Greenheck Fan SEFSDR-511 Folheto

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

Model SEFSDR-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)
California State Fire Marshall
Listing #: 3225-0981:112 (fire)
Listing #: 3230-0981:113 (smoke)

Application

Model SEFSDR-511 is a severe environment 316SS combination fire

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

and dynamic closure in emergency fire smoke situations. Model

SEFSDR-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: 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: I

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) 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

SEFSDR-511

Combination Fire Smoke Dampers

Round Stainless Steel Blade

UL 555S Leakage Class I

UL555 1 1/2 Hour Fire Resistance Rating

“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)

Opening + 2 in. Min.

1.00 in. Min. Typ.

Fasteners

Clamping

Screw

Nut

Retaining

Plate Assembly

Clamping Screw

Minimum Wall/Floor Opening

= Nominal Dia. + 7/8 in.