- Low Pressure Radial Fan - Directly Coupled Motor. - Backward-Curved (BC) Blade Fans. - Revolvable Fan Case. - On Demand, Special Stainless Steel Manufacturing Is Available - Air Flowrate : 3.500 - 54.500 m³/h (Min. - Max.) - Pressure (Pt) : 40 - 265 mmss (Min. - Max.)