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Item Details - 2RB89

DaytonCentrifugal Belt-Drive In-Line Duct Blower

Designed for indoor clean air applications including intake, exhaust, return, or make-up air systems in industrial or commercial buildings. Rugged construction allows fan to be installed in ductwork either horizontally or vertically. Duct collars provide easy duct connections. Access panels are included on each side of the unit. Select unit with drive package.

  • Aluminum backward inclined, nonoverloading centrifugal wheel design
  • UL/cUL 705 Listed for Power Ventilators
  • Maximum inlet air temperature: 160º F
  • Bearing and motor cover provide longer service life
  • Sealed pillow block bearings

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP1.500'' SP1.750'' SP2.000'' SP
1/4
0.26
1609
CFM
Sones
1/3
0.35
1772
CFM
Sones
1/2
0.52
2029
CFM
Sones
3/4
0.79
2323
CFM
Sones
1
1.05
2556
CFM
Sones
0.000'' SP0.125'' SP0.250'' SP0.375'' SP0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP1.500'' SP1.750'' SP2.000'' SP
132412651207114910881003917772—————
15.415.415.014.213.412.411.810.9—————
14581405135212981247118711101035939————
16.916.616.415.715.514.814.313.813.1————
1669162315771530148414391396132912621119———
19.919.819.619.519.419.018.618.218.217.2———
191118711830179017491708166816301591147213581197—
23.023.023.023.023.023.023.022.022.021.020.021.0—
2103206620291993195619191882184518101734162615221402
26.026.026.026.025.026.026.026.025.025.024.022.024.0
Agency Compliance

Dayton Electric Mfg. Co. certifies that the blowers 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 B: Free inlet, Ducted 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 B: Free inlet hemispherical fan sone levels.

Catalog 405, January 2010

Product Specifications (Glossary)

Agency Compliance [?]
  • UL/cUL 705
  • AMCA Sound & Air
Assembled [?]FALSE
Bearing Type [?]Sealed Pillow Block
CFM [?]917 to 2,066 ft3/min
Depth [?]21 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionInline Fan
Height [?]17 in
Horsepower [?] 1/4 to 1 hp
Housing Material [?]Galvanized Steel
Impeller Diameter (Nom.) [?]11 in
Impeller Material [?]Aluminum
Impeller Type [?]Backward Inclined Centrifugal
Includes [?]Access Panels
Inlet Width x Inlet Height [?]13 7/8 x 13 7/8 in
Max Inlet Temp [?]160 °F
Model DescriptionCentrifugal Belt-Drive In-Line Duct Blower
Mounting Location [?]Inline
Outlet Width x Outlet Height [?]13 7/8 x 13 7/8 in
Shaft Diameter [?] 3/4 in
Speed Controllable [?]No
TypeCentrifugal Belt-Drive, Less Drive Package
Warranty Length [?]1 Year
Width [?]17 in

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