Model SEFSD-211 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
ICBO Uniform Building Codes
IBC International Building Codes
New York City
(MEA listing #260-91-M)
California State Fire Marshall
Listing #: 3225-0981:103 (fire)
Listing #: 3230-0981:104 (smoke)
Application
Model SEFSD-211 is a severe environment 316SS combination
fire smoke damper with 3V style blades. The SEFSD-211 has
been qualified to 2000 fpm (10.2 m/s) and 4 in. wg (1.0 kPa) for
operation and dynamic closure in emergency fire smoke situations.
Model SEFSD-211 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
Hours
Dynamic Closure Rating:
Actual ratings are size dependant
Maximum Velocity:
2000 fpm (10.2 m/s)
Maximum Pressure:
4 in. wg (1.0 kPa)
UL 555S Leakage Rating
Leakage Class:
I
Operational Rating:
Actual ratings are actuator
dependant
Maximum Velocity:
2000 fpm (10.2 m/s)
Maximum Pressure:
4 in. wg (1.0 kPa)
Maximum Temperature:
350ºF (177°C) —Depending on
actuator
Standard Construction
Frame:
5 in. x 1 in.(127mm x 25mm) 16 ga.
(1.5mm) 316 stainless steel hat
channel with reinforced corners . A
low profile head and sill are used on
sizes less than 17 in. (432mm) high
to maximize free area and
performance.
Blades:
16 ga. (1.5mm) 316 stainless steel,
reinforced with 3 longitudinal
structurally designed vee’s.
Seals:
Extruded silicone rubber blade
seals. Flexible 316 stainless steel
jamb seals.
Linkage:
316 stainless steel, concealed in
jamb.
Axles:
1/2 in. (13mm) diameter 316
stainless steel.
Bearings:
316 stainless steel sleeve type.
Closure Device:
165º F (74ºC) RRL
Size Limitations
Minimum Size:
8 in. W x 6 in. H
(203mm W x 152mm H)
Maximum
Size:
Single Section:
24 in. W x 30 in. H
(Horizontal or Vertical Mount)
(610mm W x 762mm H) or
22 in. W x 36 in. H (Vertical Mount)
(559mm x 914mm)
Multiple Section:
48 in. W x 30 in. H
(Horizontal or Vertical Mount)
(1219mm W x 762mm H) or
88 in. W x 72 in. H (Vertical Mount)
2235mm x 1829mm)
Optional Features
• OCI (Open closed indication switches) - not 316SS
• 165º F (74°C), 212ºF (100°C), and 350ºF (177°C) RRL available -
thermal device not 316SS.
• TOR (remote override of 165ºF [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.
Model SEFSD-211
Combination
FIRE SMOKE DAMPERS
316 Stainless Steel 3V Blades
UL 555S Leakage Class I
UL555 1
1
⁄
2
Hour Fire Resistance Rating
* W & H dimensions furnished approximately 1/4 in. (6mm) undersize.
(Add sleeve thickness for overall sleeved damper dimension)
Right hand drive is shown. Left hand drive is available upon request.
H*
W*
LH
RH
“UL CLASSIFIED (see complete marking on
product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standard 555 &555S (Listing #R13317)
Greenheck Fan Corporation certifies that the model
SEFSD-211 shown herein is licensed to bear the
AMCA Seal. The ratings shown are based on tests
and procedures performed in accordance with
AMCA Publication 511 and comply with the require-
ments of the AMCA Certified Ratings Programs. The
AMCA Certified Ratings Seal applies to air perfor-
mance ratings only.
R
Installation instructions available at www.greenheck.com
