Roof fan 180-300 mm, 346-2400 m3/h 230v, centrifugal, low noise, for 180-300 mm pipes, BVN Air

What is the BVN Air BRF Roof Fan and when is it suitable?

Streamline your ventilation with a durable centrifugal roof fan designed for professional extraction. BRF roof fans are built for daily operation, providing consistent airflow with low noise levels relative to their capacity. A practical solution when you need industrial quality and stable performance in your ventilation system.

Key Features

• Quiet Operation – Aerodynamic design with backward-curved blades.
• Horizontal Discharge – Ensures effective and even air distribution.
• Robust Construction – Powder-coated sheet metal for long service life.
• Stable Motor – External rotor motor with a closed structure.
• Speed Control – Compatible with external speed controllers or frequency inverters.

Technical Specifications

View PDF with full technical specifications

Important regarding dimensions and duct connection (*)

There can be confusion regarding the dimensions in certain datasheets. Here is a clarification specifically for the BRF-160 model:

1. Why does it say 80 mm (F) in some drawings?

In some technical drawings, the dimension F = 80 mm is specified. This refers to the diameter of the internal inlet throat (restrictor) in the base plate, designed to increase pressure. It is not the size of the ventilation duct you should connect. Connecting an 80 mm duct would create extremely high air velocities and noise.

2. Which duct size should I actually use?

Even though the internal inlet hole is smaller, the connection surface and base plate are sized for standard ventilation ducts.

• Recommendation: Use a standard 160 mm ventilation duct up to the roof curb for optimal performance and noise levels.
• Mounting: The fan is typically mounted on a roof curb. The critical dimension is the hole pattern (E).

3. Critical dimensions for mounting the BRF-160

• Base Plate (A x B): 252 x 260 mm
• Hole Pattern (E): 210 mm (center-to-center distance between screw holes)

Conclusion: Prepare a roof curb or connection that matches the 210 x 210 mm hole pattern.

Applications & Industries

Perfect for optimizing extraction and air exchange in environments requiring reliable operation. Common installations include general ventilation and targeted extraction from spaces with heat, humidity, or odors.

• Car repair shops and painting environments
• Industrial halls and production areas
• Warehouses and logistics centers
• Restaurants, cafes, and commercial kitchens
• Offices and commercial properties

Frequently Asked Questions (FAQ)

Who is this product for?
Suitable for ventilation technicians, facility managers, maintenance supervisors, industrial service providers, and building contractors.

Is a speed controller included?
No, speed control is handled via an external regulator or frequency inverter, chosen separately based on installation needs.

Is it suitable for continuous operation?
Yes, the robust construction is designed for daily use in professional systems.

How does delivery work?
We offer fast delivery to businesses. Contact us if you need assistance selecting the right model or accessories.