Description: Greatest difference of the total energy head at the outlet side of the pump unit to the total energy head of the inlet side of the pump unit at the operating point.; Name: Max. head
Description: greatest difference between the total energy height at the outlet side of the pump aggregate and the total energy height of the intake side of the pump aggregate at operating point; Name: maximum feed height
Description: A norm-based numbering of the materials. The reference to a norm unambiguously describes the material; Name: Material number of the sleeve