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Tubeaxial Fan, Direct Drive
The tubeaxial fan is engineered for clean-air applications where a motor-in-airstream configuration is acceptable. It combines a Macheta®-tipped, cast‑aluminum airfoil blade for enhanced performance with a continuously welded, heavy‑gauge flanged casing. Pre-drilled bolt holes make it easy to mount to fan accessories or ductwork. All impellers and hubs are standard 319 aluminum. Impellers from 14 to 72 inches are solid cast, while sizes 84 inches and larger use adjustable‑pitch, individual blades with a hub for fine-tuning performance.
Size
14 to 96 inches (355 mm to 2,440 mm)
Airflow
132,500 CFM (225,100 m3/hour)
Static pressure
1.5 inches w.g. (370 Pa)
Typical Applications Include
Data Center Exhaust, General HVAC, Generator Room Ventilation, Swimming Pool Exhaust, Kitchen Exhaust, Dishwasher Exhaust, Elevator Shaft Exhaust/Pressurization, Emergency Smoke Exhaust, Stairwell Pressurization
Configurations
Direct and Belt Driven – vertical & horizontal mount configurations
Impeller Type
Aluminum
Optional Construction
Clamshell Design, Swingout Design, Spark Resistant Construction, Aluminum Housing, Hot Dip Galvanized Housing, 304SS Housing, 316SS Housing
Sugar Beet Storage Application
Tubeaxial Fan, Direct Drive
Aerovent’s direct drive tubeaxial fan is designed for use in all general applications to move relatively clean, non-corrosive air while operating within standard motor temperature limits. An array of highly efficient impellers from 12″ to 96″ diameters deliver powerful performance from 900 to 132,000 CFM.
The motor base assembly provides maximum strength while minimizing resistance to airflow. Fan casings are flanged steel and can easily be connected to duct work. Protective coatings and aluminum, hot-dipped galvanized or stainless steel construction are available upon specification. Motor leads are wired to an external conduit box and extended grease leads are standard when applicable.
The motor base assembly provides maximum strength while minimizing resistance to airflow. Fan casings are flanged steel and can easily be connected to duct work. Protective coatings and aluminum, hot-dipped galvanized or stainless steel construction are available upon specification. Motor leads are wired to an external conduit box and extended grease leads are standard when applicable.
Construction Features
Swingout Construction
Swingout construction provides easy access to the fan for cleaning and general maintenance without removing it from the ductwork. When quickopen clamp latches are released, the door swings out on heavy-duty hinges to provide out of the airstream access to the impeller for cleaning. For additional access to the shaft and bearings, a split inner cylinder is standard. Available on Sizes 21-60 with vertical discharge.
Clamshell Construction
Clamshell construction is ideal for applications needing regular cleaning. Depending on the size, one door (sizes 18-36) or two doors (sizes 42-60) are secured with quick access latches. These doors open outward and allow access to the internal components of the fan. As standard, there is an access door on the inner cylinder, allowing easy access to clean around the bearings. It is essential to follow proper safety precautions during cleaning. If bearing, shaft or impeller replacement is required, the fan should be removed from the ductwork or roof to facilitate safe replacement of parts. If replacement of these parts while ducted or on the roof is required, it is recommended to use swingout construction.
Impeller Design
Type L
Available in a four-blade design on sizes 14″ through 96″. The Type L impeller features a wide tip blade to meet high volumes and low noise requirements at reduced speeds.
Type B
The “B” series features a die cast aluminum impeller available in multiple blade designs for your unique performance needs. Blade angles are factory set and mounted in a die cast aluminum hub. “B” impellers are available in 12″ through 72″ diameters.
Type S7
Available in a seven-blade design on sizes 21″ through 60″. The Type S7 impeller design increases the static pressure capabilities up to 1.50″, yet maintains low brake horsepower requirements. The Type S7 impeller is recommended for applications requiring 0.75″ static pressure and higher.
Options/Accessories
1
Bolted Access Door
For quick impeller inspection
and maintenance. Access doors are specified where
examination and cleaning of the fan interior is required.
and maintenance. Access doors are specified where
examination and cleaning of the fan interior is required.
2
Inlet Bell
An inlet bell is recommended on the
inlet side of the fan to minimize entrance losses for
installations where the fan inlet is not attached to a
duct system.
inlet side of the fan to minimize entrance losses for
installations where the fan inlet is not attached to a
duct system.
3
Inlet Guard
Inlet and outlet guards are offered
to protect personnel from the moving parts.
Recommended for use when no ductwork is attached
to the inlet and/or outlet. Fan sizes 14″ through 72″ are
supplied with spiral wire type PMS guards and size 84″
is supplied with a wire mesh guard Type WM.
to protect personnel from the moving parts.
Recommended for use when no ductwork is attached
to the inlet and/or outlet. Fan sizes 14″ through 72″ are
supplied with spiral wire type PMS guards and size 84″
is supplied with a wire mesh guard Type WM.
4
Horizontal Support Legs (Floor Mount)
For horizontal flow with floor mounting, support legs
are welded to the fan flange with bolt holes aligned for
connection of ductwork.
are welded to the fan flange with bolt holes aligned for
connection of ductwork.
5
Spring Isolators (Floor)
Spring type vibration
isolation mounts are available to reduce the
transmission of fan vibration in 1″ or 2″ deflection.
isolation mounts are available to reduce the
transmission of fan vibration in 1″ or 2″ deflection.
Dimensional Data
Standard Mount
Horizontal Floor & Ceiling Mount
