Pumps play a major role in pumping up the fluids. CRI 1HP 7 Stage Water Filled Single Phase Submersible Pump, CRI4R 5/07 is an ideal choice when you are looking for an efficient one. These pumps are suitable for 100 mm and Above Bore Dia.. This is a Single Phase pump. This submersible pump is connected with motors for proper ejacuation of water.