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Tubeaxial Commercial Fan, Direct Drive
Engineered for reliable, cost-effective airflow, this tubeaxial fan performs in commercial and light-industrial settings—whether in ducted systems or open-air installations. Optional cast-aluminum impellers are available to match your specific application needs.
Size
14 to 48 inches (355 mm to 1,220 mm)
Airflow
42,900 CFM (72,900 m3/hour)
Static pressure
1.5 inches w.g. (370 Pa)
Construction Features
Motor Side View of Direct Drive Tubeaxial Fan
Impeller Construction
The features an adjustable pitch die cast aluminum impeller available in 4, 5 and 6 blade designs. Blade angles are factory set and mounted in a die cast aluminum hub.
Options/Accessories
1
Companion Flange
Inlet and outlet companion
flanges are available for ease of duct connection.
Companion flanges are rolled angle rings punched to
match the standard inlet or outlet flange.
flanges are available for ease of duct connection.
Companion flanges are rolled angle rings punched to
match the standard inlet or outlet flange.
2
Outlet Screen
Safety screens are available for
mounting in the fan inlet or outlet in non-ducted
applications. Screens are removable for routine
inspection and cleaning of the impeller.
mounting in the fan inlet or outlet in non-ducted
applications. Screens are removable for routine
inspection and cleaning of the impeller.
3
Mounting Brackets
Mounted to fan housing.
Location varies with discharge orientation and
mounting option.
Location varies with discharge orientation and
mounting option.
4
Floor Mount RIS
Rubber-in-shear type isolators are
available to damper vibration and noise transmission in
floor mounted installations. Also available in spring type
construction.
available to damper vibration and noise transmission in
floor mounted installations. Also available in spring type
construction.
5
Disconnect Switch
A NEMA 1, 3R, 4 or 7/9 safety
disconnect switch is available for positive electrical
shutoff of the fan and the protection of service
personnel. Disconnects are shipped loose for field
mounting and wiring.
disconnect switch is available for positive electrical
shutoff of the fan and the protection of service
personnel. Disconnects are shipped loose for field
mounting and wiring.
6
Inlet Bell
An inlet bell is recommended to minimize
entrance losses for installations where the inlet of the
fan is non-ducted. Inlet bell is flanged and punched to
mate up with the standard flanged inlet.
entrance losses for installations where the inlet of the
fan is non-ducted. Inlet bell is flanged and punched to
mate up with the standard flanged inlet.
Material Specifications
| FAN SIZE | HOUSING (GAUGE) | IMPELLERS (GAUGES) | SHAFT SIZE (IN.) | APPROX. SHIP WT. (LB) |
|---|---|---|---|---|
| 14 | 14 | DIE CAST ALUM. | 3/4 | 33 |
| 16 | 14 | DIE CAST ALUM. | 3/4 | 53 |
| 18 | 14 | DIE CAST ALUM. | 3/4 | 60 |
| 21 | 14 | DIE CAST ALUM. | 3/4 | 85 |
| 24 | 14 | DIE CAST ALUM. | 1 | 97 |
| 30 | 12 | DIE CAST ALUM. | 1 | 149 |
| 36 | 12 | DIE CAST ALUM. | 13/16 | 234 |
| 42 | 12 | DIE CAST ALUM. | 17/16 | 305 |
| 48 | 12 | DIE CAST ALUM. | 17/16 | 547 |
| 54 | 12 | DIE CAST ALUM. | 17/16 | — |
Mounting Brackets
