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Item Details - 3FKD8

DaytonMedium-Duty Belt-Drive Exhaust Fan

Designed for commercial and industrial applications requiring high volumes of air at low static pressures. Construction includes heavy-duty drive frame rails and one-piece motor/bearing plate. Propeller utilizes a five-blade reinforced galvanized steel design which provides low sound levels. Mount in vertical position for exhaust applications or horizontal position for supply applications. Select unit with drive package.

  • Variable pitch adjustable motor pulley to optimize fan performance
  • Maximum inlet air temperature: 104º F
  • 5-Blade reinforced galvanized steel propellers

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP
1/4
0.30
861
CFM
Sones
1/3
0.40
947
CFM
Sones
1/2
0.60
1085
CFM
Sones
3/4
0.90
1241
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP
44043672——
14.314.0——
48444156——
16.115.7——
555049194269—
17.917.616.7—
6348576453254479
22.022.021.021.0
Agency Compliance

Dayton Electric Mfg. Co. certifies that the ventilators shown herein are licensed to bear the AMCA seal. The ratings shown are based on tests and procedures performed in accordance with AMCA Publication 211 and AMCA Publication 311 and comply with the requirements of the AMCA Certified Ratings Program.

Performance certified is for installation type A: Free inlet, Free outlet. Power rating (BHP) does not include transmission losses. Performance ratings do not include the effects of appurtenances (accessories). The sound ratings shown are loudness values in fan sones at 5 ft. (1.5 m) in a hemispherical free field calculated per AMCA Standard 301. Values shown are for installation type A: Free inlet hemispherical fan sone levels.

Catalog 405, January 2010

Recommended Accessories

Galvanized Shutter
1C745
Item
Aluminum Shutter
4C559
Item
Fiberglass Shutter
5C214
Item
Fan Guard
1WBU2
Item
Wall Collar
3FKF3
Item
Wall Housing
3FKF7
Item
Weather Hood
3FKF2
Item

Product Specifications (Glossary)

Agency Compliance [?]
  • UL/cUL 705
  • AMCA Sound & Air
Assembled [?]FALSE
Bearing Type [?]Permanently Lubricated Sleeve
CFM [?]3,672 to 6,348 ft3/min
Damper Width x Damper Height [?]20 x 20 in
Depth [?]19 1/2 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionExhaust Fan
Frame Material [?]Galvanized Steel
Height [?]24 in
Horsepower [?] 1/4 to 3/4 hp
Impeller Diameter (Nom.) [?]20 in
Impeller Material [?]Steel
Impeller Type [?]Propeller
Max Inlet Temp [?]104 °F
Model DescriptionMedium-Duty Belt-Drive Exhaust Fan
Mounting Location [?]Wall
Number of Blades [?]5
Shaft Diameter [?] 3/4 in
Speed Controllable [?]No
TypeMedium Duty Belt-Drive, Less Drive Package
Warranty Length [?]1 Year
Width [?]24 in

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