Rectangular Waterproof Ventilation Covers for Effective Air Circulation on Ships

Purpose: ventilation rectangular covers used in ventilation and air conditioning systems of ships, vessels and watercraft. Types: I - steel covers with hinges on the short side; II - steel and light alloy covers with hinges on the long side. Version: 1 - with louvres (blades parallel to the long side); 2 - with louvres (blades parallel to the short side); 3 - with mesh (only for steel covers). Design features: Type I: conditional passage 150-500mm; thickness of the coamings 3mm. Method of fastening: welding. Main material: steel