Deep Well Submersible Pump (6SD) The main characteristic of the electric pumps with Oil-filled motor keeps windings cool, Deep Well Submersible Pump (6SD)6SD series pump suitable for ... water pumps includes 4SD deep well pump, MXS submersible pump, KBZ submersible dewatering pump, KBS submersible slurry pump, WQ sewage pump, JET Self -Priming Jet Pump, CPM Micro Centrifugal Pump ...