Main applications etaprime b

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

Technical data

  • Q max 150.0 m³/h
  • H max 100.0 m

Design pump etaprime b

Horizontal self-priming volute casing pump, single-stage, with open multi-vane impeller, close-coupled; pump shaft and motor shaft rigidly connected; ATEX-compliant version available.

Application pump etaprime b

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 b

  • KSB IEC frame standardised IE3 motor (from 0.75 kW)
  • Type of construction B34 ≤ 1.1 kW
  • Type of construction V1 1.1 to 4 kW
  • Type of construction V15 > 4 kW
  • 230/400 V up to 2.2 kW and 400/690 V from 3 kW
  • Enclosure IP55
  • Thermal class F
  • 3 PTC thermistors

Desing Details pump etaprime b


▪ Volute casing pump
▪ Back pull-out design (from size 40-40-140)
▪ Horizontal installation
▪ Self-priming
▪ Single-stage
▪ Single-entry
▪ Pump and motor connected by a stub shaft

Pump casing

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

Shaft seal

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

Impeller type

▪ Open multi-vane impeller

Overview of technical data etaprime b

Q (50Hz)4.0 – 150.0 (m³/h)
H (50Hz)3.5 – 100.0 (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 installationClose-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)1.4571, C45+N
Suction characteristicsSelf-priming
Suitable for drinking waterYes
Type of casingVolute casing
Type of impellerOpen, Multi-vane impeller
Type of connectionScrew-ended, flange
Casing material (EN standard)JL 1040, 1.4408
Free passage10.0 (mm)
Installation positionHorizontal
Shaft seal typeMechanical seal
Main applicationsWaste water / sewage, Industry and process engineering, Water, Building services
Casing materialCast stainless steel, Cast iron
Maximum discharge-side pressure10.0 (bar)
Maximum drive rating30.0 (kW)
Type of installationStationary
Maximum speed of rotation3500.0 (1/min)