Greenheck Combination Fire Smoke Dampers SSFSDR-511 Specifications

Application
Model SSFSDR-511 is a combination fire smoke damper constructed
out of 304 stainless steel with round style blades. The SSFSDR-511
has been qualified to 3000 fpm (15.2 m/s) and 4 in. wg (1 kPa) for
operation and dynamic closure in emergency fire smoke situations.
Model SSFSDR-511 may be installed vertically (with blades running
horizontal) or horizontally and is rated for airflow and leakage in
either direction.
Ratings
UL 555 Fire Resistance Rating
Fire Rating:
Dynamic Closure Rating:
Maximum Velocity:
Maximum Pressure:
UL 555S Leakage Rating
Leakage Class:
Operational Rating:
Maximum Velocity:
Maximum Pressure:
Maximum Temperature:
Standard Construction
Frame/Sleeve:
Blades:
Seals:
Linkage:
Axles:
Bearings:
Fusible Link:
Size Limitations
Minimum Size:
Maximum Size:

Optional Features

• OCI (Open closed indication switches) -not 304SS
• 165º F (74°C), 212º F (100°C), and 350º F (177°C) RRL available - not
304SS.
• TOR (remote override of 165º F (74°C) closure allows damper to
perform smoke management functions during a fire emergency) -not
304SS.
• Electric or pneumatic actuators to accomplish smoke management
and system functions.
• One retainer plate required, additional retainer plate available.
• 14 ga. (2mm) or 16 ga. (1.5mm) sleeve available
Minimum Wall/Floor Opening
= Nominal Dia. + 7/8 in.
1.00 in. Min. Typ.
1 1/2 Hour
Actual ratings are size dependant
3000 fpm (15.2 m/s)
4 in. wg (1 kPa)
I
Actual ratings are actuator dependant
3000 fpm (15.2 m/s)
4 in. wg (1 kPa)
350º F (177°C) —Depending on actuator
20 ga. (1mm) 304 stainless steel integral
sleeve
Double skin 304 stainless steel (14 ga.
[2mm] equivalent) round style blades
Extruded silicone rubber blade seals
304 stainless steel - concealed in jamb
1/2 in. (13mm) dia. 304 stainless steel
304 stainless steel sleeve type
UL listed 165ºF (74ºC) -not 304SS
6 in. (152mm) diameter
24 in. (610mm) diameter
Opening + 2 in. Min.
Clamping
Screw
Fasteners
Nut
Combination Fire Smoke Dampers
UL555 1 1/2 Hour Fire Resistance Rating
Model SSFSDR-511 meets the requirements for
fire dampers, smoke dampers and combination fire
smoke dampers established by:
National Fire Protection Association
NFPA Standards 80, 90A, 92A, 92B, 101 & 105
IBC International Building Codes
New York City (MEA listing #260-91-M)
SBCCI Standard Building Codes
California State Fire Marshall
Listing #: 3225-0981:112 (fire)
Listing #: 3230-0981:113 (smoke)
"UL CLASSIFIED (see complete marking on
product)"
"UL CLASSIFIED to Canadian safety standards
(see complete marking on product)"
Standard 555 (Listing #R13317)
Standard 555S (Listing #R13447)
Minimum Wall/Floor Opening
* Dimensions furnished approximately 1/8 in. (3mm) undersize.
= Nominal Dia. + 7/8 in.
Installation instructions available at www.greenheck.com.
1.00 in. Min. Typ.
SSFSDR-511
Round Stainless Steel Blade
UL 555S Leakage Class I
Opening + 2 in. Min.
D*
Clamping
Screw
Fasteners
Nut
Retaining
Plate Assembly
Clamping Screw