... is fully sealed away from medium, no erosion, and high interchangeability. Closed circulate cooling system is applied to its inner ... Class150lb optionalMaterialCasingCast Iron standard, Ductile Iron, Stainless Steel optionalImpellerBronze standard, Cast Iron, Stainless Steel optional;ShaftASTM1045 standard, ASTM420, ASTM304, ASTM316 ... of our experinmental installation Centrifugal Split Casing Pump Set