Submersible pumps our Products Submersible Pumps Altimate submersible borehole pumps and motors, designed for pumping groundwater. The pumps are suitable for boreholes in sizes ranging from 4″ over 6″ and 8″ to 10″. The motor sizes for the pumps are available in 0.37-110 kW. 4" Easy Kit Pumps 4" Techno Polymer Pumps 4" Stainless Steel Pumps 6" Stainless Steel Pumps 8" Stainless Steel Pumps 10" Stainless Steel Pumps