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03 Jan 2012

Korea – A Year In Review

This year I’ve visited South Korea (Korea) five times.  The destination has always been Changwon City so most of my experience and observations of

07 Nov 2011

Horizontal or Vertical?

In selecting a pump for a given application there is sometimes the option of choosing either a vertical or a horizontal shaft pump arrangement. For

20 Oct 2011

My first WEFTEC

This week I had my first WEFTEC experience.  I live in LA and WEFTEC was held at the LA Convention Center, so I drove on over to see the exhibits.  I

25 Aug 2011

Specific Speed – Does it Matter?

To the pump engineer or pump manufacturer specific speed is terrifically important.  To the specifying engineer or user – maybe, maybe not. The

01 May 2011

Is there any confusion about NPSH?

Net Positive Suction Head (NPSH) is perhaps the most misunderstood concept in pumping technology.  The main source of confusion stems from multiple

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

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