The HELI HRFW 355/4 axial high-performance fan from Helios is a powerful ventilation fan designed for efficient air circulation 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 directly driven single-phase AC capacitor motor ensures reliable performance and is maintenance-free, minimizing operating costs. The fan is equipped with a high-performance impeller that is aerodynamically optimized with profiled plastic blades to guarantee a high air flow rate of up to 2850 m³/h. The closed design and low-noise ball bearings contribute to quiet operation, while the option for speed control through voltage reduction allows for flexible adjustment to specific requirements.

• High-performance impeller with profiled blades for optimized air circulation
• Maintenance-free, closed single-phase AC capacitor motor
• Speed control possible through voltage reduction
• Low-noise ball bearings with long-term lubrication
• Robust construction made of galvanized steel sheet with flanges on both sides.