Description: Head for the feed flow Q = 0; Name: Zero head
Description: Hoisting height for the feed flow Q = 0; Name: Zero-delivery height
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