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The Helios HSD 315÷4÷2 axial fan offers high efficiency with a robust cylindrical duct casing made of galvanised sheet steel, reinforced by two swaged stiffening rings for added strength. The grille is crafted from impact-resistant polymers for long-lasting durability. Equipped with a highly efficient 7‑blade impeller manufactured from impact-resis ...
The Helios HSD 315÷8÷4 is a high-efficiency axial fan designed with a sturdy cylindrical duct casing made from galvanised sheet steel, reinforced with two swaged stiffening rings for enhanced structural integrity. The grille is constructed from impact-resistant polymers, ensuring durability in demanding environments. This fan features a highly effi ...
The Helios HSDV 315 is a roof fan attenuator specifically designed for use with roof smoke exhaust fans rated for temperature classes F400 and F600. Constructed from premium aluminium, this attenuator features a robust and weatherproof design with four mounting profiles made of powder-coated sheet steel in RAL 7015, providing corrosion protection class C2 ...
The Helios HSDV 355 is engineered to provide effective discharge-side sound insulation for roof fans in the VD series. Constructed from seawater-resistant aluminium, this robust attenuator fully encloses the roof fan, delivering an average noise attenuation value of 8 dB. Its design allows for simple retrofitting, enabling installation without any ...
The Helios HSDV 400 is designed to reduce noise on the pressure side of roof fans in the VD series. Made from seawater-resistant aluminium, this sound attenuator provides an average noise reduction of 8 dB. It is designed for easy installation directly onto the roof fan and can be retrofitted without requiring any structural modifications, ensuring improv ...
The Helios HSDV 450 offers effective noise reduction on the pressure side of VD series roof fans. Constructed from seawater-resistant aluminium, this sound attenuator achieves an average noise attenuation of 8 dB. It is designed for straightforward installation onto existing roof fans and can be retrofitted without any structural alterations, combining du ...
The Helios HSDV 500 is designed to reduce noise on the pressure side of VD series roof fans. Made from seawater-resistant aluminium, this sound attenuator delivers an average noise reduction of 8 dB. It is engineered for simple mounting on existing roof fans and can be retrofitted without requiring any structural modifications, ensuring durable and effect ...
The Helios HSDV 560 provides effective noise reduction on the pressure side of VD series roof fans. Constructed from seawater-resistant aluminium, this attenuator achieves an average noise attenuation of 8 dB. It can be easily mounted onto existing roof fans and retrofitted without any structural modifications, ensuring durable performance and improved so ...
The Helios HSDV 630 attenuator is engineered to reduce noise on the pressure side of VD series roof fans. Made from durable seawater-resistant aluminium, it delivers an average noise reduction of 8 dB. The unit can be easily installed on existing roof fans and retrofitted without the need for structural alterations, providing reliable noise control and pr ...
The Helios HSW 200/2 is a high-quality axial fan engineered to provide effective ventilation for industrial and commercial spaces. With a 200mm impeller diameter, this fan delivers consistent airflow and reliable performance. Built for durability and long-lasting operation, the HSW 200/2 is ideal for factories, workshops, and commercial buildings w ...
The Helios HSW 200/4 is a robust axial fan designed for reliable and efficient ventilation in industrial and commercial settings. Featuring a 200mm impeller diameter, this fan provides strong airflow to meet demanding ventilation requirements. Engineered for durability and long-term performance, the HSW 200/4 is ideal for factories, workshops, and ...
The Helios HSW 250/2 is a powerful axial fan engineered to provide effective ventilation for industrial and commercial spaces. Featuring a 250mm impeller diameter, this fan ensures consistent airflow and dependable performance. Built for durability and long-lasting operation, the HSW 250/2 is ideal for factories, workshops, and commercial buildings ...
The Helios HSW 250/4 is a durable and efficient axial fan specifically designed for ventilation in industrial and commercial spaces. With a 250mm impeller diameter, this model ensures strong, steady airflow to support a wide range of air movement needs. Ideal for use in factories, workshops, and other large facilities, the HSW 250/4 improves indoor ...
The Helios HSW 250/6 is a high-efficiency low-speed axial fan with a 250mm impeller, ideal for ventilation in commercial and industrial environments where quieter operation is preferred. Despite its lower speed, it delivers consistent and reliable airflow to maintain optimal indoor air quality. Built with durable components, the HSW 250/6 is perfec ...
The Helios HSW 315/4 is a robust axial fan with a 315mm impeller diameter, designed to deliver powerful and efficient ventilation in both industrial and commercial settings. It ensures high airflow performance, making it suitable for environments that demand effective air circulation. Constructed for reliability and long service life, the HSW 315/4 ...
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