The HELI HRFD 250/2 high-performance fan from Helios is a powerful axial fan designed for efficient ventilation in various applications. With a cylindrical duct made of galvanized steel sheet and flanges on both sides, this fan offers a robust and durable construction. The impeller is equipped with profiled plastic blades that are aerodynamically optimized to ensure a high air flow rate of up to 2000 m³/h. The fan is directly driven and features an external terminal box that allows for easy installation and maintenance. The three-phase short-circuit rotor motor is speed-controllable through voltage reduction and has a closed design that makes it maintenance-free. With low-noise ball bearings that provide long-term lubrication, this fan is ideal for applications where quiet operation is required.

• High-performance impeller with profiled blades for optimized aerodynamics
• Speed controllable through voltage reduction
• Maintenance-free operation thanks to closed design
• Low-noise ball bearings with long-term lubrication
• Robust construction made of galvanized steel sheet with flanges on both sides.