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DFD-150X series
Dynamic Rated FIRE DAMPERS with Sleeve
1
1
⁄2
Hour Fire Resistance Rating
APPLICATION
Model DFD-150X is approved for use in walls, floors and
partitions with fire resistance ratings less than 3 hours.
This model carries a 1
1
⁄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 .
RATINGS
UL555 Fire Resistance Rating
Fire Rating: 1 1/2 hours
Dynamic closure rating
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)
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.
STANDARD FEATURES
• Stainless steel closure springs
• Fusible links (165ºF (74ºC) standard, 212ºF (100ºC) and
286ºF (141ºC) available.
• Horizontal or vertical mount available
OPTIONAL FEATURES
• Security bars
• One piece retaining angles (POC)
• Transitions (B, C, CO, CR, & R)
• Steel stud connection
• Sealed transitions and sleeves
*
These dimensions are furnished approximately
1
⁄4 in. (6mm) undersize.
H
*
K
Damper
Location
W
*
C
L
Damper Fram
Sleeve
C
L
Damper Frame
Damper
Overall Sleeve Length
12 in. (305mm) = DFD-150X12
14 in. (356mm) = DFD-150X14
16 in. (406mm) = DFD-150X16
VERTICAL MOUNT
Fusible Link (replaceable)
HORIZONTAL MOUNT
K
C
L
Damper
Frame
P
*
10 in. (305mm) = DFD-150X10
H
*
K
Damper
Location
W
*
C
L
Damper Fram e
Sleeve
C
L
Damper Fram e
Damper
Overall Sleeve Length
12 in. (305mm) = FD-150X12
14 in. (356mm) = FD-150X14
16 in. (406mm) = FD-150X16
VERTICAL MOUNT
Fusible Link (replaceable)
(165º
F Std., 212º
available)
HORIZONTAL MOUNT
K
C
L
Damper
Frame
P
*
Model DFD-150X meets the requirements for fire dampers
established by:
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)
“UL CLASSIFIED (see complete marking on product)”
“UL CLASSIFIED to Canadian safety standards (see
complete marking on product)”
Standard 555 (Listing #R13317)