... .Structure:single stage Summary Based on the similar imported equipment, YL series activated sludge pump is a kind of horizontal single ... 1Cr18Ni9Ti, 304,316L, Duplex Stainless Steel. Model significationStructural drawing of YL series activated sludge pump 1.pump body 2 .impeller nut ... situations, to notice advancedPlease contact us for detail installation dimension. YL series activated sludge pump