Pumps | Peru
2020-1-16 · increase the NPSH A, consult with the pump manufacturer about reducing the NPSH R. In the case of a positive displacement pump, this will likely mean going with a larger model and slowing it down. For example, a gear pump generating 100 GPM at 780 RPM has an NPSH R of 9.1 feet of water. By switching to a larger pump running at 350 RPM to
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