(6074)
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 ...
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 ...
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 ...
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 ...
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 ...
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 ...
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. ...
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 ...
The Helios RVM 280 is a motorised damper specifically designed to prevent the backflow of cold air into horizontal fan systems. It features a cylindrical housing made of sheet steel with flanges on both ends, allowing it to be securely mounted directly to the fan base plate. The pre-drilled flange holes comply with DIN 24155, page 2 standards. The damper ...
The Helios RVM 315 is a motor-operated damper intended to prevent cold air from backflowing into horizontal fan systems. It features a cylindrical housing made of sheet steel with flanges on both sides, allowing for direct mounting to the fan base plate. The flange holes are aligned with DIN 24155, page 2 specifications. The damper uses aluminium flaps fo ...
The Helios RVM 355 motorised damper is designed to prevent cold air from flowing back into horizontal fans. It features a cylindrical housing made of durable sheet steel with mounting flanges on both sides, allowing it to be directly attached to the fan base plate. The flange bore holes conform to DIN 24155, page 2 standards. Equipped with aluminium flaps ...
The Helios RVM 400 is a motor-driven damper engineered to stop cold air from entering horizontal fan installations. It features a cylindrical sheet steel housing with flanges on both sides, enabling direct mounting to the fan base plate. Flange holes are drilled to match DIN 24155, page 2 specifications. The damper is equipped with lightweight aluminium f ...
The Helios RVM 450 is a motorised damper developed to prevent the reverse flow of cold air into horizontal fans. It features a cylindrical housing made from sheet steel, equipped with flanges on both ends for direct attachment to the fan base plate. The flange bore holes comply with DIN 24155, page 2 standards. Fitted with aluminium flaps for dependable a ...
The Helios RVM 500 is a motorised backdraft damper engineered to stop cold air from flowing into horizontal fans. Its cylindrical housing is made from robust sheet steel and includes flanges on both ends for secure mounting directly onto the fan base plate. The pre-drilled flange holes follow DIN 24155, page 2 specifications. The damper’s aluminium flaps ...
The Helios RVM 560 is a motor-driven damper built to prevent cold air from entering horizontal ventilation systems. It features a cylindrical sheet steel housing with flanges on both ends, allowing for direct installation onto the fan base plate. The bore holes are designed according to DIN 24155, page 2 standards. The damper uses aluminium flaps for reli ...
Note: Code can only be used once per customer. Discount codes are entered after selecting shipping method.
Same day deliveries locally & nationwide (UK mainland only). Price on request — Send message with order, or call 0161 864 1777.
