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Helios Fans RVM 280
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 ...
Helios Fans RVM 315
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 ...
Helios Fans RVM 355
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 ...
Helios Fans RVM 400
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 ...
Helios Fans RVM 450
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 ...
Helios Fans RVM 500
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 ...
Helios Fans RVM 560
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 ...
Helios Fans RVM 630
The Helios RVM 630 motorised damper is designed to prevent the backflow of cold air into horizontal fan systems. It features a cylindrical housing made from sheet steel with flanges on both ends, enabling direct attachment to the fan base plate. The flange bore holes comply with DIN 24155, page 2 specifications. The damper is fitted with aluminium flaps f ...
Helios Fans RVM 710
The Helios RVM 710 is a motorised damper built to stop cold air from entering horizontal fan setups. It features a cylindrical housing constructed from sheet steel, with flanges on both sides for direct mounting to the fan base plate. The flange holes follow DIN 24155, page 2 standards, ensuring compatibility. Aluminium flaps provide effective airflow reg ...
Helios Fans RVS 225 / DRVS 200
Back Draught Damper, for preventing of cold air falling into a horizontal fan. Opens with help of a motor. Cylinder form sheet steel housing with flanges fitted on both sides. Can be directly screwed onto the fan base plate. Bore holes in accordance to DIN 24155, page 2. Noiseless operation through a polymer puffer connection.