
Model FD-150X
HORIZONTAL MOUNT
K
CL Damper
Frame
Static Rated FIRE DAMPERS with Sleeve
Application
Model FD-150X is approved for use in walls, floors and
partitions with fire resistance ratings less than 3 hours.
This model carries a 1
classifies static rated fire dampers for use in HVAC systems
that are automatically shut down in the event of fire .
Ratings
UL555 Fire Resistance Rating
Fire Rating: 1 1/2 hours
Construction
Damper is galvanized steel (in gauges required by UL listing
R-13317). Sleeve is 20 ga. galvanized steel.
Standard Features
• Fusible links - 165°F (74°C) standard, 212°F (100°C) and
286°F (141°C) available
• Horizontal or vertical mount
Optional Features
• One piece retaining angles (POC)
• Transitions (B, C, CO, CR, & R)
• Steel stud connection
1
⁄2 hour UL fire damper label. UL 555
11⁄2
Hour Fire Resistance Rating
Model FD-150X meets the requirements for fire dampers
established by:
National Fire Protection Association
(NFPA Standards 80, 90A & 101)
IBC International Building Codes
New York City (MEA listing #260-91-M)
California State Fire Marshal (Listing #3225-981:102)
“UL CLASSIFIED (see complete marking on product)”
“UL CLASSIFIED to Canadian safety standards (see
complete marking on product)”
Standard 555 (Listing #R13317)
Sleeve
Damper
K
CL Damper
Frame
Note: Horizontal dampers must be installed with the “K”
dimension on the top side as shown (per UL test: see label
on damper). Horizontal dampers must have the access door
installed on the top side to facilitate reopening of the blades
should the link melt.
P
*
H
*
Replaceable fusible link
K
Damper
Location
Overall Sleeve Length
VERTICAL MOUNT
These dimensions are furnished approximately 1⁄4 in. (6mm) undersize.
*
CL Damper Frame
CL Damper Frame
10 in. = FD-150X10
12 in. = FD-150X12
14 in. = FD-150X14
16 in. = FD-150X16
W
*
Installation instructions available at www.greenheck.com

FD-150X TYPE ASIZING DATA
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.
Size Limitations
inches (mm)
Minimum 6 x 4
Maximum
Installation of sizes larger than the maximums shown requires approval of the authority having
jurisdiction.
Single Section Multi-section
(152 x 102)
48 x 48
(1219 x 1219)
1 Maximum Single Section Dimensions
48 in.
max.
Vertical or Horizontal
96 x 48 (2438 x 1219) or
120 x 40 (3048 x 1016)
NA
2 Multi-Section Limitations
Maximum height is 48 in. (1219mm) when width is 96 in.
(2438mm) or less.
48 in.
max.
Blade Stack
Dimensions
These dimensions are furnished
*
approximately
1
/4 in. (6mm) undersize.
48 in. max.
96 in. max.
3 Multi-Section Limitations
Maximum height is 40 in. (1016mm) when width is greater than 96 in. (2438mm) and less than or equal to 120 in.
(3048mm).
40 in. max.
120 in. max.

