IN-LINE FANS
better AIRFLOW
TM
by DESIGN
ADD
DIRECT DRIVE
TUBEAXIALS
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Simple maintenance - no belts or pulleys
Spark resistant, cast aluminum airfoil axial impeller
Aerodynamically efficient performance
Factory set adjustable pitch blades
Heavy duty welded steel construction
TEFC industrial duty motor
Sizes range from 12” to 60”
Direct drive capacities to 61,000 cfm
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ADD DIRECT DRIVE TUBEAXIAL FANS
PRODUCT SPECIFICATION GUIDE
1.0 GENERAL
A. Fans shall be model ADD Direct Drive Tubeaxial Fans, as manufactured by Continental Fan Manufacturing
Inc., of Buffalo, NY, and of the size and capacity as indicated on the drawings and fan schedule.
B. Fans shall be rated and tested in accordance with ANSI/AMCA Standard 210-99.
C. All motors and electrical components shall conform to NEMA standards.
2.0 FAN HOUSING
A. Fan housing shall be constructed of heavy gauge steel and welded angle ring flanges.
B. Fan motor base shall be constructed of welded heavy gauge steel, and form an integral part of the interior fan
housing.
C. Fan housing and motor base shall be coated with an air dried gray enamel finish.
3.0 FAN IMPELLER
A. Axial impeller shall be constructed of spark resistant, die cast aluminum airfoil shaped blades secured to a die
cast aluminum hub assembly.
B. Axial impeller blades shall be of adjustable pitch construction with multiple hub-to-blade arrangements to
maximize air performance. Blade pitch angles shall be factory set.
C. Axial impeller hub shall be designed to incorporate a split taper bushing, and be keyed directly to motor shaft.
4.0 FAN MOTOR AND DRIVE
A. Motor shall be TEFC industrial duty and conform to NEMA standards.
B. Motor shall be of voltage, horsepower, RPM and enclosure as indicated on the fan schedule.
C. Fan shall be provided with an externally mounted and wired junction box.
5.0 OPTIONAL FAN ACCESSORIES
A. Where indicated, fan shall be provided with the following optional accessories:
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Guards
- Propeller side
- Motor side
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Companion flanges
Inspection door
Mounting brackets
- Horizontal
- Vertical
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Mounting legs
304 stainless steel construction
316 stainless steel construction
Protective coatings for fan housing
- Epoxy
- Eisenheiss
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Motors
- Explosion proof
- Special duty
6.0 FAN TESTING
A. Axial impeller shall be balanced and mounted in fan assembly.
B. Fan assembly shall be run and tested prior to shipment.
C. A test report shall be maintained on file for each individual fan.
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ADD DIRECT DRIVE TUBEAXIALS
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