The Stairs St P Submersible Borehole Pump Range Covers A Wide Range Of Pumping Duties For Agricultural And Domestic Applications. Floating Noryl Type Impellers Require Less Starting Torque And Are Less Affected By Sand Or Other Abrasive Materials. The Discharge Head And Motor Adaptor Are Made From Noryl For Superior Strength And Durability. The Motor Interconnector Is Nema Standard. Application: Water Supply; Agricultural Irrigation And Pressure Boosting. Operating Conditions: Rated Speed 2850 Rpm; Delivery 6.6 M3; /H Head 139 M; Sand Content 150 G/M3; Motor Power 0.37 Kw 0.55 Kw. Materials: Discharge Head Noryl; Check Valve Pom; Bearing Spider Glass Filled Polycarbonate; Diffuser Glass Filled Polycarbonate; Bowl Aisi 304 Stainless Steel; Impeller Noryl; Strainer Polypropylene; Pump Casing Aisi 304 Stainless Steel; Shaft Sleeve Aisi 304 Stainless Steel.