Model FDR-510
Static Rated Round Fire Dampers
Application and Design
1
1 /2 Hour Fire Resistance Rating
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.
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)
Ratings
Temperature:
165º F (74ºC)
IBC International Building Codes
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
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
These dimensions are furnished approximately 1/8 in. (3mm)
*
smaller than nominal.
OPENING + 2.00 MIN.
CLEARANCE FOR
EXPANSION
RETAINER PLATE
RETAINER PLATE
(OPTIONAL)
BLADE LATCH
ACCESS DOOR TO BE ON
SAME SIDE AS BLADE LATCH
CLAMPING
SCREW
DUCT CONNECTION
AREA
WALL/FLOOR
OPENING
2 in.
= Nominal size + 7/8 Min.
1.00 TYP.
AIRFLOW
FASTENERS
DUCT CONNECTION
AREA
2 in.
NUT
DO NOT PLACE RETAINER
PLATE IN THIS GROOVE
6 in. max.
6 in. max.
RETAINING
PLATE ASSEMBLY
TW
SLEEVE LENGTH
CLAMPING SCREW
WALL THICKNESS
Up to 6.5
SLEEVE LENGTH
13.625
Up to 8.5
Up to 10.5
Over 10.5
15.625
17.625
Consult Greenheck
Copyright ©2008 Greenheck Fan Corporation
FDR-510 Rev. 6 Aug 2008
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