The Speroni Submersible Borehole Pump Range Covers A Wide Range Of Pumping Duties For Agricultural And Domestic Applications. Floating Type Impellers Require Less Starting Torque And Are Less Affected By Sand Or Other Abrasive Materials. Pumps With Less Than 19 Impellers Are Fitted With One Shaft Bearing And Pumps With More Than 19 Impellers Are Fitted With Two Bearings. Application: Water Supply; Irrigation And Pressure Boosting. Discharge: 50Mm. The Speroni Submersible Pumps Now Have An Improved Nsf61 Certification Making Them Better And More Appropriate For Applications Involving Drinking Water.