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 86.4-198 m³/h and 79.2-180 m³/h. Head can be 9-52m and 5-34.5m. Speed can be 1000-2200 r/min and 800-1800 r/min. The maximum efficiency can be 71% and 59 %. NPSH can be 4-6m and 3-5m.
4. Impeller number is 5, and the diameter is 245 mm