Roof hood Dimensions lindab | roof hoods HF ' p t [Pa] 400 H 500 630 1250 1000 800 Ød ØD Description Ventilation hood for air exit above roof, suitable for both industrial and comfort ventilation. The air is ejected in an upwards-directed jet. This avoids contaminating the air in the vicinity of the hood, and soiling of the area around the hood. The ejection is so effective that you can install a fresh air inlet in the immediate vicinity of the hood, without any special precautions. NOTE! When fans are not running there is always a risk for drifting snow and damp to penetrate into ducts. At some occasions also condensation can cause trouble. The hood is made of galvanised sheet steel, and can also be supplied in other materials such as stainless steel sheet 1.4301, stainless acid-resistant steel sheet 1.4404, aluzinc AZ185 and painted in various colours, to special order. It has a net over the opening and an internal rain funnel to col- lect rainwater and snow, which is drained out of the hood through a hose. The hose can withstand temperatures of between -45 and +65 °C. To avoid damage to the net in the opening the hood is sup- plied with transport protection. This must be removed before the hood is taken into service. The hood is delivered with lifting and anchoring loops. A sin- gle wire-loop shall not be exposed for forces exceeding 1500 N. The hood is delivered with a flange connection and an opposing flange with matching properties to be used when installing the hood. Note that other products may have other flanges with other properties and may not fit. Always specify the flanch properties properly if the hood should fit a flange other than the supplied opposing flange. Ordering example Product Dimension Ød HF 630 Ød nom 400 500 630 800 1000 1250 ØD [mm] 685 855 1075 1360 1600 2020 H [mm] 905 1055 1295 1640 2110 2615 m [kg] 11,1 20,0 38,0 63,0 89,1 118 Roof through con- nection TGR 50 [mm] 100 [mm] Size 5 6 6 7 8 9 9 10 11 12 14 15 Technical data L WA [dB] 1000 500 Ød [mm] 90 80 70 100 60 50 50 10 30 50 40 100 500 1000 500 q 1000 5000 5000 10000 10000 [l/s] [m 3 /h] Lindab reserves the right to make changes without prior notice 1 2022-09-19
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