Model SSFSD-211
Application
Combination FIRE SMOKE DAMPERS
Stainless Steel 3V Blades
UL 555S Leakage Class I
Model SSFSD-211 is a severe environment 304SS combination
fire smoke damper with 3V style blades. The SSFSD-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
SSFSD-211 may be installed vertically (with blades running
horizontal) or horizontally and is rated for airflow and leakage in
either direction.
UL555 11⁄2 Hour Fire Resistance Rating
Model SSFSD-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)
SBCCI Standard Building Codes
California State Fire Marshall
Ratings
UL 555 Fire Resistance Rating
Fire Rating:
11⁄2 Hours
Dynamic Closure Rating: Actual ratings are size dependant
Maximum Velocity:
Maximum Pressure:
2000 fpm (10.2 m/s)
4 in. wg (1.0 kPa)
UL 555S Leakage Rating
Leakage Class:
I
Listing #: 3225-0981:103 (fire)
Listing #: 3230-0981:104 (smoke)
Operational Rating:
Actual ratings are actuator
dependant
Maximum Velocity:
Maximum Pressure:
2000 fpm (10.2 m/s)
4 in. wg (1.0 kPa)
“UL CLASSIFIED (see complete marking on
product)”
“UL CLASSIFIED to Canadian safety standards
(see complete marking on product)”
Standard 555 & 555S (Listing #R13317)
Maximum Temperature: 350ºF (177°C) —Depending on
actuator
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.
16 ga. (1.5mm) 304 stainless steel,
reinforced with 3 longitudinal
structurally designed vee’s.
Extruded silicone rubber blade
seals. Flexible 304 stainless steel
jamb seals.
Greenheck Fan Corporation certifies that the
model SSFSD-211 shown herein is licensed to bear
the AMCA Seal. The ratings shown are based on
tests and procedures performed in accordance
R
Blades:
Seals:
with AMCA Publication 511 and comply with
the requirements of the AMCA Certified Ratings
Programs. The AMCA Certified Ratings Seal applies
to air performance ratings only.
Linkage:
Axles:
304 stainless steel, concealed in
jamb.
1/2 in. (13mm) diameter 304
stainless steel.
304 stainless steel sleeve type.
W*
Bearings:
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
Vertical or Horizontal Mount
(610mm x 762mm ) or
22 in. W x 36 in. H Vertical Mount
(559mm x 914mm)
48 in. W x 30 in. H
RH
H*
Multiple Section:
Vertical or Horizontal Mount
(1219mm W x 762mm H) or
88 in. W x 72 in. H Vertical mount
(2235mm x 1829mm )
Optional Features
LH
• OCI (Open closed indication switches)
• 165º F (74°C), 212ºF (100°C), and 350ºF (177°C) RRL available
• TOR (remote override of 165ºF [74°C] closure allows damper to
perform smoke management functions during a fire emergency)
• Electric or pneumatic actuators to accomplish smoke manage-
ment and system functions.
*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.
AMCA 5.2 Pressure Drop
SSFSD-211
5D
Figure 5.2
ꢀ
Pressure Drop
Pressure Drop
Pressure Drop
Pressure Drop
Pressure Drop
Velocity (fpm)
Velocity (fpm)
Velocity (fpm)
Velocity (fpm)
Velocity (fpm)
500
1000
1500
2000
2500
3000
3500
0.04
0.14
0.31
0.55
0.86
1.24
1.69
500
1000
1500
2000
2500
3000
3500
0.02
0.07
0.16
0.29
0.45
0.65
0.89
500
0.01
0.04
0.09
0.16
0.25
0.36
0.49
500
0.01
0.06
0.13
0.23
0.36
0.52
0.70
500
0.03
0.10
0.23
0.41
0.63
0.91
1.24
1000
1500
2000
2500
3000
3500
1000
1500
2000
2500
3000
3500
1000
1500
2000
2500
3000
3500
Greenheck Fan Corporation certifies that the
model SSFSD-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
requirements of the AMCA Certified Ratings Pro-
grams. The AMCA Certified Ratings Seal applies to
air performance ratings only.
