Dongguan Fenglisheng Mechanical and Electrical Co.,Ltd. is a professional manufacturer with 8 years' experience of producing blowers,Regenerative blower,air blowers. Feature: 1) Low noise and vibration 2) Dynamic balancing minimizes vibration 3) Dust-proofed shaft seal: protects bearings from contaminated air stream and possible particle damage 4) High reliability: directly connected motor shaft-impeller provides reliable, long term performance 5) Periodic maintenance is not needed because no gears, belts, motor brushes or sliding blades 6) Space-efficient design: unique design results in substantial airflows at moderate pressures in minimum space and weight 7) Versatility: easily throttled and changed from pressure to suction operation 8) May be mounted in a variety of ways 9) Stable airflow: centrifugal compressor design delivers smooth, stable airflow with no pulsations 10) High-pressure airflow: produces continuous high-pressure airflow 11) Suitable for many industrial applications 12) Quickly delivery 13) Types: HBD-120,HBD-200, HBD-250, HBD-370, HBD-550, HBD-750, HBD-1100,HB-200,HB-250,HB-370, HB-550, HB-750, HB-1100,HB-1500,HB-2200, HB-3000, HB-4000, HB-5500, HB-7500 14) Power: 200W, 250W, 370W, 550W, 750W, 1,100W,1,500W, 2,200W, 3,000W, 4,000W, 5,500W, 7,500W 15) Frequency: 50 / 60Hz 16) Voltage: 220 - 240V or 380 - 440V