The HELI HRFD 355/4 TK 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 directly driven motor allows for precise speed control through voltage reduction, enabling flexible adjustments to different requirements. The fan is equipped with a high-performance impeller optimized with profiled plastic blades to ensure a high air flow rate. The closed design and low-noise ball bearings provide maintenance-free operation and a long lifespan. The HELI HRFD 355/4 TK is therefore a reliable solution for anyone needing effective and quiet ventilation.

• Air flow rate of 2900 m³/h for efficient ventilation
• High-performance impeller with aerodynamically optimized blades
• Three-phase short-circuit rotor motor with variable speed control
• Maintenance-free operation thanks to closed design and long-term lubrication
• Robust construction made of galvanized steel sheet with flanges on both sides.