C4-73 type centrifugal fan mainly by the impeller, housing, air inlet, rack transmission parts and electrical components. Impeller in part by the 12 backward wing-shaped blades, curved front plate and the plate after plate components. Blades, front disc, rear disc are 16 manganese steel manufacturing, the entire impeller dynamic and static balance correction, air good performance, high efficiency and smooth operation. Do the whole housing, impeller installation and removal carried out by the side of the cabinet. Inlet made whole, mounted on the fan side, parallel to the axis of the cross-section shape of the curve, the gas can smoothly enter the impeller, and the loss is small. Transmission parts from the spindle, bearing housing, bearings, pulleys components. Purpose: C4-73 type centrifugal fan for the carriage containing dust, wood chips, fine fiber and other gas appliances, but also as a general fan (such as import must be added before the fan when the carriage of hard particles and dust removal device) . Specifications: C4-73 type centrifugal fan specifications: №3.6C, 4.5C, 5.5C total of three kinds of specifications.