2024 Author: Howard Calhoun | [email protected]. Last modified: 2023-12-17 10:16
The use of devices such as ventilation deflectors is now becoming more common. They are important in modern households. These devices are special nozzles for increasing traction by using wind energy inside the ventilation system. At the same time, they protect the equipment from atmospheric precipitation and wind pressure, as well as from dust, leaves and other contaminants entering the system. Also, in places where it would be necessary to create traction mechanically, it will be enough to install a ventilation pipe deflector.
Product installation
This device is installed at the outlet of the ventilation shaft at a distance of 1.52–2.5 m from the height of the building's ridge. It must comply with design calculations and drawings. There are also cases when it is possible to install the specifieddevices for a vertical riser or channel.
To date, many different forms and designs of this aerodynamic device have been developed. The most widespread are two types:
- TsAGI ventilation deflectors. They are located inside the exhaust shafts. They allow the best use of the energy of heat and wind to create a zone of reduced pressure inside the cylindrical shell, which creates the conditions for the functioning of the exhaust system.
- Roof deflectors. These devices are located on the roof of the building at the outlet of the duct in order to remove polluted air.
The connection of these aerodynamic devices can be both shroud and rack. The choice depends on the exhaust shaft and the installation location of the equipment. This is important in this case. Ventilation deflectors are selected for a specific exhaust system on the basis of special calculations, with the help of which the type of the specified device, the place of its installation, as well as its dimensions and appearance are determined. These calculations can be carried out independently, having certain skills, but it would be better to use the help of professionals in this matter, since the rotational ventilation deflector cannot be installed without preliminary calculations performed by a specialist. After all, the operation of the equipment may have the following features: or the process will be too productive, which is not very good, especially for residential buildings; Or else it will be ineffectivecreating only an obstacle in the exhaust system.
Product material
Ventilation baffles are made of cold rolled or galvanized steel. To prevent corrosion damage and extend the life of the equipment, metal is coated with paints and varnishes. It can be a special enamel, primer, powder coating.
The connection can be flanged or nipple. With timely and high-quality maintenance (cleaning from dirt and dust, updating the coating), these products can serve for decades.
Jack Specifications
The main indicators characterizing the ventilation deflectors are:
- diameter size;
- connection execution (nipple, flange);
- wall thickness and height.
All sizes are calculated according to regulatory documents (GOST, SNiP). For these calculations, the characteristic of the installation site (private or multi-apartment buildings, shopping centers, sports halls) and operational characteristics (protection of exhaust equipment from atmospheric precipitation) are used.
Tip
In order to more accurately select a high-quality deflector, you should involve a specialist who will make the correct calculations based on the installation location, weather conditions, wind load, as well as the necessarydesigns.
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