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Products
(3386)
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Helios Fans SRSD 355/600
The Helios Fans SRSD 355/600 is a highly effective silencer designed to reduce noise within circular duct ventilation systems. Positioned between the fan and the ventilated space, it ensures quieter operation by dampening sound levels in the ductwork. This silencer is supplied with fitted spigots for fast and simple installation into existing round ...
Helios Fans SRSD 400/600
The Helios Fans SRSD 400/600 is a reliable and efficient silencer designed to minimize noise in circular duct ventilation systems. Ideal for installation between the fan and the ventilated area, this unit effectively dampens sound without impeding airflow. Equipped with integrated spigots, it allows for quick and easy installation into standard cir ...
Helios Fans SRSD 400/900
The Helios Fans SRSD 400/900 is a high-capacity circular duct silencer designed to provide effective noise reduction in ventilation systems. Positioned between the fan and the ventilated space, this unit significantly decreases sound transmission without restricting airflow. Built with convenient spigots, it fits easily into standard 400 mm ducting ...
Helios Fans SSD 180
The Helios SSD 180 is engineered for effective noise reduction on the suction side of ventilation systems. It provides an average sound attenuation of 15 dB, helping to minimize operational noise. The unit’s metal components are crafted from durable galvanized sheet steel, ensuring long-lasting performance. Designed for flat roof installation, the ...
Helios Fans SSD 200/225
The Helios SSD 200/225 is a soundproofing backdrop designed to effectively reduce noise on the suction side of ventilation systems, offering an average attenuation of 15 dB. Constructed from galvanized sheet steel, all metal parts provide durability and resistance to environmental factors. Ideal for flat roof installation, this soundproofing soluti ...
Helios Fans SSD 250/315
The Helios SSD 250/315 is designed for inlet-side sound insulation, offering an average noise reduction of 15 dB to improve acoustic comfort in ventilation systems. Constructed entirely from durable galvanized sheet steel, this unit is suitable for mounting on flat roofs. A key feature is the folding hinge, which allows the fan to be easily folded ...
Helios Fans SSD 355
The Helios SSD 355 is engineered for effective noise reduction on the suction side of ventilation systems, providing an average sound attenuation of 15 dB. The entire unit is constructed from galvanized sheet steel for robust durability and resistance to environmental factors. This soundproofing unit is designed for flat roof installation, equipped ...
Helios Fans SSD 400
The Helios SSD 400 is designed to reduce noise on the suction side of ventilation systems, delivering an average sound attenuation of 15 dB. Constructed entirely from galvanized sheet steel, it ensures durability and corrosion resistance in outdoor conditions. This soundproofing solution is intended for installation on flat roofs and includes insul ...
Helios Fans SSD 450
The Helios SSD 450 is designed for inlet-side sound insulation, offering an average sound attenuation of 15 dB to reduce noise levels efficiently. Constructed from durable galvanized sheet steel, it is suitable for outdoor installation on flat roofs. A practical folding hinge allows the fan unit to be folded down, providing convenient access for in ...
Helios Fans SSD 500÷560÷630
The Helios SSD series models 500, 560, and 630 are designed for suction side sound attenuation, delivering an average noise reduction of 15 dB to minimize operational sound levels. All metal components are constructed from durable galvanized sheet steel, ensuring long-lasting resistance to corrosion. These units are engineered for installation on f ...