DFD-150X series
Dynamic Rated FIRE DAMPERS with Sleeve
11⁄2 Hour Fire Resistance Rating
APPLICATION
Model DFD-150X meets the requirements for fire dampers
established by:
Model DFD-150X is approved for use in walls, floors and
partitions with fire resistance ratings less than 3 hours.
This model carries a 11⁄2 hour UL fire damper label. UL
555 classifies dynamic rated fire dampers for use in HVAC
systems that are operational in the event of fire .
National Fire Protection Association
(NFPA Standards 80, 90A & 101)
BOCA National Building Codes
ICBO Uniform Building Codes (UBC Standard 43-7)
SBCCI Standard Building Codes
New York City (MEA listing #260-91-M)
California State Fire Marshall
(Listing #3225-981:102 for use in walls)
RATINGS
UL555 Fire Resistance Rating
Fire Rating: 1 1/2 hours
Dynamic closure rating
“UL CLASSIFIED (see complete marking on product)”
“UL CLASSIFIED to Canadian safety standards (see
complete marking on product)”
Maximum Velocity: 4000 fpm (20.3 m/s) up to 24 in. x 24 in.
(610mm x 610mm) 2000 fpm (10.2 m/s) above
24 in. x 24 in. (610mm x 610mm)
Standard 555 (Listing #R13317)
Maximum Pressure: 4 in. wg (1 kPa)
CONSTRUCTION
Damper is galvanized steel (in gauges required by UL listing
R-13317) sleeve is 20 ga. galvanized steel.
Damper
Sleeve
P
*
STANDARD FEATURES
• Stainless steel closure springs
H
*
• Fusible links (165ºF (74ºC) standard, 212ºF (100ºC) and
286ºF (141ºC) available.
Fusible Link (replaceable)
• Horizontal or vertical mount available
OPTIONAL FEATURES
• Security bars
K
Damper
Location
C Damper Frame
L
• One piece retaining angles (POC)
• Transitions (B, C, CO, CR, & R)
• Steel stud connection
W
*
Overall Sleeve Length
10 in. (305mm) = DFD-150X10
12 in. (305mm) = DFD-150X12
14 in. (356mm) = DFD-150X14
16 in. (406mm) = DFD-150X16
• Sealed transitions and sleeves
VERTICAL MOUNT
These dimensions are furnished approximately 1⁄4 in. (6mm) undersize.
*
K
C Damper
L
Frame
HORIZONTAL MOUNT
DFD-150X Type B
Dampers larger than maximum single section size are supplied in 2 or more sections of equal size.
The following chart and illustrations show minimum and maximum damper section size and assembly configurations for
multi-section dampers.
Type B Overall
Damper Dimensions
1
Maximum Single Section Dimensions
O*
H*
32 in. (813mm) max.
W*
36 in. (914mm) max.
H*
O*
H*
O*
32(813)
36 (914)
36 (914)
37 (940)
38 (965)
39 (991)
6 (152)
8 (203)
33 (838)
34 (864)
35 (889)
36 (914)
37 (940)
38 (965)
39 (991)
40 (1016)
41 (1041)
42 (1067)
43 (1092)
44 (1118)
45 (1143)
46 (1168)
47 (1194)
48 (1219)
49 (1245)
50 (1270)
51 (1295)
52 (1321)
53 (1346)
54 (1372)
55 (1397)
56 (1422)
7 (178)
9 (229)
8 (203)
10 (254)
11 (279)
12 (305)
13 (330)
14 (356)
15 (381)
16 (406)
18 (457)
19 (483)
20 (508)
21 (533)
22 (559)
23(584)
24 (610)
26 (660)
27 (686)
28 (711)
29 (737)
30 (762)
31 (787)
32 (813)
33 (838)
34 (864)
35 (889)
2
MULTI-SECTION LIMITATIONS
Maximum height is 45 in. (1143mm) when width is 72 in.
(1829mm) or less.
9 (229)
10 (254)
11 (279)
12 (305)
13 (330)
14 (356)
15 (381)
16 (406)
17 (432)
18 (457)
19 (483)
20 (508)
21 (533)
22 (559)
23 (584)
24 (610)
25 (635)
26 (660)
27 (686)
28 (711)
29 (737)
30 (762)
31(787)
40 (1016)
41 (1041)
42 (1067)
43 (1092)
44 (1118)
45 (1143)
46 (1168)
47 (1194)
48 (1219)
50 (1270)
51 (1295)
52 (1321)
53 (1346)
54 (1372)
55 (1397)
56 (1422)
57 (1448)
58 (1473)
59 (1397)
60 (1524)
45 in. (1143mm) max.
72 in. (1829mm) max.
* These dimensions are furnished approximately 1/4 in. (6mm)
undersize. (All ‘H’ dimensions larger than single section height are
two sections high. Refer to chart. The top section is a Type B and
the bottom sections are Type A).
DFD-150X Types CR, CO & C
DFD-150X dampers with C, CO, CR, and R transitions are available only as single section dampers.
The following chart show minimum and maximum damper size. Dimensions are in inches (mm in parentheses).
Type CR
Type CO & C
Type R*1
D*+2
inches (mm)
Type CR
Minimum Maximum Minimum
Maximum
Minimum Maximum
O*
Single Section
6
31
6 x 5
34 x 31
6
34
Vertical
(152)
(787)
(152 x 127)
(864 x 787)
(152)
(864)
D*
Single Section
6
31
6 x 5
34 X 31
6
34
W*+2
Horizontal
(152)
(787)
(152 x 127)
(864 X 787)
(152)
(864)
Type CO
O*
*1
With 2 in. (50mm) offset. Sizes adjust with 1 in.(25mm) offset.
H*
W*
C, CO, CR transitions are
positioned 1 in. (25mm)
from bottom of sleeve.
W*+2
Type C
O*
H*
Type CR
Type R
W*
H or D*
O*
5 (127)
6 (152)
7 (178)
8 (203)
9 (229)
31in. (787mm) max.
34 in. (787mm) max.
10 (254)
8 (203)
9 (229)
11 (279)
12 (305)
13 (330)
14 (356)
15 (381)
16 (406)
17 (432)
19 (483)
20 (508)
21 (533)
22 (559)
23 (584)
24 (610)
25 (635)
27 (686)
28 (711)
29 (737)
30 (762)
31 (787)
32 (813)
33 (838)
34 (894)
35 (889)
36 (914)
Type C
Type CO
10 (254)
11 (279)
12 (305)
13 (330)
14 (356)
15 (381)
16 (406)
17 (432)
18 (457)
19 (483)
20 (508)
21 (533)
22 (559)
23 (584)
24 (610)
25 (635)
26 (660)
27 (686)
28 (711)
29 (737)
30 (762)
31 (787)
31 in. (787mm)
Max
31 in. (787mm)
Max
34 in. (864mm)
Max
34 in. (864mm)
Max
Steel Stud Connection (SSC) Option
The Steel Stud Connection (SSC) Option allows fastening of the damper sleeve (up
to 36 in. W x 36 in. H [914mm x 914m]) directly to the wall's steel stud framing. This
option replaces the angles that were previously required for wall installations.
Steel Stud
Frame
Wallboard
Steel Stud Frame
Retaining Bar
Damper
Sleeve
A-A
Cross-Section A-A
* Dimension are in inches (mm). These dimensions are
furnished approximately 1/4 in. (6mm) undersize.
Steel Stud Wall
Copyright © 2008 Greenheck Fan Corporation
DFD-150X series Rev. 13 July 2008
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