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Net positive suction head

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Net positive suction head (NPSH) is the measurement of liquid pressure at the suction end of a pump. Insufficient NPSH can cause cavitation to the pumps. To avoid cavitations, NPSHA must be equal to or exceed the NPSHR. [1]

References

  1. http://www.hargrave.com.my/about_pumps.php?page=3
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