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: PN (nominal pressure) is an alphanumeric variable for reference purposes, relating to a combination of mechanical and measurement properties of a pipe component. It comprises the letters PN followed by a dimensionless number (according to EN 1333/96.08); Name: Nominal pressure of the muffs, A1