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