Description: indicates how many revolutions a rotary movement has; Name: orbital freuquency
Description: Number of revolutions of the pump in a given time required to meet the rated conditions ; Name: Rated speed
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, A2