NADI Industrial Fans Pvt. Ltd. Has been producing a wide range of High Quality Industrial Fans. NADI Industrial Fans Pvt. Ltd offers Double Inlet [NOL] Impellers with high volume, high efficiency impeller. These are the rotating parts of the axial/centrifugal fans. Based on the application these Impellers are categorized for clean air/dusty air/material handling/fibrous material. Designing the impellers determines the technical parameters required by the customer.