Product Name: Stainless Steel 300mm/500mm/600mm/880mm Rooftop Turbine Air Vents Roof Ventilation Fans Model NO.: 880 Certification: ISO, CE, CCC Mounting: Roof Fan Electric Current Type: AC Type: Axial Fan Blade Material: Stainless Steel Material: Aluminum Fan Ball Dia: 880mm Throat Dia: 680mm Bearing: NSK Bearing or Ubc Bearing Weight: 21.8kgs Usage: Ventilation Trademark: TG Transport Package: Standard Export Carton Specification: 500mm Origin: China HS Code: 84145930 Product Description Stainless Steel 300MM/500MM/600MM/880MM Rooftop Turbine Air Vents Roof Ventilation FansExperienced StaffGreen ProductCompetive PriceQuality ApprovalsReputation and ServiceNo-power Roof Turbine Ventilator is to make use of the air free convection that natural wind power and the interior outside temperature difference bring about, the effect driving aturbine to rotate making use of centrifugal force and negative pressure thereby discharge the interior stale hot-airIt makes the fresh air flow in, thus the purpose of cleaning air can be reachedRaw materials:Ventilations are made of the stainless steelAdvanced totally enclosed bearingsOperating theory:Arc blades can gain the optimal exhaust effect which are calculated scientificly, ensuring the rainwater can't enter during the workThe central axis is with fine steps,and the blades can never be deformed in high-speed operation, thus greatly enhancing the service lifeThe design of variable angle neck tube can make the ventilation installed in the slope of 0to 22.5 angle, and the installation is very simple, generally only need 30 minutesTurbine Blades can normally operate for 15 yearsFeatures:High efficient venting functionUnique variable angle tube neckSpecial diversion vane of beveled fannerEasy to installExcellent energy-saving effectApplications: power plants, chemical plants, pharmaceutical factories, food processing plants, metallurgy, rubber, warehouses, and advanced civil buildings15 YEARS QUALITY WARRANTY !!!!!!!!!!!!!!!!!!
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