SU Submersible pumps are offered in 6”, 8”, 10” and 12” basic pump diameters to provide the wide range of performance necessary for agricultural, commercial, municipal and industrial applications. Advanced, low - maintenance design of all SU pumps assures around - the - clock protection for the most demanding water supply requirements. SU Submersible Pumps have established themselves as the simplest and efficient way of pumping water from borewells, open wells, reservoirs etc. The pump set comprises of a single stage or multi stage centrifugal pump close coupled to a submersible motor by a muff coupling.