Main applications calio

  • Building services
  • HVAC
  • Heat transfer, Cooling circuits
  • Heating / ventilation / air-condition
  • Industry engineering
  • Special processes

Technical data

  • Q max 51.0 m³/h
  • H max 18.0 m

Design calio

Maintenance-free high-efficiency flanged or screw-ended glandless pump with high-efficiency electric motor and continuously variable differential pressure control.

Application pump calio

Heating, ventilation, air-conditioning and heat recovery systems, cooling systems, industrial recirculation systems

Drive pump calio

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
▪ Energy efficiency index EEI ≤ 0.203)
▪ Interference emissions EN 61000-6-3
▪ Interference immunity EN 61000-6-1

Desing Details pump calio


▪ 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

Main applications

Heating, ventilation, air-conditioning, cooling and circulation systems

▪ One-pipe systems and two-pipe systems
▪ Underfloor heating systems
▪ Boiler circuits or primary circuits
▪ Storage tank circuits
▪ Solar power systems
▪ Heat pumps

Overview of technical data calio

Q (50Hz)0.0 – 51.0 (m³/h)
H (50Hz)0.0 – 18.0 (m)
Type of bearingPlain bearings
Drive frequency50 Hz /60 Hz
Type of driveElectric motor
Drive voltageLow voltage
Impeller material (EN standard)PSU-GF30
Type of installationIn-line
Type of couplingNone
Type of lubricationProduct lubrication
Max. permissible fluid temperature110.0 (°C)
Nozzle positionIn-line
Pump set locationDry installed
Shaft material (EN standard)1.4034
Type of casingVolute casing
Type of impellerClosed / Radial
Type of stage casingVolute casing
Casing material (EN standard)EN-GJL-200, KTL-BESCHICHTET
Installation positionHorizontal
Shaft seal typeSeal-less
Main applicationsBuilding services
Casing materialCast iron
Maximum discharge-side pressure16.0 (bar)
Maximum drive rating0.8 (kW)
Type of installationStationary