1.Heavy centrifugal slurry pumps. 2.keeping high efficient for ... structure, the inner wet ends contain impeller,volute liner,front liner,back liner,the material is high-chrome alloy , ... HRC>58. The outer layer are frame plate,cover plate, whose material is ductile iron. They bear the ... M2520--5400700--150013--57200--400855--10513701886415921 horizontal centrifugal heavy duty slurry pump