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Model SWB
Greenheck’s backward-
inclined utility fans have
many advantages; higher
operating efficiencies,
non-overloading
horsepower curves
and higher pressure
capabilities. You will also receive
the following benefits with these fans:
•SWB Series 100 in ten sizes (106 through 124)
with capacities from 70 to 11,000 cfm
(120 to 18,700 m³/hr) and static pressures to
3.0 in. wg (747 Pa).
•SWB Series 200 in twelve sizes (206 through 224)
with capacities from 70 to 13,700 cfm
(120 to 23,300 m³/hr) and static pressures to
5.0 in. wg (1250 Pa).
•SWB Series 300 in seven sizes (327 through 349)
with capacities from 4,600 to 54,000 cfm
(7,700 to 91,700 m³/hr) and static pressures to
5.0 in. wg (1250 Pa).
•Three different series of construction will meet your
exact needs in the most efficient manner.
•Greenheck utility fans are designed, engineered and
tested prior to shipment to provide years of smooth,
vibration-free operation with minimal maintenance.
•Fans are tested in our AMCA accredited laboratory
to ensure complete and accurate performance
ratings. All models are licensed to bear the AMCA
Air Performance seal. SWB 300 Series AF fans
are licensed to bear the AMCA Sound and Air
Performance seal. Performance as cataloged is
assured.
3
Models SFD and SFB
Greenheck models SFD and
SFB forward-curved utility
fans have been designed for
supply, exhaust and return
air applications requiring low to medium air volumes
and pressures. You will receive the following benefits
with these fans:
•SFD fans are available in four sizes (6, 7.5, 9 and
10) with different rpm motors. Capacities range
from 300 to 2,600 cfm (510 to 4,600 m³/hr) with static
pressures to 2.5 in. wg (623 Pa).
•SFB fans are available in ten sizes (9 through 30)
with capacities ranging from 360 to 25,200 cfm
(610 to 42,800 m³/hr) and static pressures to
3.5 in. wg (872 Pa).
•Greenheck utility fans are designed, engineered
and tested prior to shipment to provide years of
smooth, vibration-free operation with minimal
maintenance.
•The fan may be mounted indoors or outdoors.
•All fan sizes are tested in our AMCA accredited
laboratory to ensure complete and accurate
performance ratings. All models are licensed to
bear the AMCA Air Performance seal. Performance
as cataloged is assured.
Model Comparison
Model
Location Mounting Airflow Application
Drive
Type
Impeller
Type
Performance
Relative Cost
Outdoor
Indoor
Roof Curb
Base/Floor
Hanging
Wall
Ceiling Mounted
Exhaust
Supply
Reversible
Recirculate
General/Clean Air
Contaminated Air
Spark Resistant
Grease (UL 762)
Smoke Control (UL)
High Wind (150 mph)
High Temp (above 200°F )
Belt
Direct
Centrifugal
Propeller/Axial
Mixed Flow
Maximum Volume
(cfm)
Maximum Static Pressure
(in. wg)
SFD
2,600 2.5 $
SFB
25,200 3.5 $$
SWB
54,000 5 $$
Models SFD, SFB and SWB
Utility Fans