Main applications Calio-Therm

  • Building services


Technical data

  • Q max 24.0 m³/h

  • H max 12.0 m

Design Calio-Therm

Maintenance-free, high-efficiency variable speed glandless drinking water circulator pump, screw-ended or flanged, electric motor and continuously variable differential pressure control for use in drinking water supply systems and hot water supply systems.

Application pump Calio-Therm

Drinking water supply systems, hot water supply systems and similar systems in industry and building services (e.g. cooling water recirculation)

Drive pump Calio-Therm

  • High-efficiency permanent magnet synchronous motor,
    brushless, self-cooling, with continuously variable
    differential pressure control
  • Integrated motor protection
  • 1~230 V AC +/- 10%
  •  Frequency 50 Hz/60 Hz
  • Enclosure IPX4D
  • Thermal class F
  • Temperature class TF 110
  • Interference emissions EN 61000-6-3
  • Interference immunity EN 61000-6-1

Desing Details pump Calio-Therm


  • Product-lubricated special plain bearing


  • Screw-ended or flanged
    Operating modes
  • Constant-pressure control
  • Proportional-pressure control
  • Temperature-governed differential pressure control (can
    only be activated with KSB ServiceTool)
  • Open-loop control via setpoint setting
  • Eco Mode

Automatic functions

  • Continuously variable speed adjustment depending on the
    mode of operation
  • 0 – 10 V with external differential pressure/speed setpoint
  • 0 – 10 V as input of the actual value of the temperature or
    actual value of the differential pressure
  • Dual-pump operation
  • Peak load operation
  • Setback operation
  • Dynamic Control
  • Remote ON/OFF
  • Deblocking function
  • Self-venting function
  • Soft start
  • Full motor protection with integrated trip electroni

Overview of technical data Calio-Therm

Q (50Hz)0.0 – 24.0 (m³/h)
H (50Hz)0.0 – 12.0 (m)
Type of bearingPlain bearings
DriveElectric motor
Drive frequency50 Hz /60 Hz
Type of driveElectric motor
Drive voltageLow voltage
Connection to power supply400 V, 3~
Type of first impellerClosed / Radial
Type of installationIn-line
Type of couplingNone
Type of lubricationProduct lubrication
Max. permissible fluid temperature70.0 (°C)
Pump set locationDry installed
Integrated control systemYes
Suction casing material (EN standard)STAINLESS STEEL 1.4308
Suitable for drinking waterYes
Type of casingVolute casing
Type of suction casingVolute casing
Casing material (EN standard)DUPLEX STEEL, STAINLESS STEEL
Installation positionHorizontal
Shaft seal typeMechanical seal, Seal-less
Main applicationsWater, Building services
Maximum discharge-side pressure10.0 (bar)
Maximum drive rating0.05 (kW)
Type of installationStationary