" (406) STANDARD
Min. Duct Size: Vertical or Horizontal mount:
4" (102) diameter.
(Overall damper size is 8" x 8"
(203 x 203) min.).
Max. Duct Size: Single Section
Vertical mount:
Horizontal mount: 30" (762) diameter.
Multiple Section Assembly Model 1203
Vertical or
Horizontal mount: 46" (1168) diameter.
Multiple Section Assembly Model 1203-3
Multiple Section Assemblies are not permitted.
Previous View
E6
E6
1 7/8" (48) MAX.
5" (127)
Standard factory sleeve
(caulked
to
requirements) 16" long x
20 ga. (406 x 1.0).
Available up to 36" (914)
dependent upon wall
thickness
and
through 20 ga. (3.5 - 1.0).
TYPE C SLEEVE ENCLOSURES:
MODELS D1203/D1203-3
*
D
D =
+
NOM.
2"
DUCT
(51)
DIA.
*
STYLE CR : FOR ROUND DUCT
34" (864) diameter.
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TYPE B SLEEVE ENCLOSURE: MODELS D1202/D1202-3
'B'
ENCLOSURE
CCW
BOTH ENDS
TO
OPEN
DAMPER
SLEEVE
8" (203)
5" (127)
16" (406) STANDARD
Min. Duct Size: 8" x 4" (203 x 102)
(Overall damper height is 8" (203)).
UL
Max. Duct Size: Single Section
Vertical mount:
Horizontal mount:
Multiple Section Assembly Model 1202
Vertical mount:
10
Horizontal mount:
Multiple Section Assembly Model 1202-3
Multiple Section Assemblies are not permitted.
*
H
+
2"
H
(51)
or 8"
*
*
(203) min.
STYLE CO : FOR OVAL DUCT
Min. Duct Size: Vertical or Horizontal mount:
4" x 4" (102 x 102).
(Overall damper size is 8" x 8"
(203 x 203) min.).
Max. Duct Size: Single Section
Vertical mount:
Horizontal mount: 30" x 46" (762 x 1168).
Multiple Section Assembly Model 1203
Vertical mount:
Horizontal mount: 62" x 46" (1575 x 1168) or
Multiple Section Assembly Model 1203-3
Multiple Section Assemblies are not permitted.
Dimensions
36" x 7 1/2" (914 x 191).
32" x 7 1/2" (813 x 191).
72" x 7 1/2" (1829 x 191).
64" x 7 1/2" (1626 x 191).
*
H
+
H =
2"
NOM.
(51)
DUCT
SIZE
or 8" (203) min.
*
*
STYLE CSR : FOR SQUARE OR
RECTANGULAR DUCT
34" x 46" (864 x 1168).
70" x 46" (1778 x 1168) or
34" x 94" (864 x 2388).
30" x 94" (762 x 2388).
Performance
Specification
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