Model 1900-B-F – Filtered Hooded Roof Ventilator Exhaust or Supply-Air – Belt Drive

Model 1900-B-F – Filtered Hooded Roof Ventilator Exhaust or Supply-Air – Belt Drive

Sizes 24″ to 60″

Direct Drive Available
– Filter Box Section containing Pleated Merv-8 rated Filters (Throw-Away Type)
– All Aluminum Hood (with Bird Screen)
– Filtered intake or Exhaust Air

  • Description
  • Cut Sheets and Drawings

Description

APPLICATION

The Model 1900-B-F Filtered Belt Driven Roof Ventilators are specifically designed for supplying filtered exhaust or supply air from your plant spaces.

OUTSTANDING FEATURES

  • Standard construction. May be used for exhaust or supply. Special units can be manufactured for both exhaust and supply.
  • Heavy industrial construction-steel base with aluminum hood. 1900 Series roof exhausters incorporate standard fans. Steel base is coated with cold galvanizing compound as standard.
  • Quiet operation.
  • Birdscreen included.
  • Self aligning pillow block bearings with locking collars.
  • Industrial quality motors – 1900 roof exhauster units are completely assembled and tested at factory before shipping.
    NOTE: Hood is packaged separately from fan assembly, to protect hood in transit.
  • Steel propellers standard. Cast aluminum propellers available.

THE FILTERS WE USE ARE:

  • High Capacity, Pleated, MERV 8 rated filters meets ASHRAE 52.2-1999
  • 5 times more efficient than fiberglass filters
  • 50% more surface area than standard capacity filters extending the service life by 30% and providing reduced resistance
  • Filters are made from 100% synthetic media which prevent the fibers from shedding
  • UL class 2
  • All filters are 2″ thick (H x W change per fan size requirements)
Model Number Fan Size Horsepower Fan Speed Capacity
1924-B-1F
24″
1
780 RPM
2807 CFM
1930-B-2F
30″
2
1140 RPM
11,112 CFM
1936-B-2F
36″
2
720 RPM
12,012 CFM
1942-B-3F
42″
3
550 RPM
13,117 CFM
1948-B-5F
48″
5
465 RPM
14,991 CFM
1954-B-5F
54″
5
410 RPM
19,375 CFM
1960-B-5F
60″
5
423 RPM
23,690 CFM
Fan Size Filter Box Size and Number of Rows of Filters Number and Size of Filters Used
24″
30” X 30” (2-Rows)
(4) 14” X 25” (2) per row
30″
36” X 36” (4-Rows)
(8) 18” X 24” (2) per row
36″
42” X 42” (4-Rows)

(1) 18″ X 24″ per row
(1) 24″ X 24″ per row
(8) Total Filters

42″
48” X 48” (4-Rows)
(8) 24” X 24” (2) per row
48″
54” X 54” (4-Rows)
(12) 18” X 24” (3) per row
54″
60” X 60” (4-Rows)
(2) 18″ X 24″ per row
(1) 24″ X 24″ per row
(12) Total Filters
60″
66” X 66” (4-Rows)
(2) 25″ X 25″ per row
(1) 16″ X 25″ per row
(12) Total filters

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Model 1900 B-F Filtered Hooded Roof Ventilator Exhaust or Supply Air Belt Drive Drawing