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YWF.B2S-250-085AB20
Product description:

AC external rotor motor powered backward-curved centrifugal fan series covers a diameter range from φ133 to φ560 mm, with maximum air volume up to 8,500 m3/h and maximum static pressure up to 650 Pa. This external rotor fan series has a compact structure, operates reliably and is both energy saving and efficient. It is designed with low noise, a long service life, and is easy to install.After years of independent research and development, we now have available high performance, and low noise level, one-piece injected plastic impellers, with a diameter range from φ133 to φ250 mm. 

Data Sheet
Detailed Parameters
Model No. & Category
Model No. YWF.B2S-250-085AB20
Product Types AC Backward-curved Centrifugal Fans
Basic Parameters
Voltage Input Single-phase AC
Voltage(V) 220V/230V
Power(W) 175
Speed(RPM) 2570
Diameter Φ(mm) 250
Air Flow(m³/h) 1550
Frequency(Hz) 50
Current(A) 0.71
Capacitor(μF) 7
Noise(dB) 78
Ambient Temperature(℃) -30℃/+60℃
Product Information
Blades Material Galvanized Steel Sheet
Rotor Material Aluminum Die-casting
Ingress Protection Rating IP44
Insulation Class F
Store Temperature -40℃/+80℃
Approvals CCC, CE
Performance Parameters
P-Q Curve(s)
Performance Values

Drawings