Grundfos SP Series submersible borehole pumps are designed for pumping groundwater. Grundfos SP pumps are all stainless steel and available in three material grades. They are suitable for boreholes ranging from 4" to over 6" and 8" to 10". Motor sizes are available in 0.37-250 kW. Typical applications of SP pumps include ground water, irrigation, mining, fountain, off-shore, etc.