Elbow 90º of double wall stainless steel-Inox EI-30 A-304/304, for air extraction. Diameters from 150 to 300 mm. modular metal ventilation chimney with EI-30 fire resistance. Flange union is included in the price.
|Oi (mm)||OE (mm)||H (mm)||A (mm)||B (mm)||C (mm)|
Interior wall thickness: 0.4 mm. AISI 304. Glossy finish.
Exterior wall thickness: 0.4 mm. AISI 304. Glossy finish.
Insulation: Rockwool rigid high density (120 Kg/m3) and 25 mm thick.
Welding TIG Laser in continuous.
Working temperature, up to 900 ° C. If overpressure (up to 5000 Pa).
In continuous TIG welding.
Connection male – female union clamp.
Diameters: Ø 150 – or 300 mm.
Fire resistance rating:
-According to UNE-EN 13501-3:2005 (with fire resistant ventilation ducts)
§ EI30 (see, io ho).
-According to UNE-EN 13501-4:2007 (control of fire fume ducts)
§ EI30 (ve, ho) S500 multi.
On request, we can manufacture EI-60 and EI-120.
-Extraction of fumes in industrial kitchens campaigns.
Air conditioning/ventilation, commercial areas.
-Sectoring of fire in low-risk areas.
-Control of fire smoke.
-Extraction of chemicals.