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AWWA ACE61830
- Changing Pumps to Meet Changing Water System Demands
- Conference Proceeding by American Water Works Association, 06/17/2005
- Publisher: AWWA
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The Philadelphia Water Department evaluated pumping schedules and water demands in various high service district in Philadelphia and concluded that many of the pumps used in the distribution systemwere no longer operating in their optimum range. An investigation into available optionsresulted in very different solutions being implemented in each of the service districts. Inone case, a smaller impeller was swapped into the casing of a larger pump. In thesecond pumping station, the pump impellers were simply trimmed by a machine shop toyield considerable power savings. At another station, new, smaller pumps werepurchased to meet demand effectively. And at the final location, construction of a wholenew pumping station provided benefits to several adjoining facilities. Includes table, figures.
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