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Compared with centrifugal pumps using mechanical seals or packing seals, magnetic pumps have the following advantages.

When a metal isolation sleeve is used, the isolation sleeve is in a sinusoidal alternating magnetic field, and eddy currents are induced on the cross section perpendicular to the direction of the magnetic field lines and converted into heat.

When the motor drives the external magnetic rotor to rotate, the magnetic field can penetrate the air gap and non-magnetic materials and drive the internal magnetic rotor connected to the impeller.