Main applications etaprime l

  • Breweries
  • Food and beverages
  • Industrial waste water
  • Industry engineering
  • Municipal waste water
  • Suspended solids treatment
  • Waste water

Technical data

  • Q max 180.0 m³/h
  • H max 105.0 m

Design etaprime l

Horizontal self-priming volute casing pump, single-stage, with open multi-vane impeller, from size 40-40-140 with bearing bracket, in back pull-out design, ATEX-compliant version available.

Application pump etaprime l

Pumping clean, contaminated or aggressive fluids not containing abrasive substances and solids. For use in spray irrigation systems, service water systems, drainage, dewatering systems, fire-fighting systems, drawdown of groundwater levels, domestic water supply, air-conditioning systems, cooling circuits, swimming pools, water supply systems.

Drive pump etaprime l

KSB surface-cooled IEC frame three-phase current squirrelcage motor
▪ Winding Up to 2.2 kW: 220-240 V/380-420 V From 3 kW: 380-420 V/660-725 V
▪ 60 Hz winding 440-480 V
▪ Type of construction B3
▪ IP55 enclosure
▪ Thermal class F with temperature sensor; 3 PTC thermistors
▪ Mode of operation: continuous operation S1

Desing Details pump etaprime l


▪ Volute casing pump
▪ Back pull-out design (from size 40-140)
▪ Horizontal installation
▪ Self-priming
▪ Single-stage
▪ Single-entry

Pump casing

▪ Radially split volute casing
▪ Volute casing with integrally cast pump feet (from pump size 40-140)

Shaft seal

▪ The shaft is fitted with a replaceable shaft sleeve in the shaft seal area (from pump size 40-140).
▪ Standardised mechanical seal to EN 12756

Impeller type

▪ Open multi-channel impeller


▪ Radial ball bearing
▪ Grease lubrication
▪ Oil lubrication

Overview of technical data etaprime l

Q (50Hz)4.0 – 180.0 (m³/h)
H (50Hz)5.0 – 105.0 (m)
Type of bearingBall bearings
Casing partitionRadially split
DriveIEC standardized motor, electric motor
Drive frequency50 Hz /60 Hz
Type of driveElectric motor
Drive voltageLow voltage
No. of impeller entriesSingle entry
Impeller material (EN standard)1.4408, JL 1040
Type of installationLong-coupled
Type of couplingDirect
Type of lubricationGrease / Oil lubrication
Max. permissible fluid temperature90.0 (°C)
Guaranteed to be silicon-freeYes
Nozzle positionEnd suction
Maximum operating pressurePN 16
Pull-out designYes
Pump set locationDry installed
Shaft material (EN standard)1.4462, C45+N, 1.4571
Suction characteristicsSelf-priming
Suitable for drinking waterYes
Type of casingVolute casing
Type of impellerMulti-vane impeller, Open
Type of connectionScrew-ended, flange
Casing material (EN standard)1.4408, JL 1040
Free passage10.0 (mm)
Installation positionHorizontal
Shaft seal typeMechanical seal
Main applicationsBuilding services, Water, Industry and process engineering, Waste water / sewage
Casing materialCast stainless steel, Cast iron
Maximum discharge-side pressure10.0 (bar)
Maximum drive rating37.0 (kW)
Type of installationStationary
Maximum speed of rotation3500.0 (1/min)