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Deming 4507 Sump Pumps are designed to provide dependable, economical drainage service on medium capacity installations in commercial buildings and general industrial applications.
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Crane-Deming Sump Pumps, Fig. 4508, have been designed to fill the demand for a reliable, yet inexpensive unit, where a big industrial sump pump is larger than needed and a cellar drainer is too small. Flexible coupling connects motor shaft and pump shaft. Pump shaft is ground and polished and is supported by a heavy duty ball thrust bearing enclosed in a dust and water tight housing above the support plate. Impeller is semi-open. Type A is furnished with a split cover plate, complete with discharge pipe extending through the plate. Type B is furnished without cover plate and without discharge pipe, so arranged that the unit can be placed on the floor of the pit. Type B can be easily converted to Type A by removing the base ring ...
