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Submersible pump – clean water

A submersible pump is a unit combining a pump and a motor to an enclosed unit, suitable for submerged installation.

There are two types of submerged pump installations:

  • A submerged pump type with a submersible motor.
  • A submerged pump with a dry motor, which is connected to the pump by a long shaft.

These pumps are normally used for supply of fresh water for drinking, irrigation, and various industrial applications.

Submersible pump versions
The pump comes in both a single-stage and a multi-stage version (the multistage version being the most common one).

The submersible pump may be connected to a riser pipes with a non-return valve, or it can also be installed connected with a flexible hose or other arrangements.

The pumps are specially designed to be submerged in a liquid and are often fitted with a submersible motor which is hermetically sealed.

Motor and pump are connected with a coupling, from the pump shaft to the motor shaft. Power to the motor is fed through one or more flexible watertight cable.

Grundfos supplies a broad range of pumps for submerged pump installation in groundwater and surface water pumping stations for water supply applications.

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