Magnetic Drive Pumps. LEAK FREE high performing centrifugal pumps purpose built to pump corrosive chemicals and salt water. Magnetic drive pumps prevent the pumped product from being polluted. Suit: Chemical, Pharmaceutical, Petroleum, Electroplating, Food & Wine, Brewery, Film and Photo Processing, Printing, Science and Research, Liquid Extraction. Pollution free. Magnetic drive pumps are extensively used in the wine industry to slowly turn wine in barrels.