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Net Positive Suction Head (NPSH) Calculator
Calculates available NPSH for pump installations to prevent cavitation.
Atmospheric Pressure
?
Local barometric pressure.
psia
Vapor Pressure
?
At pumping temperature.
psia
Static Head
?
Positive if flooded, negative if lift.
feet
Suction Line Friction Loss
?
Friction loss in suction piping.
feet
Calculate
Results
NPSH Available
-
feet
Status
-
References:
Hydraulic Institute Standards, ASPE Data Book Vol. 3