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Model FDR-510 meets the requirements for fire dampers
established by:
National Fire Protection Association
(NFPA Standards 80, 90A & 101)
Underwriters Laboratories Standard 555
(Listing #R-13317)
IBC International Building Codes
Model FDR-510
Static Rated Round Fire Dampers
1
1
/2 Hour Fire Resistance Rating
Copyright ©2008 Greenheck Fan Corporation
FDR-510 Rev. 6
Aug 2008
*
These dimensions are furnished approximately 1/8 in. (3mm)
smaller than nominal.
Features:
• Stainless steel closure springs
• Fusible links - 165ºF (74ºC) standard; 212ºF (100ºC) and 286ºF
(141ºC) available
• Can be mounted horizontally or vertically
• Only one retainer plate required (one retainer plate supplied
with damper)
• Additional retainer plate available
• 14 ga. (2mm) or 16 ga. (1.5mm) frame/sleeve
Application and Design
Model FDR-510 is a round fire damper for use in walls or
partitions with less than 3 hour fire resistance rating. It is
qualified to be mounted vertically and horizontally. This
model carries a 1 1/2 hour UL fire damper label. UL555
classifies static rated fire dampers for use in HVAC systems
that are automatically shut down in the event of fire.
Ratings
Temperature: 165º F (74ºC)
Standard Construction
Frame/Sleeve: 20 ga. (1mm) galvanized steel
Blade: 20 ga. (1mm) galvanized steel
Closure Device: 165ºF (82ºC) Fusible Link
Axle:
1
/2 in. (6mm) dia. plated steel.
Bearing: Stainless Steel sleeve type
Size Limitations
Minimum size: 4 in. (102mm) diameter
Maximum size: 24 in. (610mm) diameter
O
PENIN
G
+ 2.
00
MIN
.
FA
S
TENER
S
W
ALL
/
FL
OO
R
1.
00
TYP
.
= Nominal size + 7
/8
Min
.
O
PENIN
G
C
LAMPIN
G
SC
R
E
W
RETAININ
G
PLATE A
SS
EMB
L
Y
N
U
T
SC
R
E
W
C
LAMPIN
G
WALL THICKNESS SLEEVE LENGTH
Up to 6.5 13.625
Up to 8.5 15.625
Up to 10.5 17.625
Over 10.5 Consult Greenheck
2 in.
TW
AIRFLOW
SLEEVE LENGTH
2 in.
6 in. max.6 in. max.
(OPTIONAL)
RETAINER PLATE
DUCT CONNECTION
AREA
CLEARANCE FOR
EXPANSION
RETAINER PLATE
BLADE LATCH
ACCESS DOOR TO BE ON
SAME SIDE AS BLADE LATCH
DUCT CONNECTION
AREA
DO NOT PLACE RETAINER
PLATE IN THIS GROOVE
Installation instructions available at www.greenheck.com.