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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
IN-LINE FANS
ADD
DIRECT DRIVE
TUBEAXIALS
better AIRFLOW
by DESIGN
TM
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SSTTAANNDDAARRDD FFEEAATTUURREESS && BBEENNEEFFIITTSS
• Simple maintenance – no belts or pulleys
• Spark resistant, cast aluminum airfoil axial impeller
• Factory set adjustable pitch blades
• Aerodynamically efficient performance
• Heavy duty welded steel and angle ring construction
• Air dried enamel paint finish
• Mountable in ductwork in any position
• TEFC industrial duty motor
• Externally mounted and wired junction box
AAPPPPLLIICCAATTIIOONNSS
• Process ventilation • In-line duct booster
• Fumes, dust or smoke removal • General ventilation
AACCCCEESSSSOORRIIEESS // OOPPTTIIOONNSS
• Epoxy or Eisenheiss coatings • Propeller side guard • 304 or 316 stainless steel construction
• Horizontal mounting brackets • Motor side guard • Explosion proof motors
• Ver tical mounting brackets • Inspection door • Special duty motors
• Mounting legs • Companion flanges • Reverse flow construction
MODEL A B C D
WT (LBS)
LESS MTR
MAX MTR
FRAME
ADD-12 12 13.1 14 14 35 56
ADD-18 18 19.1 20 14 45 145T
ADD-24 24 25.8 27 18 75 184T
ADD-27 27 28.8 30 18 90 184T
ADD-30 30 31.8 33 18 110 184T
ADD-34 34 35.8 37 18 130 184T
ADD-36 36 37.9 39 18 160 184T
ADD-42 42 43.6 45 18 190 215T
ADD-48 48 49.6 51 18 425 284T
ADD-54 54 55.6 57 24 645 286T
ADD-60 60 61.6 63 24 700 286T
DIMENSIONS IN INCHES*
ADD DIRECT DRIVE TUBEAXIAL FANS
MODEL
MINIMUM
CFM
MAXIMUM
CFM
ADD-12 600 2,044
ADD-18 1,000 4,600
ADD-24 1,400 10,500
ADD-27 2,000 11,500
ADD-30 2,300 16,000
ADD-34 4,000 21,000
ADD-36 4,500 24,000
ADD-42 5,800 29,000
ADD-48 11,000 41,000
ADD-54 18,000 51,000
ADD-60 24,000 61,000
PERFORMANCE RATING
*DO NOT USE FOR CONSTRUCTION
CONSULT FACTORY FOR CERTIFIED PRINTS
2
B
.44
O
ROTATION
AIRFLOW
C
A
D
VARIES W/ MOTOR
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ADD DIRECT DRIVE TUBEAXIAL FANS
PPRROODDUUCCTT SSPPEECCIIFFIICCAATTIIOONN GGUUIIDDEE
11..00 GGEENNEERRAALL
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.
22..00 FFAANN HHOOUUSSIINNGG
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 par t of the interior fan
housing.
C. Fan housing and motor base shall be coated with an air dried gray enamel finish.
33..00 FFAANN IIMMPPEELLLLEERR
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.
44..00 FFAANN MMOOTTOORR AANNDD DDRRIIVVEE
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.
55..00 OOPPTTIIOONNAALL FFAANN AACCCCEESSSSOORRIIEESS
A. Where indicated, fan shall be provided with the following optional accessories:
• Guards
- Propeller side
- Motor side
• Companion flanges
• Inspection door
• Mounting brackets
- Horizontal
- Vertical
• Mounting legs
• 304 stainless steel construction
• 316 stainless steel construction
• Protective coatings for fan housing
- Epoxy
- Eisenheiss
• Motors
- Explosion proof
- Special duty
66..00 FFAANN TTEESSTTIINNGG
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.
3
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ADD-0911
ADD DIRECT DRIVE TUBEAXIALS
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