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 936-1980 m³/h and 720-1620 m³/h. Head can be 7-68m and 7-45m. Speed can be 300-800 r/min and 300-650 r/min. The maximum efficiency can achieve 82% and 80 %. NPSH can be 6m and 2.5-7.5.
4. Impeller number is 5, and the diameter is 762 mm