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Model BRV - Industrial Roof Exhausters - Belt Drive

  • Designed for smoke, heat, and fume removal
  • Utilizes Model B tube axial duct fan
  • Spark-resistant Al prop standard
  • Heavy gauge curb cap continuously welded
  • Removable gravity butterfly damper section for easy prop access
  • Combination weather cover/belt guard
  • Motor components located outside airstream
  • Select options below for more information or request a quote
Unit of Measure

Specifications

Power

 N/A 7-1/2 hp

Performance Data

Fan Size

 N/A 48 in

Fan Speed

 N/A 900 rpm

Number of Blades

 N/A 6

Prop Number

 N/A CA195

Free Air

 N/A 37500

Capacity at 1/8 Inch (in) Static Pressure

 N/A 35900 ft³/min

Capacity at 1/4 Inch (in) Static Pressure

 N/A 34500 ft³/min

Capacity at 3/8 Inch (in) Static Pressure

 N/A 32800 ft³/min

Capacity at 1/2 Inch (in) Static Pressure

 N/A 31200 ft³/min

Capacity at 3/4 Inch (in) Static Pressure

 N/A 27700 ft³/min

Capacity at 1 Inch (in) Static Pressure

 N/A 23000 ft³/min

Applications

Applications

 N/A Used where it is necessary to have the motor removed from the air stream.

Outstanding Features

Outstanding Features

 N/A
  • Model B Tube Axial Duct Fans are standard in BRV Models. In applications where excessive heat or moisture is present, Models BHT or BCS Tube Axial Duct Fans may be incorporated into the roof ventilator.
  • Ruggedly constructed with heavy steel base and galvanized damper section. Galvanized motor cover furnished with the roof ventilator.
  • Model BRV Roof Ventilators are also available in stainless steel, aluminum, and hot dipped galvanized construction.
  • Fan drum is continuously welded to curb cap to prevent leakage.
  • Belt tube is completely sealed to protect sheaves and belts from contaminated air.
  • Cast aluminum, steel, and adjustable propellers are available.
  • Damper section bolts to fan for easy removal.
  • Dampers rotate in nylon bearings on a stainless steel axle.
  • Motor is located outside air stream on adjustable motor base.
  • Extended grease tube lines.
  • Damper sections may be purchased separately for existing stacks.

Accessories and Options

Accessories and Options

 N/A
  • Protective Coatings - Epoxy or Eisenheiss provide good protection against corrosive agents. Hot dip galvanize also available.
  • Prefabricated Curbs - For flat, sloping, or apex roofs. Minimum 8" curb height.
  • Disconnect Switch.