Greenheck Fan SEFSDR-511 dimensions Combination Fire Smoke Dampers, Application, Ratings

				SEFSDR-511
Application			Combination Fire Smoke Dampers
				Round Stainless Steel Blade
Model SEFSDR-511 is a severe environment 316SS combination fire				UL 555S Leakage Class I
				UL555 1 1/2 Hour Fire Resistance Rating
smoke damper with round style blade. The SEFSDR-511 has been
qualified to 3000 fpm (15.2 m/s) and 4 in. wg (1 kPa) for operation
				Model SEFSDR-511 meets the requirements for fire
and dynamic closure in emergency fire smoke situations. Model
				dampers, smoke dampers and combination fire smoke
SEFSDR-511 may be installed vertically (with blades running
				dampers established by:
horizontal) or horizontally and is rated for airflow and leakage in
either direction.				National Fire Protection Association
Ratings				NFPA Standards 80, 90A, 92A, 92B 101 & 105
UL 555 Fire Resistance Rating				IBC International Building Codes
				New York City (MEA listing #260-91-M)
	Fire Rating:	1 1/2 Hour
				California State Fire Marshall
Dynamic Closure Rating: Actual ratings are size dependant
				Listing #: 3225-0981:112 (fire)
Maximum Velocity:		3000 fpm (15.2 m/s)
				Listing #: 3230-0981:113 (smoke)
Maximum Pressure:		4 in. wg (1 kPa)
UL 555S Leakage Rating				“UL CLASSIFIED (see complete marking on
	Leakage Class:	I
Operational Rating:		Actual ratings are actuator dependant		product)”
Maximum Velocity:		3000 fpm (15.2 m/s)		“UL CLASSIFIED to Canadian safety standards
				(see complete marking on product)”
Maximum Pressure:		4 in. wg (1 kPa)
				Standard 555 (Listing #R13317)
Maximum Temperature:		350º F (177°C) —Depending on actuator
				Standard 555S (Listing #R13447)

Standard Construction

Frame/Sleeve: 20 ga. (1mm) 316 stainless steel integral sleeve

Blade: Double skin 316 stainless steel (14 ga. [2mm] equivalent) round style blade

Seal: Extruded silicone rubber blade seal

Axle: 1/2 in. (13mm) dia. 316 stainless steel Bearing: 316 stainless steel sleeve type

Fusible Link: UL listed 165ºF (74ºC) -not 316SS

Size Limitations

Minimum Size: 6 in. (152mm) diameter

Maximum Size: 24 in. (610mm) diameter

Optional Features

•OCI (Open closed indication switches) -not 316SS

•165ºF (74°C), 212ºF (100°C), and 350ºF (177°C) RRL - not 316SS.

•TOR (remote override of 165º F (74°C) closure allows damper to perform smoke management functions during a fire emergency) -not 316SS.

•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) frame/sleeve

Opening + 2 in. Min.

D*

*Dimensions furnished approximately 1/8 in. (3mm) undersize.

Nut

Retaining

Plate Assembly

Minimum Wall/Floor Opening	Clamping
	Screw
= Nominal Dia. + 7/8 in.		Clamping Screw

1.00 in. Min. Typ.

Fasteners

Installation instructions available at www.greenheck.com.