BRF - CENTRIFUGAL ROOF FANS - HORIZONTAL OUTLET

BRF is a BVN centrifugal roof fan with horizontal discharge. According to the manufacturer, it is used on the roofs of buildings where the air needs to be refreshed, and on roof stacks of bathroom and WC shafts shared by the building.

Construction

• Mounting plate and cap made of electrostatically powder-coated sheet metal;
• High-quality galvanized steel impeller with backward-curved blades;
• Closed external-rotor motor, IP44 (IP54 on sizes 500 and 560);
• Light, compact housing for easy installation;
• Speed control with a voltage regulator (BSC) on single-phase and a frequency inverter (BSC-F) on three-phase models.

Specifications (manufacturer data)

• Sizes: 160, 180, 225, 250, 315, 355, 400, 450 (1~230 V), 500 and 560 (3~400 V);
• Airflow: 346 to 9,600 m³/h (50 Hz);
• Maximum static pressure: 225-880 Pa;
• Power: 60-1,750 W; sound level 44-66 dB(A) at 4 m;
• Max. air temperature: 40°C.

For hot air (up to 120°C) see other models in roof fans. Contact NB Group for sizing. Manufacturer catalogue (BVN)