Filter
Top Products
Model SSSMD-201 meets the requirements for smoke
dampers established by:
National Fire Protection Association
NFPA Standards 92A, 92B, 101 & 105
IBC International Building Codes
New York City (MEA listing #260-91-M)
CSFM California State Fire Marshal
Leakage (Smoke) Damper Listing (#3230-0981:104)
Application
Model SSSMD-201 is a 304 stainless steel leakage rated smoke
damper with 3V style blades. The SSSMD-201 has been qualified to
2000 fpm (10.2 m/s) and 4 in. wg (1 kPa) for operational closure in
emergency smoke control situations. Model SSSMD-201 may be
installed vertically (with blades running horizontally) or horizontally
and is rated for airflow and leakage in either direction.
Ratings
Leakage Class: l
Pressure: 4 in. wg (1 kPa) - differential
pressure
Velocity: Operational rated to 2000 fpm
(10.2 m/s)
Temperature: 350°F (177ºC) with all actuators.
Higher temperature ratings with
some actuators.
Standard Construction
Frame: 5 in. x 1 in. (127mm x 25mm) 16 ga.
(1.5mm) 304 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) 304 stainless steel,
reinforced with 3 longitudinal
structurally designed vee’s.
Seals: Flexible 304 stainless steel jamb
seals.
Linkage: 304 stainless steel - concealed in
jamb.
Axles:
1
/2 in. (13mm) dia. 304 stainless
steel.
Bearings: 304 stainless steel sleeve type.
Size Limitations
Minimum Size:
8 in. W x 6 in. H
(203mm W x 152mm H)
Maximum Size:
Single Section - 32 in. W x 50 in. H
(813mm W x 1270mm H)
36 in. W x 48 in. H
(914mm W x 1219mm H)
Multiple Section - 144 in. W x 100 in. H
(3658mm W x 2438mm H)
288 in. W x 50 in. H
(7315 mm W x 1270mm H)
Optional Features
• OCI (Open closed indication switches)
• Electric or pneumatic actuators to accomplish smoke
management and system functions.
• Fail open
Model SSSMD-201
Smoke Dampers
Stainless Steel 3V Blade
UL 555S Leakage Class I
*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 555S (Listing #R13317)
R
Greenheck Fan Corporation certifies that the model
SSSMD-201 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
requirements of the AMCA Certified Ratings Pro-
grams. The AMCA Certified Ratings Seal applies to
air performance ratings only.
Installation instructions available at www.greenheck.com