Description: Representation of the pump head height as a function of the flow rate; Name: Plant (NPSH) characteristic curve
Description: representation of the pump head plotted against the flow rate; Name: installation NPSH curve
Description: Ten times the logarithm to the base 10 of the ratio of the square of the sound pressure, p, to the square of a reference value, p0, expressed in decibels; Name: Sound pressure level