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Published on Apr 21, 2013
How pumps and pipes influence each other in a pumping system part 5. see my web site at: http://www.pumpfundamentals.com/ and\ http://www.pumpfundamentals.com/npsha... The venturi that I used can be found at Fisher Scientific, here is the link: http://www.fishersci.com/ecomm/servle...||aspirators||nalgene&highlightProductsItemsFlag=Y&endecaSearchQuery=%23store%3DScientific%23nav%3D0%23rpp%3D25%23offSet%3D0%23keyWord%3Dnalgene%2Baspirator&xrefPartType=From&savings=0.0&xrefEvent=1366602076729_0&searchType=PROD Contents: what is NPSHA, what is vapor pressure, what is NPSH Required, what is cavitation, listen to cavitation. An interesting video that shows cavitation occurring: http://www.youtube.com/watch?v=0O5W2J... Impeller appears to be turning in the wrong direction I think due to the stroboscopic effect.