Strong Wear Resistance Alloy. Seed 8001550 R Min. Motor Power 60 Kw. 64D-ZH slurry pumps are double-casing in structure. The material of wet parts is ZA05 high chrome alloy Cr.2728, which are highly abrasive resistant. ZH high chrome alloy lined pumps are more suitable in delivering strong abrasive slurries with solid.