These fans are in group of backward-inclined (BI) and backward-curved (BC) blade fans. These type fans blades lean backwards the rotation of the impeller. This fan’s performance characterized by high-efficiency, rigid construction and conformity to middle and high static pressures.

These fans are in group of backward-inclined (BI) and backward-curved (BC) blade fans. These type fans blades lean backwards the rotation of the impeller. This fan’s performance characterized by high-efficiency, large air flow, rigid construction and conformity to high static pressures.