RVB - Belt Drive Roof Ventilators

  • Standard props are heavy gauge steel. 
  • Belt drive heavy-duty industrial construction. 
  • Totally enclosed motor standard, ODP optional. 
  • Low noise level. 
  • Rolled inlet venturi for efficient air flow. 
  • Butterfly damper axles pivot on self-lubricating nylon bearings. 
  • Damper edge tapered for weather seal. 
  • Wind band is 18 gauge galvanized with 2" double rolled edge top and bottom for added strength. 
  • Rubber shim under dampers for better seal. 
  • Rubber damper stops for quiet operation. 
  • Acid resistant coatings available - consult factory for pricing. 
  • Back draft dampers can be provided in curb base only. 
  • Size of roof opening to be 6" larger than fan size. 
  • For explosion proof models, consult factory representative.
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Additional Information

115/230V-60Hz. 230/460V-60Hz. SIZE HP FAN RPM CFM-Static Pressure SHIP WT.
RVB24131 RVB24133 24 1/3 850 4180 300
RVB24121 RVB24123 24 1/2 980 5080 350
RVB24341 RVB24343 24 3/4 1140 6110 308
RVB30121 RVB30123 30 1/2 675 345
RVB30341 RVB30343 30 3/4 770 7830 355
RVB3011 RVB3013 30 1 850 8830 365
RVB36341 RVB36343 36 3/4 570 365
RVB3611 RVB3613 36 1 630 11020 385
RVB4211 RVB4213 42 1 580 570
RVB421121 RVB421123 42 1.50 660 15670 585
RVB4221 RVB4223 42 2 735 18130 595
RVB4233 42 3 840 21020 615
RVB481121 RVB481123 48 1.50 545 19370 720
RVB4821 RVB4823 48 2 600 21750 730
RVB4833 48 3 685 25360 740
RVB5433 54 3 570 30020 910
RVB5453 54 5 675 36290 930
RVB6033 60 3 450 31920 1050
RVB6053 60 5 535 38950 1050
RVB607123 60 7.50 610 45220 1115