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Products
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Helios Fans VK 60/30
The Helios VK 60/30 overpressure shutter features a flat design that automatically opens when the ventilation fan is switched on and closes upon fan shutdown, preventing unwanted reverse airflow. It is designed to operate effectively at flow velocities of up to 8 m/s. The number of louvres varies according to the shutter size to ensure optimal airf ...
Helios Fans VK 60/35
The Helios VK 60/35 overpressure shutter is designed with a flat profile that automatically opens when the fan is activated and closes when the fan is turned off, helping to prevent reverse airflow. It is suitable for operation with airflow velocities up to a maximum of 8 m/s. The number of louvres varies depending on the size of the shutter, ensur ...
Helios Fans VK 630
The Helios VK 630 overpressure shutter features a flat design that automatically opens when the connected fan is running and closes when the fan is switched off. It is designed to handle airflow velocities up to a maximum of 8 m/s. The number of louvres adjusts according to the shutter size, optimizing airflow while providing effective protection a ...
Helios Fans VK 70/40
The Helios VK 70/40 overpressure shutter features a flat design that automatically opens when the fan is operating and closes when the fan is turned off. It is suitable for use with airflow velocities up to a maximum of 8 m/s. The number of louvres varies according to the shutter size, allowing optimized airflow and reliable protection against backdrafts ...
Helios Fans VK 710
The Helios VK 710 is a compact overpressure shutter designed to control airflow in ventilation systems. With a flat, space-saving design, it features automatic opening and closing of louvres that activate in response to the fan’s operation — opening when the fan is switched on and closing when it turns off. This automation ensures efficient airflow manageme ...
Helios Fans VK 80/50
The Helios VK 80/50 is a compact overpressure shutter designed for controlled ventilation and efficient airflow regulation. With its flat, low-profile design, it integrates seamlessly into duct and fan systems. The louvres automatically open when the fan is in operation and close when it’s switched off, ensuring airflow is only permitted when needed and m ...
Helios Fans VKH 100÷15−100
The Helios VKH 100÷15−100 is a precision-engineered volume flow regulator designed for consistent airflow in ventilation systems. Made with a durable plastic housing, it fits seamlessly into round ventilation ducts and fittings, supporting both horizontal and vertical installation. Its integrated rubber sealing ring ensures airtight mounting and minimizes ...
Helios Fans VKH 100÷15−50
The Helios VKH 100÷15−50 is a compact and efficient constant volume flow regulator designed for stable airflow in ventilation duct systems. Constructed from durable polymer material, it features a built-in rubber sealing ring to provide a secure, airtight fit when inserted into ductwork or duct fittings. Suitable for both vertical and horizontal in ...
Helios Fans VKH 125÷100−180
The Helios VKH 125÷100−180 is a high-performance constant volume flow regulator, designed for seamless integration into ventilation ducts and fittings. Made from robust plastic and equipped with a rubber sealing ring, it ensures a secure fit and airtight seal. Engineered for both vertical and horizontal installation, this unit regulates the cross‑s ...
Helios Fans VKH 125÷15−100
The Helios VKH 125÷15−100 is a compact constant airflow regulator designed for direct insertion into ventilation pipes and duct fittings. Constructed from durable plastic with an integrated rubber sealing ring, it guarantees an airtight and stable fit. Suitable for both vertical and horizontal installations, this regulator maintains a consistent ai ...