Winflow offers several modern and stylish cooker hoods for different applications.
The W-models of the WinHood cooker hood series and the integrated C1 models are primarily designed for common duct exhaust systems in apartment buildings. The domes also work in apartment-specific ventilation systems; in mechanical or gravity systems.
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The WF-BTZ-2 fire damper valve is intended for compartmentalizing vertical and horizontal structures, acting as both a supply and exhaust valve. The closing temperature is 72 C.
The WF-BTZ-2 also acts as a smoke suppressor in sizes D100 and D125.
The valve is mounted in the included separate mounting frame.
There are sizes D100, D125, D160 and D200. Color RAL9010.
WF-BTZ-2 as a fire damper valve
The valve has been fire tested in accordance with EN 1366-2. Sizes D100-D200.
The fire classification of the product in accordance with EN 13501-3 is EI 90 S / EI 120 S, depending on the installation method.
WF-BTZ-2 + frame KKS classifications by structure:
| Wall, min 100 mm: | Concrete | EI 90 S |
| Wall, min 115 mm: | Brick/masonry | EI 90 S |
| Katto, min 100 mm: | Concrete | EI 90 S |
| Wall, plasterboard partition | according to the structure / thickness of the wall and the installation method of the valve | EI 30 S – EI 120 S |
The valve is CE marked in accordance with EN 15650.
WF-BTZ-2 as a smoke suppressor
The WF-BTZ-2 has been tested as a smoke suppressor for use in Finland.
Covers sizes D100-D125.
Eurofins opinion EUFI29-24000081-T3
The controller MC1 is intended for adjusting the rotations of duct fans and roof fans as well as similar applications.
It has a very ergonomically and unobtrusive control knob that can be used to infinitely adjust the power of the adjustable device. The MC1 motor controller is a recessed model and is available in colors – white, dark grey and aluminium.
- Rated voltage: 230 VAC ± 10%
- Operating frequency: 50 Hz
- Rated current: 0.1 – 1 A
- Protection class: IP20
Encapsulated design
The MC1 housing is an IP65-protected design of the controller that adjusts the desired constant speed of the system. After adjustment, the regulator is protected with a cover. Thanks to the protection class, the case can be placed outside or inside almost without restrictions.
For applications like radon duct systems.
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The WF-Snow Guard is intended to protect the air intakes. As the name suggests, the product protects against the transport of snow into the ventilation systems. It is also effective in preventing loose water from entering the systems.
The smallest grille to be manufactured is 500 mm wide. In terms of depth, the minimum is 300 mm, which is also the standard depth. The practical maximum height of the snow guard is 2000 mm.
When choosing the size of the snow guard, the frontal velocity should not exceed 0.6 m/s. The separation capacity of the loose water in the operating area is always over 99.5%.
Pressure drop values:
WinStil silencers are intended for all ventilation systems. In terms of sound absorption properties, the focus is on low frequencies and the pressure drop of the silencers is very low.
The standard sizes are D125-D160.
Other sizes and special solutions for damping based on the survey.
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