BDTX - CENTRIFUGAL IN LINE DUCT FANS BACKWARD CURVED
BDTX is a BVN centrifugal in-line fan for round ducts, with a backward-curved impeller. According to the manufacturer, it is designed for low and medium ventilation volumes in duct systems where installation space is limited.
Construction
- Casing and impeller made of high-quality galvanized sheet steel;
- Closed external-rotor AC motor (1~230 V), IP44;
- Thermal protection available on request;
- Can be installed in any position, also on a wall with the mounting legs; connects to the duct with clamps;
- Speed control with a voltage regulator (BSC).
Specifications (manufacturer data)
- Sizes (duct diameter): 100, 125, 150, 160, 200, 250, 315 and 355 mm;
- Airflow: 240 to 2,620 m³/h depending on size;
- Maximum static pressure: 255-870 Pa;
- Power: 60-445 W; sound level 43-54 dB(A) at 3 m;
- Max. air temperature: 55°C.
In greasy environments the manufacturer recommends using it with a grease filter. For kitchen exhaust see the BKEF series; for more pressure and efficiency see BDTX-EC with an EC motor. More models: duct fans. Contact NB Group for sizing. Manufacturer catalogue (BVN)



