Description: the largest volume flow achieved at maximum efficiency; Name: Optimum flow capacity
Description: Rate of flow at the point of best efficiency; Name: Optimum rate of flow
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