... Volote Pump )Casing,Casing Cover Wear resistent 1#-8#GB8263-87ExpellerDischarge Pressure CoverHT200GB9439-88QT450-10,QT500-7GB1348-88Stainless ... &Wear resistent SteelGB2100-80Wear resistent 1#-8#GB8263-87Shaft45GB699-8840CrGB3077-88Shaft Sleeve45 (chrome plated surface ... metallurgy,mine,coal,power,buliding etc.ZJ series slurry pumps can be divided into two classes,the one ...