APPICATION and Design
Model
FD-3V
is a fire damper with curtain type blades for use in HVAC systems that shut down
during a fire event. The
FD-3V
has been qualified with the Fire Resistance Rating up to
3 hr
. It
may be used for the fire wall, dividing wall (the brick wall or the gypsum board).
Model Nomenclature
Fire Resistance Rating
Max Velocity
0
No Fire Rating
1
10.2 m/s (2000 fpm)
1
1 hr.
2
15.2 m/s (3000 fpm)
2
1.5 hr.
3
20.3 m/s (4000 fpm)
3
3 hr.
Closure Temperature of Fusible Link
(Operating Temperature)
Max Pressure
A
0.5 kPa (2 in. w.g.)
A
74
℃
(165
℉
)Closure/Operating
B
1.0 kPa (4 in. w.g.)
B
100
℃
(212
℉
)Closure/Operating
C
1.5 kPa (6 in. w.g.)
C
121
℃
(250
℉
)Operating
D
2.0 kPa (8 in. w.g.)
D
141
℃
(286
℉
)Closure/Operating
E
2.5 kPa (10 in.w.g.)
E
177
℃
(350
℉
)Closure/Operating
UL Classified
UL 555 Listing R26192
See Complete Marking
on Product
The FD-3V damper meets the following
requirement for fire dampers established by:
National Fire Protection Association
NFPA Standards 80, 90A, 92A, 92B & 101
ICC International Code Council
IBC International Building Code
NBC National Building Code
SFPE Society of Fire Protection Engineers
Handbook of Fire Protection Engineering
Summary of Contents for FD-3V
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