Specification Sheet

422
MODEL TDD
DIRECT DRIVE TUBEAXIAL DUCT FAN
OPTIONS/ACCESSORIES
Hanging & Floor Brackets: For base or ceiling mounting. Neoprene and spring isolators are
available.
Mounting Rails: Designed for vertical and horizontal mounting. Rail kits include mounting brackets.
Vertical mounting available by special quote on sizes 34-48”.
Inlet/Outlet Guard: Prevents objects from entering the fan inlet or outlet. Includes companion ange.
Inspection Door: For inspection and blade service/cleaning. Bolted. Not available on sizes 12 and
16.
Companion Flanges: Inlet and/or outlet anges are available for duct connection.
Disconnect Switch: Nonfused safety disconnect available for all motor sizes and enclosures.
Specify prewired if desired. (Wiring not available on explosion proof and two speed motors).
Special Coatings (Epoxy Coating is Standard): For protective and decorative purposes. Available
coatings include: Synthetic Resin and Heresite (air-dried phenolic). Contact your representative or the
factory for more information on available coatings and colors.
MOUNTING CONFIGURATIONS
Note: The 12 & 16 are designed to mount to a supported duct work and do not have all
mounting congurations.
Floor Mount
Hanging Mount
Vertical Rail Floor
Mount
Vertical Rail
Hanging Mount
Vertical mounting
available on
special quote on
sizes 34-48”.