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27 Apr 2011

Multi-stage pump in-line (tandem) versus opposed impeller arrangements

Common to early twentieth century multi-stage rotodynamic (centrifugal) pumps were design features for minimizing axial thrust.  At that time the

03 Mar 2010

The ideal pump

Consider a pump that functions reliably under all possible operating conditions, no matter how abusive, including complete loss of prime or dead

23 Jan 2010

Storm drain – what happens when the power goes out

During heavy rains earlier this week a City of Long Beach storm water drainage pump was temporarily inoperable due to a power outage. This occurred

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