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Qingzhou Yongsheng Machinery Co.,Ltd is one of the professional China 1000mm hammer exhaust fan manufacturers and suppliers,Website:http://www.qzys-exhaustfan.com, welcome to wholesale low price 40 inch hammer exhaust fan from our factory.?Hammer Fan FJ900Fan size1000mm?1000mm?400mmFrameHot galvanized sheet, high anti-corrosive durabilityMotorSiemens motor, Other motor accordingly, CE certificateMotor technical data0.75 Kw ? ? 380 V ? ? 50 Hz ? three phaseMotor RPM1400r/minNoise??0dbBlade diameter峖900mmBlade No6Blade materialMirror face stainless steel, avoid dust accumulationBlade RPM600r/minBlade instructionBalance test after assembled which can assure steady running and even airflow.ShutterHammer supporting system, shutter can be opened at 90 degree.beltMitsubishi beltHousingGalvanizedAirflow25000??h