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Reinforced concrete products
Main ventilation air ducts for buildings up to 25-storey high
| Trunk ventilation units | Ventilation units for structures up to 10 floors high
General-purpose ventilation air ducts are designated for the arrangement of ventilation systems in residential buildings not higher than 25 stories. ВБ-3 ventilation air ducts are designated for the arrangement of ventilation systems in bathroom units, and ВБ-4 ventilation air ducts are designated for the arrangement of ventilation systems in kitchens. Ventilation air ducts have a three-direction indent, that is, they support all-purpose linking options.
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Production capacities of the enterprise provide for the manufacture of transit main ventilation air ducts with 910 x 300-mm and 910 х 400-mm cross-section and a variable length for the height of the floor of 2.7, 3.0 and 3.3 meters. At the request of the customer, they can be made with special embedded parts at the ends of the product, which significantly simplifies the method of installation of structures. Advantages
Advantages
| Product name | Drawing | Sizes / mm | Concrete class | Concrete volume / m3 | Product weight / kg | ||
|---|---|---|---|---|---|---|---|
| L | B | H | |||||
| ВБ-3-33-0 | Рис. 1 | 910 | 300 | 3280 | В15 | 0,41 | 1025 |
| ВБ-3-33-1 | Рис. 2 | 910 | 300 | 3280 | В15 | 0,41 | 1025 |
| ВБ-3-33-2 | Рис. 2 | 910 | 300 | 3280 | В15 | 0,41 | 1025 |
| ВБ-3-30-0 | Рис. 1 | 910 | 300 | 2980 | В15 | 0,38 | 950 |
| ВБ-3-30-1 | Рис. 2 | 910 | 300 | 2980 | В15 | 0,38 | 950 |
| ВБ-3-30-2 | Рис. 2 | 910 | 300 | 2980 | В15 | 0,38 | 950 |
| ВБ-3-28-0 | Рис. 1 | 910 | 300 | 2780 | В15 | 0,35 | 875 |
| ВБ-3-28-1 | Рис. 2 | 910 | 300 | 2780 | В15 | 0,35 | 875 |
| ВБ-3-28-2 | Рис. 2 | 910 | 300 | 2780 | В15 | 0,35 | 875 |
| ВБ-4-33-0 | Рис. 1 | 910 | 400 | 3280 | В15 | 0,48 | 1200 |
| ВБ-4-33-1 | Рис. 2 | 910 | 400 | 3280 | В15 | 0,48 | 1200 |
| ВБ-4-33-2 | Рис. 2 | 910 | 400 | 3280 | В15 | 0,48 | 1200 |
| ВБ-4-30-0 | Рис. 1 | 910 | 400 | 2980 | В15 | 0,43 | 1075 |
| ВБ-4-30-1 | Рис. 2 | 910 | 400 | 2980 | В15 | 0,43 | 1075 |
| ВБ-4-30-2 | Рис. 2 | 910 | 400 | 2980 | В15 | 0,43 | 1075 |
| ВБ-4-28-0 | Рис. 1 | 910 | 400 | 2780 | В15 | 0,36 | 900 |
| ВБ-4-28-1 | Рис. 2 | 910 | 400 | 2780 | В15 | 0,36 | 900 |
| ВБ-4-28-2 | Рис. 2 | 910 | 400 | 2780 | В15 | 0,36 | 900 |
