Description: actual pump efficiency; Name: pump eff
Description: determined proportion of the pump power input, p, delivered as pump power output, pu, at given operating conditions; Name: pump efficiency
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