A centrifugal pump comprising a pump housing, a bladed impeller in said pump housing, a rotatable shaft extending into said pump housing and on which said impeller is mounted, said pump housing having a radially extending wall adjacent said impeller and through which said shaft extends, seal means on the other side of said wall from said impeller for sealing said wall through which said shaft extends, a seal housing for supporting said seal means and enclosing the portion of said shaft adjacent said pump housing on the other side of said wall from said impeller, Water Control valves said seal housing being demountably connected to said radially extending wall, said seal housing comprising a removable wall portion on the other side of said wall from said impeller for permitting access to said sealing means and said portion of said shaft within said seal housing, without demounting said seal housing, Water Pump Control Valvesand a tube for carrying cooling fluid, said tube having entrance and exit ends passing through said removable wall of said seal housing and a portion of said tube intermediate said tube ends being arranged within said seal housing and coiled about said seal means and said shaft.

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2011-11-29

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