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To answer your question,
To answer your question,
To answer your question, yes, I know why. Some parts of those pumps that are exposed above ground just aren't designed to be buried. The area around where the pump shaft goes through the stuffing box would just hate being surrounded by a bunch of dirt. (Sorry Civil brothers, soil.)
Not to say that if that was an important thing a pump couldn't be designed to be submerged in dirt, after some are designed to be submerged underwater.
But these pumps obviously weren't.
Thanks TenPenny for your reply. But, please consider that with fixed suction level we can have both A/G and U/G discharge. Considering expensive SS for pumps, less material saves a lot of money, that cover costs for civil works (openings for access?).
if take a look to the picture again it seems the piping is not CS. it resembles more to the HDPE (or GRP), which is weak in shear comparing to the CS. in this regard i think settlement of concrete intake is main reason to have A/G discharge to avoide direct shear in piping, and change it to tension and comopression at some meters away.
Am i right? Oil pumps
if take a look to the picture again it seems the piping is not CS. it resembles more to the HDPE (or GRP), which is weak in shear comparing to the CS. in this regard i think settlement of concrete intake is main reason to have A/G discharge to avoide direct shear in piping, and change it to tension and comopression at some meters away.
Am i right? Oil pumps
2011-08-03
