RVD - Direct Drive Roof Ventilators

  • Cast aluminum blades.
  • Direct drive heavy-duty industrial construction.
  • Totally enclosed motor standard, open drip proof and explosion proof optional.
  • Rolled inlet venturi for efficient air flow.
  • Utilizes heavy-duty construction.
  • 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 or open drip proof models, consult factory representative.
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Additional Information

115/230V-60Hz. 230/460V-60Hz. FAN SIZE MOTOR HP FAN RPM CFM-STATIC PRESSURE SHIP WT.
RVD18141 RVD18143 18" 1/4 1200   170
RVD18131 RVD18133 18" 1/3 1800 2850 174
RVD18121 RVD18123 18" 1/2 1800   177
RVD1811 RVD1813 18" 1 1800 4160 180
RVD24141 RVD24143 24" 1/4 1200   270
RVD24341 RVD24343 24" 3/4 1200 5320 280
RVD2411 RVD2413 24" 1 1800 6550 300
RVD2433 24" 3 1800 9590 330
RVD30341 RVD30343 30" 3/4 1200 7530 355
RVD3013 30" 1 900   360
RVD301123 30" 1.50 1200   370
RVD3023 30" 2 1200 10160 380
RVD3033 30" 3 1800 11780 381
RVD3053 30" 5 1800   400
RVD3623 36" 2 900 11780 530
RVD3623A 36" 2 1200   530
RVD3633 36" 3 1200 17000 540
RVD3653 36" 5 1200   550
RVD4223 42" 2 1200 15050 635
RVD4253 42" 5 900 24220 670
RVD4253A 42" 5 1200   670
RVD427123 42" 7.50 900 27930 705
RVD4833 48" 3 1200 22990 800
RVD4853 48" 5 900 22420 800
RVD487123 48" 7.50 900   810
RVD487123A 48" 7.50 1200   815
RVD48103 48" 10 900 33250 825
RVD48103A 48" 10 1200 37050 860