Greenheck Fan SSFSDR-512 dimensions Application, Ratings, Standard Construction, Size Limitations

SSFSDR-512

Application

Model SSFSDR-512 is a combination fire smoke damper constructed out of 304 stainless steel with 3 round style blade. The SSFSDR-512 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-512 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: 1 1/2 Hour

Dynamic Closure Rating: Actual ratings are size dependant Maximum Velocity: 3000 fpm (15.2 m/s)

Maximum Pressure: 4 in. wg (1 kPa)

UL 555S Leakage Rating

Leakage Class: II

Operational Rating: Actual ratings are actuator dependant

Maximum Velocity: 3000 fpm (15.2 m/s) Maximum Pressure: 4 in. wg (1 kPa)

Maximum Temperature: 350º F (177°C) —Depending on actuator

Standard Construction

Frame/Sleeve: 20 ga. (1mm) 304 stainless steel round integral sleeve

Blades: Double skin 304 stainless steel (14 ga. [2mm] equivalent) round style blades

Seals: Extruded silicone rubber blade seals Linkage: 304 stainless steel - concealed in jamb. Axles: 1/2 in. (13mm) dia. 304 stainless steel.

Bearings: 304 stainless steel sleeve type Fusible Link: UL listed 165ºF (74ºC) -not 304SS

Combination Fire Smoke Dampers

Round Stainless Steel Blade UL 555S Leakage Class II UL555 1 1/2 Hour Fire Resistance Rating

Model SSFSDR-512 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)

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)

Size Limitations

Minimum Size: 6 in. (152mm) diameter

Maximum Size: 24 in. (610mm) diameter

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)	D*
- not 304SS.

• Electric or pneumatic actuators to accomplish smoke management		* Dimensions furnished approximately 1/8 in. (3mm) undersize.
and system functions.
• One retainer plate required, additional retainer plate available.
• 14 ga. (2mm) or 16 ga. (1.5mm) frame/sleeve	Installation instructions available at www.greenheck.com.
Opening + 2 in. Min.		Nut

Minimum Wall/Floor Opening	Clamping	Retaining
	Screw	Plate Assembly
= Nominal Dia. + 7/8 in.
1.00 in. Min. Typ.		Clamping Screw
	Fasteners