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Products
(1930)
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Helios Fans HDH 400
The Helios HDH 400 is a horizontal roof ventilation cowl designed to cover convection outlets and supply air openings on rooftops. Built in the same style as the RD series roof fans, it provides a consistent aesthetic and functional solution for roof installations. When used in mechanical ventilation systems, any resulting airflow losses should be conside ...
Helios Fans HDH 450
The Helios HDH 450 is a horizontal roof ventilation cowl specifically designed to shield convection outlets and supply air openings on rooftops. It features the same construction style as the RD series horizontal roof fans, ensuring visual and functional compatibility. When integrated into mechanical ventilation systems, any associated airflow losses shou ...
Helios Fans HDH 500
The Helios HDH 500 is a robust horizontal roof ventilation cowl, intended to protect convection vents and supply air outlets on building rooftops. It is constructed in the same design style as the RD series horizontal roof fans, ensuring consistent system integration. When used in mechanical ventilation systems, the impact on airflow performance should be ...
Helios Fans HDH 560
The Helios HDH 560 is a horizontal roof ventilation cowl designed for shielding convection vents and supply air openings on rooftops. Built to match the design of Helios RD horizontal roof fans, it ensures seamless integration into existing ventilation setups. When applied in mechanical ventilation systems, potential flow losses should be considered, as i ...
Helios Fans HDH 630
The Helios HDH 630 is a horizontal roof ventilation hood designed to provide weather protection for convection vents and supply air openings installed on rooftops. Its construction aligns with the RD series horizontal outlet roof fans, ensuring optimal compatibility. When used within mechanical ventilation systems, users should account for the associated ...
Helios Fans HDH 710
The Helios HDH 710 roof ventilation cowl provides effective coverage for convection and supply air outlets on rooftops. Constructed to match the design of Helios RD horizontal outlet roof fans, it ensures seamless integration. When implemented in mechanical ventilation setups, the resulting airflow losses should be considered as indicated in the correspon ...
Helios Fans HQD 250/2
Square plate high efficiency axial fan with inlet cone, directly driven. Square mounting plate with drawn bell mouth inlet and duct in galvanised sheet-steel and finished with two coats of paint. Highly efficient, profiled blade impeller from polymers, aerodynamically optimised to the application, dynamically balanced. Suitable for ‑30 °C to ...
Helios Fans HQD 250/2 Ex
The Helios HQD 250/2 Ex is a square plate axial fan designed for high efficiency and certified explosion protection in accordance with ATEX standards. It features a directly driven design and is constructed from galvanized sheet steel with a square mounting plate and integrated inlet cone for optimized airflow. Equipped with a precision-engineered, ...
Helios Fans HQD 250/4
The Helios HQD 250/4 is a high-efficiency axial fan designed with a square mounting plate and inlet cone for optimal airflow performance. It features a direct drive configuration and is constructed from galvanized sheet steel, finished with two protective coats of paint for enhanced durability. The fan includes an aerodynamically optimized impeller ...
Helios Fans HQD 250/4 Ex
The Helios HQD 250/4 Ex is a high-efficiency axial fan built for use in hazardous environments, featuring ATEX-certified explosion-proof construction. This model includes a square mounting plate with an integrated inlet cone, all made from robust galvanized sheet steel. At the core of the unit is a 7‑blade impeller made from impact-resistant, anti- ...