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 360-828 m³/h and 324-720 m³/h. Head can be 10-61m and 7-49m. Speed can be 500-1140 r/min and 400-1000 r/min. The maximum efficiency can achieve 72% and 65 %. NPSH can be 2-9m and 5-10m.
4. Impeller number is 5, and the diameter is 510 mm