Product Characteristics Model:9-19,9-26 Flow:824-123090m3/h Pressure:3253-16250Pa Rotation speed:960-2900r/min Power:2.2-850KW Transmission Way:A type(4~6.3)and D type(7.1~16) The 9-19 centrifugal fan belongs to single suction,could be made two kinds as  right-handed and left-handed.Front view is taken from the end of motor,if the impeller turns clockwise,it is called right-handed ventilator,expressed by "Right";if it turns counterclock wise,called left-handed ventilator,expressed by "Left". The air outlet position is expressed by the air outlet of shell."Clockwise"and "anticlockwise" could be made into totally six angles such as 0°,45°,90°,135°,180°,225°.