2. Impeller and plate liner can use replaceable metal or rubber material
3.Показатели воды: according to different impeller and volute liner materials, flow rate can be 612-1368 m³/h and 540-1188 m³/h. Head can be 11-61m and 12-50m. Speed can be 400-850 r/min and 400-750 r/min. The maximum efficiency can achieve 71% and 75 %. NPSH can be 4-10m and 4-12m.
4. Impeller number is 5, and the diameter is 686 mm.