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 38.6-86.4m³/h and 36-75.6 m³/h. Head can be 12-64m and 13-46m. Speed can be 1300-2700 r/min and 1300-2300 r/min. The maximum efficiency can be 55% and 60%. NPSH can be 4-6m and 2-4m
4. Impeller number is 5, and the diameter is 214 mm and 213 mm.