Main applications etabloc sy

  • Building services
  • Cooling water and condensate
  • Energy
  • Heating / ventilation / air-condition
  • Industry engineering
  • Municipal waste water
  • Power Stations > 100 MW
  • Steel
  • Waste water
  • Water supply

Technical data

  • Q max 315.0 m³/h
  • H max 70.0 m

Design etabloc sy

Fan-cooled, single stage volute casing pump, close-coupled to standardized motor. Applications: heat transfer systems (DIN 4754) or hot water circulations systems. Code: EB SY

Drive pump etabloc sy

  • Surface-cooled KSB IEC three-phase squirrel cage motor
  • Winding:
    • 50 Hz     up to 2,2 kW 220-240 V/380-420 V for 3 kW 380-420 V/660-725 V
    • 60 Hz up to 2,6 kW 440-480 V
      for 3,6 kW 440-480 V
  • Design: IM V1
  • Enclosure: IP 55
  • Thermal class: F with temperature sensors:
    3 PTC thermistors
  • Operating mode: continuous operation S1
    or surface-cooled three-phase squirrel cage motor as described above, but West European brand to KSB’s choice.

Desing Details pump etabloc sy


Volute casing pump, single-stage, with standardized motor.
Pump and motor shaft rigidly connected.

Etabloc SY: close-coupled pump
Etaline SY: close-coupled pump in in-line design


Product-lubricated plain bearings

Shaft Seal

Mechanical seal to EN 12 756.


  • Volute casing: Nodular cast iron JS1025 2)
  • Discharge cover: Nodular cast iron JS1025 2)
  • Shaft: Chrome steel 1.4021.05 HRC 55
  • Impeller: Grey cast iron JL1040 3)
  • Casing wear rings: Grey cast iron GG
  • Drive lantern: Grey cast iron JL1040 3)
  • Bearing housing: Nodular cast iron JS1025

Overview of technical data etebloc sy

Q (50Hz)2.0 – 315.0 (m³/h)
H (50Hz)3.0 – 70.0 (m)
Type of bearingPlain bearings
Casing partitionRadially split
Drive frequency50 Hz /60 Hz
Type of driveElectric motor
Drive voltageLow voltage
No. of impeller entriesSingle entry
Impeller material (EN standard)JL 1040
Type of installationClose-coupled
Type of couplingDirect
Type of lubricationProduct lubrication
Max. permissible fluid temperature350.0 (°C)
Nozzle positionEnd suction
Maximum operating pressurePN 16
Pull-out designYes
Pump set locationDry installed
Shaft material (EN standard)1.4021.05
Suction characteristicsNon-priming
Type of casingVolute casing
Type of impellerClosed, Closed / Radial, Radial, Multi-vane impeller
Type of connectionFlange
UNSPSC classification4015150300
Casing material (EN standard)JS 1025
eClass assignment36410101, 36410100, 36410000
Installation positionHorizontal
Shaft seal typeMechanical seal
Main applicationsIndustry and process engineering, Energy, Building services
Casing materialNodular cast iron
Maximum discharge-side pressure16.0 (bar)
Maximum drive rating22.0 (kW)
Type of installationStationary
Maximum speed of rotation3500.0 (1/min)