● Double-stage pressure blower or Roots blower for wind source, negative pressure, low noise;
● Outside cooling bearings, good heat dissipation, long running life;
● full of material when the motor does not stop the design to avoid frequent loss of start-up;
● High-efficiency aluminum leaf blades vibration-type fixed base and built-in silencer tube;
● Industrial 50-60HZ squirrel-cage motor, and a motor shaft seal protection device.
Parameters of high-pressure fan:
Parameters of roots blower: