A pump comprises pumping means (1) of a fluid and galvanic protection means (3, 4) arranged to protect against corrosion said pumping means (1), said galvanic protection means (3) comprising sacrificial anode means (4) arranged in direct contact with said pumping means (1) and electrically coupled with said pumping means (1); a galvanic protection apparatus for a pump (10) comprises sacrificial anode means (4) electrically associated with pumping means (1) of said pump (10), said sacrificial anode means (4) comprising a portion (6) configured in such a way as to interact with a flow of fluid pumped by said pumping means (1).
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