[RE-wrenches] water pump system

Max Balchowsky max at seesolar.com
Fri Aug 14 07:58:27 PDT 2009



Looking for some input on the following for a friend - San Diego area - want to help him with a solar solution, 
but don't have much water pump experience.... Thanks for any help....

Max Balchowsky
SEE Systems

Hiya Max, Here's the info on pump demands:

Elevation to tank: ...150'

Pipe length: about 2500' , with  "about"  700' of this at a 9% grade & 1800' at a 70% ( + - ) grade.

Pipe: 3" wide

Well depth: 130'  vertical.

Motor:  3.5 H.P.

G.P.M.
: 25 is how it is now. Would this change with only day light use?  I
assume we'd produce 7,500 gallons most days with solar.

Pump is submerged as of now.

Thank you !
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