Application and Design
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
Model SSDFDR-510 is a round fire damper. It has been
qualified to 2,000 fpm (10.2 m/s) and 4 in. (1 kPa) wg for
operation as a dynamic closure damper in emergency
fire situations. It is qualified to be mounted vertically and
horizontally.
Ratings
Pressure: 4 in. wg (1 kPa)
Velocity: 2000 fpm (10.2 m/s)
Temperature: 165º F (74ºC)
Standard Construction
Frame/Sleeve: 20 ga. (1mm) stainless steel
Blades: 20 ga. (1mm) stainless steel
Closure device: 165º F (74ºC) fusible link
1
Axles:
/2 in. dia. (6mm) stainless steel
Bearings: Stainless steel sleeve type
Size Limitations
Minimum size: 4 in. dia. (102mm)
Maximum size: 24 in. dia. (610mm)
Model SSDFDR-510
Dynamic Rated FIRE DAMPERS
11/2 Hour Fire Resistance Rating
Model SSDFDR-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
Features:
• Stainless steel closure springs
• Fusible links - 165°F (74ºC) standard; 212°F (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
These dimensions are furnished approximately 1/8 in. (3mm) smaller
*
than nominal.
Installation instructions available at www.greenheck.com.
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
Copyright ©2008 Greenheck Fan Corporation
SSDFDR-510 Rev. 7 August 2008