... blast furnace blower 2.Dynamic balancing tested Impellers 3.low noise,save energy,CE&ISO certificate Cell: + 86 18790510806Company ... generally consist of the following product parts:case, impeller, air inlet, motor, system integral pedestal, main shaft, driving ... of Product Performance Impeller TypeDriving ModeSpindle Speed(r/min)Air Volume(m3/h)Total Pressure(pa)Motor(kw)4Coupling29003242 ...