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Products
(2183)
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Helios Fans RSD 280/800
The Helios Fans RSD 280/800 is a high-performance duct silencer designed to minimize sound levels in ventilation systems without compromising airflow. It features a durable galvanized sheet steel housing and is internally lined with premium-quality mineral wool for superior acoustic insulation. The inner surface facing the airflow is fitted with a protect ...
Helios Fans RSD 315/1200
The Helios Fans RSD 315/1200 is a robust duct silencer engineered to reduce noise in ventilation systems while preserving airflow efficiency. Constructed from galvanized sheet steel, it features a high-quality mineral wool lining for effective acoustic insulation. A durable fleece on the flow-facing side protects the insulation from wear and erosion. ...
Helios Fans RSD 315/400
The Helios Fans RSD 315/400 is a high-quality duct silencer designed to reduce noise in ventilation systems while maintaining efficient airflow. It features a durable galvanized sheet steel housing lined with premium mineral wool for superior acoustic insulation. The flow side includes a protective fleece to guard against abrasion and extend product life. ...
Helios Fans RSD 315/800
The Helios Fans RSD 315/800 is a duct silencer engineered to minimize noise in ventilation systems while ensuring efficient airflow. Constructed from robust galvanized sheet steel, it features a lining of high-quality mineral wool for optimal sound absorption. The flow side includes a fleece layer to protect against abrasion and enhance durability. ...
Helios Fans RSD 355/1200
The Helios Fans RSD 355/1200 is a high-quality duct silencer designed to reduce noise in ventilation systems while maintaining efficient airflow. Its sturdy housing is made from galvanized sheet steel, lined internally with premium mineral wool for excellent sound absorption. The flow side features a protective fleece to prevent abrasion and enhance longe ...
Helios Fans RSD 355/400
The Helios Fans RSD 355/400 is a compact and efficient duct silencer engineered for use in ventilation systems where noise reduction is essential. Constructed from durable galvanized sheet steel, the silencer is internally lined with high-grade mineral wool to absorb sound effectively. The airflow side is protected with an abrasion-resistant fleece for en ...
Helios Fans RSD 355/800
The Helios Fans RSD 355/800 is a high-performance duct silencer designed to minimize noise levels in ventilation and ducted air systems. Its robust housing is made from galvanized sheet steel, providing long-lasting protection and structural integrity. Internally, the silencer features premium mineral wool insulation for superior acoustic absorption, with ...
Helios Fans RSD 400/1200
The Helios Fans RSD 400/1200 is a premium duct silencer engineered for effective noise reduction in ventilation systems. It features a sturdy housing made of galvanized sheet steel and is internally lined with high-quality mineral wool to absorb sound. To prevent fiber erosion, the flow side is protected by a durable fleece covering. This model is ...
Helios Fans RSD 400/400
The Helios Fans RSD 400/400 is a high-performance duct silencer designed to reduce noise in ventilation systems with minimal airflow impact. Constructed with a galvanized sheet steel housing, the unit is lined internally with premium mineral wool for effective acoustic insulation. A protective fleece layer on the flow side prevents material abrasion, ensu ...
Helios Fans RSD 400/800
The Helios Fans RSD 400/800 is a high-efficiency duct silencer engineered to reduce airflow noise in ventilation systems while maintaining low pressure loss. Its durable housing is made of galvanized sheet steel and is internally lined with premium-grade mineral wool for optimal sound absorption. To enhance durability, the flow-side is protected with a fl ...