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Products
(1953)
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Helios Fans HRFD 355÷8÷4
The Helios HRFD 355÷8÷4 is a powerful and reliable cased axial fan designed for industrial and commercial ducted ventilation systems requiring dual-speed functionality. This model features a robust direct drive mechanism with a Dahlander wound motor for efficient 2‑speed operation. Its cylindrical housing is fabricated from galvanised sheet steel, ...
Helios Fans HRFD 400÷2÷2
The Helios HRFD 400÷2÷2 is a high-performance cased axial fan engineered for demanding ventilation systems where dual-speed operation and robust construction are essential. This fan features a direct drive configuration and a star/delta switchable 3‑phase motor for efficient two-speed control. Constructed with a cylindrical housing made from durabl ...
Helios Fans HRFD 400/4
The Helios HRFD 400/4 is a high-efficiency axial fan designed for direct installation in duct systems where reliable airflow and durable performance are required. Featuring a direct drive design and 3‑phase motor, this fan ensures optimal ventilation across various industrial and commercial environments. Its cylindrical casing is constructed from g ...
Helios Fans HRFD 400/4 Ex
The Helios HRFD 400/4 Ex is a high-performance explosion proof axial fan engineered for use in hazardous environments where ATEX compliance is essential. This duct-mounted fan is directly driven and equipped with flanges on both ends for seamless integration into industrial ventilation systems. Its cylindrical housing is made from durable galvanise ...
Helios Fans HRFD 400÷4÷2
The Helios HRFD 400÷4÷2 is a robust and efficient axial fan designed for direct drive applications with flanged cylindrical ducts on both ends. Constructed from galvanised sheet steel, the duct housing encloses a highly efficient, aerodynamically optimized impeller made from durable polymer materials. This impeller features profiled blades and is d ...
Helios Fans HRFD 400÷4÷4
The Helios HRFD 400÷4÷4 is a high-performance axial fan designed for direct-drive operation with cylindrical galvanised steel ducts and flanges on both ends. The duct housing conforms to DIN 24155 standards with flange fixing holes and an accessible terminal box mounted on the outer casing. Equipped with a highly efficient, aerodynamically optimize ...
Helios Fans HRFD 400÷8÷4
The Helios HRFD 400÷8÷4 is a high-efficiency axial fan featuring a directly driven motor housed within a galvanised cylindrical steel duct with flanges on both ends, designed in compliance with DIN 24155 standards. The duct includes flange fixing holes and a terminal box mounted on the outer casing for easy installation and maintenance. This model ...
Helios Fans HRFD 450÷2÷2
The Helios HRFD 450÷2÷2 is a high-performance axial fan designed for low-pressure ventilation applications. It features a robust cylindrical duct made from galvanised sheet steel, fitted with flanges on both ends for secure mounting. The duct complies with DIN 24155 standards, including appropriate flange fixing holes, and incorporates a terminal box moun ...
Helios Fans HRFD 450/4
The Helios HRFD 450/4 is a high-performance axial fan engineered for efficient low-pressure ventilation. It features a sturdy cylindrical duct made from galvanised sheet steel, equipped with flanges on both ends to ensure secure and standard-compliant installation per DIN 24155, including flange fixing holes. The terminal box is conveniently located on th ...
Helios Fans HRFD 450/4 Ex
The Helios HRFD 450/4 Ex is a robust explosion-proof axial fan designed specifically for hazardous areas, certified according to ATEX standards. It incorporates a cylindrical duct constructed from galvanised sheet steel, fitted with flanges on both ends that conform to DIN 24155 dimensions and flange fixing hole standards. The terminal box is mounted exte ...