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Submersible pump

Submersible pumps are centrifugal pumps whose hydraulic components (pump casing, impeller, diffuser element) are flooded by the fluid handled. Usually, this type of pump is not fitted with a suction line.

A submersible pump whose motor is arranged above floor is referred to as a vertical shaft submersible pump

This type is typically used as irrigation pump (see Fig. 2 Irrigation pump), deep-well turbine pump, chemical pump (see Fig. 4 Chemical pump), drainage pump (see Fig. 1 Drainage pump), cooling water pump (see Figs. 1, 2, 3, 6, 7 Cooling water pump), tubular casing pump, land reclamation pump or pump for use in low-lift pumping stations (see Fig. 1 Pump for use in low-lift pumping stations) and tank farm pump.

Pumps whose motor is flooded in addition to the hydraulic components are referred to as submersible motor pumps.

This type of pump is used as a waste water pump (see Figs. 2, 3, 5 Waste water pump), irrigation pump (see Fig. 1 Irrigation pump), drainage pump (see Fig. 2 Drainage pump), cooling water pump (see Fig. 5 Cooling water pump), submersible pump in discharge tube, land reclamation pump (see Fig. 2 Pump for use in low-lift pumping stations).

The same principle is used for submersible borehole pumps.