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Mag-drive pump

Mag-drive pumps are seal-less pumps whose shaft torque is transmitted via a magnetic coupling drive (see Magnetic coupling) with permanent magnets by means of magnetic induction.

To prevent any leakage to atmosphere through a containment shroud failure during operation, mag-drive pumps are sometimes designed with double-walled containment shrouds and a leakage monitor. See Fig. 3 Chemical pump