CF Series Centrifugal 3 phase
Backward-curved centrifugal fan for high static pressure. Up to 3,500 Pa, air volume up to 25,000 m³/h, direct-drive impeller. Standard: DIN EN ISO 5801, ISO 21940 balanced.
| Standard | DIN EN ISO 5801 / ISO 13349 |
| Motor | EC / IE5 (IEC 60034-30) |
| Ingress Protection | IP54 to IP66 |
Technical Specifications
| Model Size | Diameter (Ø mm) | Max Airflow (m³/h) | Max Pressure (Pa) | Sound Power (dB(A)) |
|---|---|---|---|---|
| CFB4D-225S | 225 | 1,800 | 310 | 74 |
| CFB4D-180D | 180 | 1,900 | 220 | 63 |
| CFB4D-200D | 200 | 2,500 | 260 | 64 |
* Values are nominal and subject to manufacturing tolerances. Consult GTM technical support for specific duty points or operating conditions.
Centrifugal blowers are designed for reliable air movement in ventilation, refrigeration, air-conditioning, air handling units, evaporators, condensers, control panels, and industrial cooling applications.
Built with a compact structure and precision-balanced impellers, these blowers provide stable airflow, high static pressure, low vibration, and dependable performance in continuous operation. The single-phase 230V motors are suitable for commercial and industrial use, offering efficient operation with consistent air delivery.
Available in single inlet and dual inlet designs, these blowers are ideal for applications where strong air pressure, compact size, and reliable German-quality performance are required.
Key Applications
Explore the Complete GTM Product Catalog
Browse our full range of axial fans, centrifugal fans, EC fans, and industrial ventilators — all engineered to DIN EN ISO 5801 at our Stuttgart facility.