Combination FIRE SMOKE DAMPERS
Model FSDGB-211
Steel 3V Blades
Application
Qualified to Standard GB 15931-1995
Model FSDGB-211 is a combination fire smoke damper with 3V style
blades. The FSDGB-211 has been qualified to Standard
GB 15931-1995 for operation and closure in emergency fire smoke
situations. Model FSDGB-211 may be installed vertically (with
blades running horizontal) or horizontally and is rated for airflow and
leakage in either direction.
Greenheck Kunshan Co. Ltd. and Greenheck Fan
Corporation certifies that the model FSDGB-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 Programs. The AMCA Certified
Ratings Seal applies to air performance ratings only.
R
Ratings
Standard GB 15931-1995
Velocity:
Pressure:
10 m/s (2000 fpm)
1kPa (4 in. wg)
Standard Construction
Frame:
127mm x 25.4 mm (5 in. x 1 in.)
1.24mm galvanized steel hat
channel with reinforced corners. A
low profile head and sill are used on
sizes less than 432mm (17 in.) high
to maximize free area and
performance.
Blades:
Seals:
1.24mm (16 ga.) galvanized steel,
reinforced with 3 longitudinal
structurally designed vee’s.
Extruded silicone rubber blade
seals. Flexible stainless steel jamb
seals.
Linkage:
Axles:
Bearings:
Fusible Link:
Concealed in jamb.
12.7 mm (1⁄2 in.) dia. plated steel.
Bronze sleeve type.
280° C
Size Limitations
Minimum Size:
204mm W x 152mm H
(8 in. W x 6 in. H)
Maximum Size:
Single Section:
813mm W x 914mm H
(32 in. W x 36 in. H)
1626mm W x 914mm H
(64 in. W x 36 in. H)
Multiple Section:
Optional Features
• Stainless steel bearings
• OCI (Open closed indication switches)
• Retaining Angles
• Transitions (C, O, R)
• Sealed transitions and sleeves
• Sleeve with integral flange on both sides
1
*W & H dimensions furnished approximately 6mm ( /4 in.)
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
FSDGB-211
5D
Figure 5.2
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305mm x 1219mm
1219mm x 305mm
305mm x 305mm
610mm x 610mm
914mm x 914mm
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
2.5
5.1
3
2.5
5.1
8
2.5
5.1
10
35
2.5
5.2
5
2.6
5.1
3
15
27
17
10
7.6
32
7.7
57
7.7
80
7.8
42
7.6
22
10.3
12.9
15.3
18
57
10.3
12.9
15.6
17.9
20.7
105
164
242
316
424
10
135
207
311
411
561
10.3
12.9
15.4
18.1
20.8
72
10.2
12.7
15.3
17.7
20.3
42
90
12.6
15.5
17.8
20.8
115
162
224
296
65
125
174
227
95
127
167
20.5
Greenheck Kunshan Co. Ltd. and Greenheck Fan
Corporation certifies that the model FSDGB-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 Programs. The AMCA Certified
Ratings Seal applies to air performance ratings only.
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AMCA 5.3 Pressure Drop
FSDGB-211
5D
6D
Figure 5.3
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305mm x 305mm
610mm x 610mm
914mm x 914mm
305mm x 1219mm
1219mm x 305mm
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
2.4
5.1
5
2.5
5
3
2.5
5.1
3
8
2.5
5.1
3
2.5
5.1
5
22
10
10
20
7.8
52
7.7
22
7.6
15
27
42
62
82
107
7.7
25
7.6
40
10.3
12.9
15.4
17.7
20.8
92
10.3
12.8
15.5
17.9
20.8
40
10.1
12.8
15.3
17.7
20.3
10.3
12.9
15.7
18.7
20.9
42
10.1
12.7
15.3
18
72
145
209
274
379
62
67
112
164
227
299
92
100
140
174
122
167
20.6
Greenheck Kunshan Co. Ltd. and Greenheck Fan
Corporation certifies that the model FSDGB-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 Programs. The AMCA Certified
Ratings Seal applies to air performance ratings only.
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AMCA 5.5 Pressure Drop
FSDGB-211
VELOCITY VS. PRESSURE DROP
1000
100
10
305mm x 305mm
610mm x 610mm
914mm x 914mm
305mm x 1219mm
1219mm x 305mm
2
5
10
30
FACE VELOCITY- METERS/SECOND
AMCA 5.5
305mm x 305mm
610mm x 610mm
914mm x 914mm
305mm x 1219mm
1219mm x 305mm
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
Velocity
(m/s)
Pressure
Drop (Pa)
2.5
5
13
2.5
5
8
2.5
5.1
8
2.6
5.1
8
2.5
5
1
55
35
30
32
42
7.5
122
222
349
508
688
907
7.6
75
7.7
67
7.7
75
7.7
95
10.2
12.7
15.4
17.9
20.6
10.3
12.8
15.3
17.7
20.8
140
217
309
409
568
10.2
12.9
15.5
18.1
20.6
115
184
269
354
471
10.2
12.7
15.5
18.1
20.6
130
202
301
416
536
10.3
12.7
15.3
17.9
20.8
172
264
381
521
707
Greenheck Kunshan Co. Ltd. and Greenheck Fan Corporation certifies
that the model FSDGB-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 Programs. The AMCA
Certified Ratings Seal applies to air performance ratings only.
R
Specifications
Combination Fire Smoke Dampers meeting the following
against leakage as pressure on either side of the damper increases.
Jamb seals shall be stainless steel compression type. Blades shall be
completely symmetrical relative to their axle pivot point, presenting
identical resistance to airflow in either direction or pressure on either
side of the damper.
specifications shall be furnished and installed where shown on
plans and/or as described in schedules. Dampers shall meet the
requirements of NFPA 80, 90A, 92A, 92B, 101 & 105 and further shall
be tested, rated and labeled in accordance with GB 15931 standard.
Each damper/actuator combination shall have a UL555S elevated
temperature rating of 280°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.
The Damper Manufacturer's 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
the latest edition of AMCA Standard 500-D. Dampers shall be labeled
with the AMCA Air Performance Seal.
Damper must be rated for mounting vertically (with blades running
horizontal) or horizontally and be UL 555S rated for leakage and
airflow in either direction through the damper. Each damper shall be
supplied with a 280°C fusible link.
Damper blades shall be 1.24mm galvanized steel 3V type with
three longitudinal grooves for reinforcement. Damper frame shall
be galvanized steel formed into a structural hat channel shape with
reinforced corners. Bearings shall be sintered bronze sleeve type
rotating in extruded holes in the damper frame. Blade edge seals
shall be silicone rubber designed to inflate and provide a tighter seal
The basis of design is Greenheck Model FSDGB-211.
GREENHECK
Greenheck Kunshan Co Ltd.
17 Qunyi Minying District • Kunshan Economic &
Technical Development Zone
Kunshan, Jiangsu, China 215300
Tel: 0512-573-66666 • Fax: 0512-573-78633
Copyright © 2005 Greenheck Fan Corporation
FSDGB-211 rev. 4 June 2005
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