Submersible pump loads? [RE-wrenches]

[Dan Duffield]

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We have sold many of the innovative Grundfos SQFlex systems and have had 
only one failure. In northern New Mexico, we have a single ranch/customer 
with 20 to 30 wells. He has been replacing positive displacement pumps with 
these new well designed units.
	One failed within a week of install, it was sent in for repair, we were 
told that their was lignite or a coal- like bearing seam in the well,  and 
that this circumstance had hurt the pumping displacement mechanism. We were 
not told much more than this, but a centrifugal pump was used in it's place.

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