●　机械密封型（HM带机械密封）

为了减少反向冲洗量，在泵与电机之间安置机械密封，有效地控制了反向冲洗量在100-500ml/天。

●　Slurry Handing Type with a Mechanical Seal(HM Type)

In response to the necessity of decreasing a back flusing volume,a type incorporating a mechanical seal betwen the pump and motor and is also available.The back flushing volume can be decreased up to 100ml/day to 500ml/day.