Transcription of SEWAGE PUMP IMPELLER SELECTION - Pacific Liquid
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SEWAGE PUMP IMPELLER SELECTIONJoe Evans, fundamental difference between a centrifugal SEWAGE pump IMPELLER and those of its clear water cousins is its ability to pass solid material that would normally clog the latter. What differentiates various SEWAGE pump impellers is the method by which they accomplish this. Before we explore these differences, lets review some centrifugal IMPELLER figure below is that of a typical, clear water, Francis vane (radial flow) IMPELLER . Its major parts -- the eye, vane leading edges, and shrouds are labeled.
are rarely uniform regardless of the operating point. As flow decreases (or increases), unbalanced radial forces increase and usually reach a maximum at or near shut
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