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Model 1900B - Industrial Roof Ventilator - Belt Drive

  • Intake or exhaust of general ventilation with reversable prop
  • Belt driven standard, direct drive available
  • Heavy gauge curb cap continuously welded
  • Rugged fabricated Seel prop standard
  • Spark-resistant Al prop available for hazardous locations
  • Easily opened fabricated Al weather hood with removable birdscreen
  • Select options below for more information or request a quote
Hooded Model 1900 B Roof Exhaust or Supply Ventilators
Unit of Measure
Items Hooded Model 1900 B Roof Exhaust or Supply Ventilators
1924-B-1/4
780 Revolutions Per Minute (rpm) Fan Speed Hooded Model 1900 B Roof Exhaust or Supply Ventilator
Hooded Model 1900 B Roof Exhaust or Supply Ventilators
1924-B-1/2
980 Revolutions Per Minute (rpm) Fan Speed Hooded Model 1900 B Roof Exhaust or Supply Ventilator
Hooded Model 1900 B Roof Exhaust or Supply Ventilators
1924-B-3/4
1140 Revolutions Per Minute (rpm) Fan Speed Hooded Model 1900 B Roof Exhaust or Supply Ventilator
Hooded Model 1900 B Roof Exhaust or Supply Ventilators
1924-B-1
1250 Revolutions Per Minute (rpm) Fan Speed Hooded Model 1900 B Roof Exhaust or Supply Ventilator
Hooded Model 1900 B Roof Exhaust or Supply Ventilators
1930-B-1/3
595 Revolutions Per Minute (rpm) Fan Speed Hooded Model 1900 B Roof Exhaust or Supply Ventilator
Power N/A 1/4 hp N/A 1/2 hp N/A 3/4 hp N/A 1 hp N/A 1/3 hp
Prop Number N/A S24 N/A S24 N/A S24 N/A X24 N/A S30
Fan Speed N/A 780 rpm N/A 980 rpm N/A 1140 rpm N/A 1250 rpm N/A 595 rpm
Number of Blades N/A 4
Fan Diameter N/A 24 in N/A 24 in N/A 24 in N/A 24 in N/A 30 in
Capacity at 0 Inch (in) Static Pressure N/A 4222 ft³/min N/A 5716 ft³/min N/A 6648 ft³/min N/A 6696 ft³/min N/A 6380 ft³/min
Capacity at 1/8 Inch (in) Static Pressure N/A 2807 ft³/min N/A 5061 ft³/min N/A 6144 ft³/min N/A 6271 ft³/min N/A 3617 ft³/min
Capacity at 1/4 Inch (in) Static Pressure N/A 1576 ft³/min N/A 4043 ft³/min N/A 5518 ft³/min N/A 5600 ft³/min N/A 1808 ft³/min
Capacity at 3/8 Inch (in) Static Pressure N/A 800 ft³/min N/A 2600 ft³/min N/A 4413 ft³/min N/A 4464 ft³/min N/A 767 ft³/min
Outstanding Features N/A
  • Standard construction. May be used for exhaust or supply. Special units can be manufactured for 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.
  • Steel propellers standard. Cast aluminum propellers available.
Accessories and Options N/A
  • Filters (consult regarding filter type and dimensional changes)
  • Variable pitch pulleys
  • Coatings - Epoxy, Eisenheiss, and Hot Dip Galvanized available
  • Disconnect Switch
  • Roof Curbs - With or without back draft dampers for flat, sloping, or apex roofs
  • Dampers - Gravity, counterbalanced, and motor operated