NPSH Curve

NPSH (Net Positive Suction Head) is an expression for the suction capability of the pump.

NPSH (Net Positive Suction Head) is an expression for the suction capability of the pump. Together with the vapour pressure, it is used to calculate the inlet pressure needed at the pump to avoid cavitation.
The NPSH curve is showing H (head) at the Y-axis and Q (flow) at the X-axis.





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