R
AMCA 5.3 Pressure Drop
SSFSD-211
5D
6D
Figure 5.3
Pressure Drop
Pressure Drop
Pressure Drop
Pressure Drop
Pressure Drop
Velocity (fpm)
(in. wg)
Velocity (fpm)
(in. wg)
Velocity (fpm)
(in. wg)
Velocity (fpm)
(in. wg)
Velocity (fpm)
(in. wg)
500
1000
1500
2000
2500
3000
3500
0.02
0.09
0.20
0.36
0.56
0.81
1.10
500
1000
1500
2000
2500
3000
3500
0.01
0.04
0.09
0.16
0.25
0.35
0.48
500
1000
1500
2000
2500
3000
3500
0.01
0.03
0.06
0.11
0.17
0.24
0.33
500
1000
1500
2000
2500
3000
3500
0.01
0.04
0.10
0.17
0.27
0.39
0.53
500
1000
1500
2000
2500
3000
3500
0.02
0.07
0.16
0.29
0.45
0.64
0.88
Greenheck Fan Corporation certifies that the
model SSFSD-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
requirements of the AMCA Certified Ratings Pro-
grams. The AMCA Certified Ratings Seal applies to
air performance ratings only.
R
AMCA 5.5 Pressure Drop
SSFSD-211
Pressure Drop
Pressure Drop
Pressure Drop
Pressure Drop
Pressure Drop
Velocity (fpm)
Velocity (fpm)
Velocity (fpm)
Velocity (fpm)
Velocity (fpm)
500
1000
1500
2000
2500
3000
3500
0.04
0.17
0.38
0.67
1.04
1.50
2.05
500
1000
1500
2000
2500
3000
3500
0.06
0.22
0.50
0.89
1.39
2.00
2.72
500
1000
1500
2000
2500
3000
3500
0.03
0.14
0.31
0.54
0.85
1.22
1.66
500
1000
1500
2000
2500
3000
3500
0.03
0.12
0.26
0.46
0.73
1.05
1.42
500
1000
1500
2000
2500
3000
3500
0.03
0.13
0.30
0.53
0.83
1.19
1.62
Greenheck Fan Corporation certifies that the
model SSFSD-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
requirements of the AMCA Certified Ratings Pro-
grams. The AMCA Certified Ratings Seal applies to
air performance ratings only.
R
Application Data
Damper Sleeve Dimensional Data
The drawings below and corresponding table show the position of the SSFSD-211 damper when mounted in a factory sleeve.
The standard mounting locations provide enough space for the mounting of actuators, controls and allow space for installa-
tion of retaining angles and duct connections.
The standard location of a damper mounted in a factory sleeve ("A" dimension) is shown below. The damper can be posi-
tioned at other locations within a range of 6 in. (152mm) to 12 in. (305mm) for the "A" dimension.
11/2 in.
max.
"A" Dimension
in. (mm)
Standard
7 3/16 (183)
12 (305)
Maximum
12 (305)
12 (305)
All Dampers*
33/4
in.
When H is 11 in. (279mm) or
less with OCI, RRL, or TOR
*With the exception of dampers 10 in. high (254mm) or less.
NOTE: Entire damper frame is not required to be installed within the
wall. The damper blades, when closed should be contained within
the wall.
6 in.
RH
Varies
53/8 in.
LH
Right hand drive is shown
Left hand drive available upon request
A
5 in.
Sleeve Length
Actuators and Accessories
T*
Space Envelopes
S
Externally mounted actuators always require space out-
side of the damper sleeve. The “S” dimension illustrates
the clearance required for various available actuators.
On dampers less than 18 in. (457mm) high, actuators may
also require clearances above and/or below the sleeve.
“B” and “T” dimensions are worst case clearance require-
ments for some dampers less than 18 in. (457mm) high.
All damper sizes under 18 in. (457mm) high do not require
these worst case clearances. If space availability above
or below the damper sleeve is limited, each damper size
should be individually evaluated.
B*
B*
With
T*
Actuator Type/Model
S
With
RRL, RRL/OCI, or TOR RRL, RRL/OCI, or TOR
120 Volt AC
ML-4XXX Series Honeywell
MS-4XXX Series Honeywell
MS-4120 Series Honeywell
5¼ in. (133mm)
6 in. (152mm)
6 in. (152mm)
¾ in.(19mm)
3/8 in. (10mm)
3/8 in. (10mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
24 Volt AC
ML-8XXX Series Honeywell
MS-8XXX Series Honeywell
MS-8120 Series Honeywell
5¼ in. (133mm)
6 in. (152mm)
6 in. (152mm)
¾ in.(19mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
6 in. (152mm)
Pneumatic (25 psi min.)
