Description: Pressure at the pump inlet port, including the pump acceleration pressure in the inlet, minus the vapor pressure, at the given fluid temperature; Name: Net positive entry pressure
Description: total pressure (including velocity pressure) at the pump inlet connection less the liquid vapour pressure at the present temperature of the liquid; Name: net positive inlet pressure
Description: gauge pressure of the gaseous state of a substance which is in thermodynamic equilibrium with the liquid or solid phase of the substance at a given temperature; Name: vapor pressure (gauge)