... ~70m Speed:1450,980,750,2900r/minProduct descrption:1.Totally open impeller,high efficiency,light in weight ,small axial force,and the ... transmit media with a certain volume of gas.3.The impeller was precision cast.Tested with Class G6.3 dynamic balance ... stel.We are good at centrifuge pump producing! pulp full open type impeller pump casing