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.
Size Limitations
inches (mm)
Single Section Multi-section
Minimum 6 x 6
(152 x 152)
48 x 43
Maximum
Installation of sizes larger than the maximums shown requires approval of the authority
having jurisdiction.
(1219 x 1092)
1 Maximum Single Section Dimensions
43 in.
max.
2 Multi-Section Limitations
Maximum height is 43 in. (1092mm) when width is 96 in.
(2438mm) or less.
43 in.
max.
3 Multi-Section Limitations
Maximum height is 40 in. (1016mm) when width is greater
than 96 in. (2438mm) and less than or equal to 120 in.
(3048mm).
Vertical or Horizontal
NA
96 x 43 (2438 x 1092) or
120 x 35 (3048 x 889)
48 in. max.
96 in. max.
FD-150X TYPE B SIZING DATA
H*
W*
H* O* H* O*
6 (152) 8 (203) 25 (635) 29 (737)
7 (178) 9 (229) 26 (660) 30 (762)
8 (203) 10 (254) 27 (686) 31 (787)
9 (229) 11 (279) 28 (711) 32 (813)
10 (254) 12 (305) 29 (737) 33 (838)
11 (279) 13 (330) 30 (762) 34 (864)
12 (305) 14 (356) 31 (787) 35 (889)
13 (330) 15 (381) 32 (813) 36 (914)
14 (356) 16 (406) 33 (838) 38 (965)
15 (381) 18 (457) 34 (864) 39 (991)
16 (406) 19 (483) 35 (889) 40 (1016)
17 (432) 20 (508) 36 (914) 41 (1041)
18 (457) 21 (533) 37 (940) 42 (1067)
19 (483) 22 (559) 38 (965) 43 (1092)
20 (508) 23(584) 39 (991) 44 (1118)
21 (533) 24 (610) 40(1016) 45 (1143)
22 (559) 26 (660) 41 (1041) 46 (1168)
23 (584) 27 (686) 42 (1067) 47 (1194)
24 (610) 28 (711) 43 (1092) 48 (1219)
* 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).
O*
35 in.
max.
120 in. max.

Steel Stud Wall
Steel Stud
Frame
A-A
Retaining Bar
Cross-Section A-A
Wallboard
Steel Stud Frame
Steel Stud Wall
Steel Stud
Frame
A-A
Damper
Sleeve
FD-150X TYPE C, CO, CR, & RSIZING DATA
6 in. min.
42 in. max.
Type C Type CO
42 in.
max.
46 in.
max.
Type CR
42 in.
max.
46 in.
max.
Factory sleeved FD-150X series dampers are available only as single
section dampers.
inches
(mm)
Vertical or
Horizontal
C & CO CR R*
minimum maximum minimum maximum minimum maximum
6 x 5
(152 x 127)
46 x 42
(1168 x 1067)6 (152)
42
(1067)
(152)
1
6
46
(1168)
*1With 2 in. (50mm) offset. Sizes adjust with 1 in. (25mm) offset.
C, CO, CR transitions
are positioned 1
in.(25mm) from bottom
of sleeve.
Type R
6 in. min.
46 in. 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 914mm]) directly to the wall's steel stud framing.
This option replaces the angles that were previously required for wall installations.
Type CR
Type CO
H*
Type C
H*
D*+2
O*
D*
W*+2
O*
W*
W*+2
O*
W*
*Dimensions are in inches (mm). These
dimensions are furnished approximately
1/4 in. (6mm) undersize.
H or D* O*
5 (127) 8 (203)
6 (152) 9 (229)
7 (178) 10 (254)
8 (203) 11 (279)
9 (229) 12 (305)
10 (254) 13 (330)
11 (279) 14 (356)
12 (305) 15 (381)
13 (330) 16 (406)
14 (356) 17 (432)
15 (381) 19 (483)
16 (406) 20 (508)
17 (432) 21 (533)
18 (457) 22 (559)
19 (483) 23 (584)
20 (508) 24 (610)
21 (533) 25 (635)
22 (559) 27 (686)
23 (584) 28 (711)
24 (610) 29 (737)
25 (635) 30 (762)
26 (660) 31 (787)
27 (686) 32 (813)
28 (711) 33 (838)
29 (737) 34 (864)
30 (762) 35 (889)
31 (787) 36 (914)
32 (813) 37 (940)
33 (838) 39 (991)
34 (864) 40 (1016)
35 (889) 41 (1041)
36 (914) 42 (1067)
37 (940) 43 (1092)
38 (965) 44 (1118)
39 (991) 45 (1143)
40 (1016) 46 (1168)
41 (1041) 47 (1194)
42 (1067) 48 (1219)
Copyright © 2009 Greenheck Fan Corporation
FD-150X Rev. 9 Sept 2009