The HELI RRK125 radial tube fan is a powerful ventilation fan specifically designed for direct installation in duct systems. With a housing made of impact-resistant plastic and round connection nozzles compatible with standard pipes, this fan provides reliable and efficient air circulation. The high-performance radial impeller with backward-curved blades ensures a high air flow rate of up to 390 m³/h. The fan is equipped with a maintenance-free, low-noise external rotor motor that guarantees a long service life due to its enclosed design and sealed ball bearings. Additionally, the dynamic balancing according to quality level G 6.3 ensures vibration-free operation, making it suitable for various applications, from residential areas to commercial spaces.

• High-performance radial impeller with backward-curved blades
• Vibration-free operation through dynamic balancing according to quality level G 6.3
• Maintenance-free external rotor motor with low-noise ball bearings
• Direct installation in duct systems for easy setup
• Robust housing made of impact-resistant plastic.