Our company is interested in purchasing the fan blades with the following parameters:

Fan blade A40
External diameter = 115-125 mm
Shaft diameter = 6mm
Air flow =180-200 m3/h
Nominal speed =6500 rot. / min.
Air pressure = 4-6 mmH2O
Noise level=max 50 dB
Rotation direction -Clockwise

Fan A20
External diameter = 80-85 mm
Shaft diameter = 6mm
Air flow =90-100 m3/h
Nominal speed =6500 rot. / min.
Air pressure = 4-6 mmH2O
Noise level =max 50 dB
Rotation direction -Clockwise