... Steering:counter clockwise rotation speed:1450r/mi pulp open type impeller pulp pump:Capacity:20~3000m3h Head ... 1450,980,750,2900r/minProduct descrption:1.Totally open impeller,high efficiency,light in weight ,small ... is easy to maintain, and replace.Single face mechaical seal,used for pulp below the thickness ... of 4.5%.Double face mechanical seal, used for harsh media and ...