The HELI RRK250EX radial duct fan from Helios is a powerful solution for efficient ventilation in various applications. This fan is specifically designed for direct installation in duct systems and offers a high airflow rate of up to 970 m³/h. The housing is made of high-quality, impact-resistant, and antistatic plastic, which not only increases the product's durability but also ensures safety during operation. With an explosion-proof design according to ATEX guidelines, this fan is ideal for use in potentially hazardous environments. The powerful motor and the backward-curved radial impeller provide vibration-free operation and quiet performance, making it an excellent choice for applications where a quiet environment is required. The closed motor design and high-quality ball bearings with long-term lubrication contribute to the maintenance-free and reliable operation of the device.

• High-performance radial impeller with backward-curved blades
• Vibration-free operation through dynamic balancing
• Explosion protection according to ATEX guidelines
• Maintenance-free, quiet motor with long-term lubrication
• Housing made of impact-resistant and antistatic plastic.