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Item Details - 2RB65

DaytonHigh Pressure Centrifugal Belt-Drive Upblast Exhaust Ventilator

Designed for use in restaurants, schools, commercial, and industrial applications to exhaust contaminated air from kitchen range hoods, up and away from the roof. Leakproof, spun aluminum construction features a fully rolled windband for increased stability. Select unit with drive package.

  • Aluminum backward inclined, nonoverloading centrifugal wheel design
  • Maximum inlet air temperature: 300º F
  • NEMA 1 junction box located in motor enclosure
  • Optional NEMA 1 and 4 disconnects available
  • Sealed pillow block bearings
  • UL/cUL 705 Listed for Power Ventilators
  • UL/cUL 762 Listed for Restaurant Exhaust Appliances
  • Air handling quality bearings meet minimum of L10-100,000 hours

Agency Compliance

Performance

Motor HPMax BHPFan RPMCFM @
0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP1.500'' SP1.750'' SP2.000'' SP2.250'' SP2.500'' SP
1/4
0.26
2045
CFM
Sones
1/3
0.35
2250
CFM
Sones
1/2
0.53
2580
CFM
Sones
0.500'' SP0.625'' SP0.750'' SP0.875'' SP1.000'' SP1.250'' SP1.500'' SP1.750'' SP2.000'' SP2.250'' SP2.500'' SP
761729693655615522346————
13.913.512.712.212.111.511.4————
860832804772737665579456———
14.414.414.213.713.212.511.911.6———
1014992969944919861799735655550323
16.816.416.015.915.715.114.413.713.212.912.5
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 sone levels.

Catalog 405, January 2010

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Product Specifications (Glossary)

Agency Compliance [?]
  • UL/cUL 762
  • AMCA Sound & Air
Assembled [?]FALSE
Base Height [?]1 3/4 in
Bearing Type [?]Sealed Pillow Block
CFM [?]323 to 1,014 ft3/min
Curb Cap Size [?]22 in
Damper Width x Damper Height [?]15 x 15 in
Drive Package Description [?]Drives By Others
Drive Type [?]Belt Drive
Fan DescriptionExhaust Fan
Height [?]25 1/8 in
Horsepower [?] 1/4 to 1/2 hp
Housing Material [?]Spun Aluminum
Impeller Diameter (Nom.) [?]11 in
Impeller Material [?]Aluminum
Impeller Type [?]Backward Inclined Centrifugal
Includes [?]NEMA 1 Junction Box
Max Inlet Temp [?]300 °F
Model DescriptionHigh Pressure Centrifugal Belt-Drive Upblast Exhaust Ventilator
Mounting Location [?]Roof
Overall Diameter [?]24 7/8 in
Recommended Damper Size15 x 15
Required Accessory [?]Roof Curb For New Installation
Roof Opening Width x Roof Opening Length [?]17 1/2 x 17 1/2 in
Shaft Diameter [?] 3/4 in
Speed Controllable [?]No
TypeHigh Pressure, Centrifugal Upblast, Less Drive Package
Warranty Length [?]1 Year

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