Application: fire control system Volume Range:2,270-80,000m3/h Static Pressure Range: 500-1,500pa Axial-flow type ventilator, assembled with high-temperature resistance motor and motor cooling system. Compared with HTFC centrifugal blower, it is affordable and suitable for the places where do not demand low noise and special outlet angle. Structure: ? Wheel hubs and blades are molded by hydraulic tensioning ? Full welding connection ? Flanges of the cylinder are made of spinning flanging process. Production Feature: 1, High effiency 2, Energy saving 3, Low noise