331-4551 Powers
331-2976 Powers
MK2-7121 Invensys
1 in. (25mm)
2 3/8 in. (60mm)
3 3/4 in. (95mm)
6¼ in. (159mm)
12 1/8 in. (308mm)
16½ in. (419mm)
6½ in. (165mm)
9¼ in. (235mm)
10 in. (254mm)
* For dampers 18 in. (457mm) or more in height these dimensions are 0 in. .
Damper Sizing Information
Dampers larger than maximum single section size are supplied as a factory assembly of two or more sections of equal size.
The following figures show maximum damper section size and assembly configurations for multi-section dampers.
Multi Section
Single Section
30”
30”
48”
24”
24”
When a fire/smoke damper is being used in conjunction with round or oval ductwork, the
SSFSD-211 can be supplied in a factory sleeve with round or oval transitions on both ends
of the sleeve. Dampers should be ordered to the duct dimensions. Drawings below show
overall damper size.
Transitioned Damper
Dimensions
D*+
2 in. (51mm) +T
s
W*+ 2 in. (51mm)+T
s
W*+ 2 in. (51mm)+T
s
D*+ 2 in. (51mm)+T
s
H*+ 2 in. (51mm)+T
H*+ 2 in. (51mm)+T
s
s
H*
H*
21/8in.
21/8in.
(54mm)
21/8in.
(54mm)
(54mm)
*
W
W*
D*
16 in. (406mm)
Min.
16 in. (406mm)
Min.
16 in. (406mm)
Min.
TYPE R
TYPE O
TYPE C
These dimensions are furnished approximately 1/4 in.
*
(6mm) undersize, except round and oval dimensions which
are approximately 1/8 in. (3mm) undersize.
T
= (2)(Sleeve Thickness)
Specifications
s
Combination Fire Smoke Dampers meeting the following specifications
shall be furnished and installed where shown on plans and/or as
described in schedules. Dampers shall meet the requirements of the
latest edition of NFPA 80, 90A, 92A, 92B, 101, & 105 and further shall
be tested in accordance with the latest edition of UL Standards 555
the latest edition of AMCA Standard 500-D. Dampers shall be labeled
with the AMCA Air Performance Seal.
Damper blades shall be 16 ga. (1.5mm) 304 stainless steel 3V type
with three longitudinal grooves for reinforcement. Blades shall be
completely symmetrical relative to their axle pivot point, presenting
identical resistance to airflow and operation in either direction through
the damper (blades that are non-symmetrical relative to their axle pivot
point or utilize blade stops larger than 1/2 in. [13mm] are unacceptable).
Damper frames shall be 304 stainless steel formed into a structural hat
channel shape with reinforced corners. Bearings shall be 304 stainless
sleeve type rotating in extruded holes in the damper frame. Jamb seals
shall be stainless steel compression type.
1
and 555S. Dampers shall have a UL 555 fire rating of 1 ⁄2 hours and be
of low leakage design qualified to UL555S leakage class I.
Each damper/actuator combination shall have a UL555S elevated
temperature rating of 250°F (121°C) minimum and shall be operational
and dynamic rated to operate at maximum design air flow at its
installed location. Each damper shall be supplied with an appropriate
actuator installed by the damper manufacturer at the time of damper
fabrication. Damper actuator shall be (specifier select one of the
following) electric type for 120 (24 or 230) volt operation or pneumatic
type for 25 psi minimum (30 psi maximum) operation.
All UL 555 and 555S Dynamic Closure Ratings, Operational Ratings
and Leakage Ratings shall be qualified for airflow and pressure in
either direction through the damper. UL ratings shall allow for mounting
damper vertically (with blades running horizontal) or horizontally.
The Damper Manufacturers submittal data shall certify all air
performance pressure drop data is licensed in accordance with the
AMCA Certified Ratings Program for Test Figures 5.2, 5.3 and 5.5.
Damper air performance data shall be developed in accordance with
Basis of design is Greenheck Model SSFSD-211.
Copyright© 2008 Greenheck Fan Corporation
SSFSD-211 Rev. 5 March 2008
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