JUMBO; Robust construction ensures longer life, 3d heat transfer technology ensures low temperature rise, CFD based pump design ensures best hydrauilc efficiency, dynamically balanced parts to ensure minium vibration& longer life, high operating efficiency reslting in lower power consumption accurate alignment of bearing ensures minium starting friction and reduced starting load special grade grese increses the life of the bearing specially designed for wide voltage operating good suction lift charcterisitcs special voltage design also available