A description is given of a corrosion resistant sleeve for magnetic rotors of pumps, in particular for plastic encapsulated magnetic rotors in centrifugal pumps, which effectively protects the rotors of {HEAD ~ laboratory centrifugal pumps} from {TAIL ~ corrosion} and premature wear 
A description is given of a corrosion resistant sleeve for magnetic rotors of pumps , in particular for plastic encapsulated magnetic rotors in centrifugal pumps , which effectively protects the rotors of { HEAD ~ laboratory centrifugal pumps } from { TAIL ~ corrosion } and premature wear
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