Glossary
6 of 76
EtaLine Pro
1168.87/01-EN
Glossary
Back pull-out unit
Pump without pump casing; partly completed
machinery
Close-coupled design
Motor directly fitted to the pump via a flange or a
drive lantern
Discharge line
The pipeline which is connected to the discharge
nozzle
Hydraulic system
The part of the pump in which the kinetic energy
is converted into pressure energy
IE5
Efficiency class to IEC TS 60034-30-2:2016 = Ultra
Premium Efficiency (IE = International Efficiency)
In-line design
A pump whose suction and discharge nozzle are
arranged opposite each other and have the same
nominal diameter.
Pump
Machine without drive, additional components or
accessories
Pump set
Complete pump set consisting of pump, drive,
additional components and accessories
Suction lift line/suction head line
The pipeline which is connected to the suction
nozzle
