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Marine Products

Special Features

Besides being the first to standardize mechanical shaft seals for raw water cooling pumps and offering hardened face mechanical seals for more aggressive applications, Sherwood has patents on some of its other innovative designs. One such patent is a split cam design incorporating a phenolic wear surface. Another is the threaded impeller puller, illustrated on the left. The impeller puller is screwed into the threaded insert of several Sherwood impellers, which pushes the puller against the shaft and causes the impeller to be jacked out of the pump.


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