ZJL vertical pump 1.Transporting slurry with strong corrosion proof and high cencentration 2.passed ISO9001-2008 ZJL SLURRY PUMPMATERIALPARTSMATERIALSTANDARD CODEBearing SupportTray (Double Volote Pump )Casing,Casing Cover HT200GB9439-88QT405-10,QT500-7GB1348-88ZG230-450,ZG270-500GB/T11352-89ImpellerVolute Liner,Guard Plate, (Single Volote Pump )Casing,Casing Cover Wear resistent 1#-8#GB8263- ...