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Products
Helios (1689)
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Helios Fans RVE 80
The Helios Fans RVE 80 is a compact ventilation valve designed for quick and easy retrofitting into existing Ø80mm ductwork. It features a durable plastic ring with a secure all-round double lip seal, ensuring an airtight fit within the duct. A tight-fitting rubber membrane opens automatically under negative or positive pressure, allowing efficient airflo ...
Helios Fans RVK 200
The Helios Fans RVK 200 is a robust louvre cover designed to effectively seal and protect supply and extract air openings. Engineered for use with reversible fans, this cover features tight-closing, spring-loaded flaps that respond efficiently to airflow direction. Constructed from impact-resistant plastic in light grey, the unit offers lasting durability ...
Helios Fans RVK 250
The Helios Fans RVK 250 is a reliable louvre cover designed to close off air intake and outtake openings in ducted ventilation systems. Engineered for compatibility with reversible fans, it ensures tight air sealing through a spring-loaded mechanism that automatically opens and closes based on airflow. Constructed from UV-stable, impact-resistant polymer ...
Helios Fans RVK 315
The Helios Fans RVK 315 is a durable and efficient louvre cover designed for sealing both air intake and exhaust openings. It is perfectly suited for systems using reversible fans, providing automatic operation via a built-in spring mechanism that ensures tight closure when not in use. Made from UV-resistant, impact-resistant polymer in a light grey finis ...
Helios Fans RVK 355
The Helios Fans RVK 355 is a tightly sealing cover for both supply and extract air openings, designed especially for use with reversible fans. It features a spring-loaded mechanism for reliable automatic closure, preventing unwanted airflow when the fan is not operating. Constructed from high-strength, impact-resistant plastic in a light grey finish, the ...
Helios Fans RVK 400
The Helios Fans RVK 400 is a robust ventilation shutter designed to close off air intake and extract openings efficiently. Its tight-sealing, spring-loaded mechanism ensures reliable closure, making it ideal for systems with reversible fans. The housing and louvres are constructed from tough, break-resistant plastic in a light grey finish, while the integ ...
Helios Fans RVK 450
The Helios RVK 450 is designed to effectively seal air intake and outtake openings, providing reliable closure for duct systems. It features a spring-loaded mechanism that ensures a tight seal and is compatible with reversible fan setups. Constructed from durable, UV-resistant impact-proof polymer in light grey, the unit also includes a corrosion-resistan ...
Helios Fans RVK 500
The Helios RVK 500 is a robust cover designed for both supply and extract air openings, offering tight, spring-loaded sealing. It is fully compatible with reversible fans and built from durable, impact-resistant light grey plastic. The integrated stainless steel spring ensures a secure closure. The number of louvres included depends on the unit’s size. Th ...
Helios Fans RVM 225/DRVM 200
The Helios RVM 225/DRVM 200 motorised damper is engineered to stop cold air from entering horizontal fan systems. It opens automatically using a motor and features a cylindrical housing made of sheet steel with mounting flanges on both ends. The unit can be directly fastened to the fan’s base plate, with pre-drilled holes compliant with DIN 24155, page 2. ...
Helios Fans RVM 250
The Helios RVM 250 motorised damper is designed to block cold air from entering horizontal fans. It operates via an integrated motor and features a cylindrical housing made from sheet steel, with flanges on both sides for easy installation. The unit can be directly mounted onto the fan’s base plate, with flange holes matching the DIN 24155, page 2 standar ...