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Products
Helios (1965)
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Helios Fans RVS 250
The Helios RVS 250 is a motor-operated damper developed to prevent the backflow of cold air into horizontal fans. It features a cylindrical housing made from durable sheet steel, complete with flanges on both sides for direct mounting onto the fan base plate. The flange bore holes are designed to match DIN 24155, page 2 standards. Silent operation is ensu ...
Helios Fans RVS 280
The Helios RVS 280 is a motor-driven damper designed to block cold air from entering horizontal fan installations. Its cylindrical housing is constructed from sheet steel and includes flanges on both ends, allowing for direct attachment to the fan base plate. The bore holes are aligned with DIN 24155, page 2 standards for compatibility. The damper ensures ...
Helios Fans RVS 315
The Helios RVS 315 is a motor-operated damper built to prevent cold air from flowing back into horizontal fans. It features a cylindrical sheet steel housing with flanges on both ends, allowing for direct mounting to the fan base plate. The bore holes are positioned according to DIN 24155, page 2 standards. Quiet operation is achieved through the use of a ...
Helios Fans RVS 355
The Helios RVS 355 motorised damper is designed to prevent cold air from entering horizontal fan systems. It features a cylindrical housing constructed from sheet steel with flanges on both sides for direct mounting onto the fan base plate. The flange bore holes comply with DIN 24155, page 2 specifications. The damper ensures noiseless operation thanks to ...
Helios Fans RVS 400
The Helios RVS 400 motorised damper is engineered to stop cold air from entering horizontal fans. It features a cylindrical housing made of sheet steel, with flanges on both sides for direct installation onto the fan base plate. The flange bore holes are in accordance with DIN 24155, page 2 standards. The damper operates quietly due to a polymer buffer co ...
Helios Fans RVS 450
The Helios RVS 450 motorised damper is designed to block cold air from entering horizontal fan systems. It features a cylindrical sheet steel housing with flanges on both ends, enabling direct mounting onto the fan base plate. The flange holes conform to DIN 24155, page 2 standards. The unit ensures quiet operation through a polymer buffer connection, pro ...
Helios Fans RVS 500
The Helios RVS 500 motorised damper is designed to prevent the infiltration of cold air into horizontal fan systems. It features a cylindrical housing made from sheet steel, with flanges on both sides for easy mounting directly onto the fan base plate. The flange bore holes comply with DIN 24155, page 2 standards. Silent operation is achieved through a po ...
Helios Fans RVS 560
The Helios RVS 560 motorised damper is engineered to stop cold air from entering horizontal fan installations. It features a cylindrical housing constructed from sheet steel with flanges on both ends for direct mounting onto the fan base plate. The flange bore holes are designed to meet DIN 24155, page 2 standards. The damper ensures quiet operation throu ...
Helios Fans RVS 630
The Helios RVS 630 motorised damper is designed to block cold air from entering horizontal fan systems. It features a cylindrical housing made of sheet steel with flanges fitted on both sides for direct mounting onto the fan base plate. The flange bore holes comply with DIN 24155, page 2 specifications. The damper operates quietly thanks to a polymer buff ...
Helios Fans RVS 710
The Helios RVS 710 motorised damper is designed to prevent cold air from flowing back into horizontal fans. It features a cylindrical housing made from sheet steel with flanges on both sides for direct installation onto the fan base plate. The flange bore holes conform to DIN 24155, page 2 standards. Quiet operation is ensured through a polymer buffer con ...