... repair SummaryMy factory has the following ten mud pumps of Type PN, PNL:1PN, 2PN, 2PNL, 3PN, 3PNL, 4PN, ... keep high efficiency by that.The bearing of this type pump above 4’’ can be installed in the opening bracket ... which improves the working condition of bearing.The pump body of this type pump above 8’’is bigger than others, they adopts ... please contect us. metallurgy, mining,ore sand mud slurry pump