Main applications rotex

  • Breweries
  • Building services
  • Drainage
  • Energy
  • Food and beverages
  • General Processes
  • Industry engineering
  • Municipal waste water
  • Sewage treatment plants
  • Surface drainage
  • Surface treatment
  • Waste water
  • Water treatment

Design rotex

Vertical single-stage centrifugal pump with discharge to the top and parallel with the pump shaft, pump base designed to act as suction strainer. Pump and motor are rigidly connected by a support column. Supplied ready to be plugged in, with 1.5-metre power cable and level switch.

Application pump rotex

Automatic drainage of buildings, pits and tanks, lowering of surface water levels and drainage.

Technical data

  • Q max 24.0 m³/h
  • H max 14.0 m

Drive pump rotex

  • Surface-cooled three-phase motor
  • Enclosure IP55
  • AC motor
  • IP54 enclosure

Desing Details pump rotex

Impeller type

Rotex 10:
▪ Two-channel impeller
▪ Free passage= 13 mm
Rotex 20:
▪ Three-channel impeller
▪ Free passage= 18 mm
Rotex 70:
▪ Open radial impeller
▪ Free passage= 10 mm


▪ Product-lubricated plain bearing
▪ Grease-packed deep groove ball bearings sealed for life


▪ Level control
▪ Pump started/ stopped automatically depending on the
fluid level
Rotex 10, 20:
▪ Displacement weight with cable pull float switch control
Rotex 70:
▪ Float switch


▪ Centrifugal pump
▪ Single-stage
▪ To EN 12050-2
▪ Pump foot designed as inlet strainer
▪ Discharge to the top, parallel to the pump shaft
▪ Pump and motor rigidly connected via a support column
▪ Ready to be plugged in
▪ 1.5 m power cable

Overview of technical data rotex

Q (50Hz)0.0 – 24.0 (m³/h)
H (50Hz)1.0 – 14.0 (m)
Type of bearingPlain bearings
DriveElectric motor
Drive frequency50 Hz
Type of driveElectric motor
Drive voltageLow voltage
Connection to power supply400 V, 3~
Maximum submergence1700.0 (mm)
Impeller material (EN standard)PA,, PA, JL 1040, JL1040
Type of couplingDirect
Type of lubricationProduct lubrication
Max. permissible fluid temperature90.0 (°C)
Pump set locationWet well
Shaft material (EN standard)1.4021, P250GH
StandardEN 733
Suction characteristicsNon-priming
Type of casingVolute casing
Type of impeller00, Dreikanalrad, radial, Mehrkanalrad, offen, Zweikanalrad
Type of connectionThread
UNSPSC classification4015150300
Casing material (EN standard)JL 1040, JL1040
eClass assignment36410100, 36410101
Free passage18.0 (mm)
Installation positionVertical
Shaft seal typeSeal-less
Main applications00, Gebäudetechnik, Wasser, Industrie- und Verfahrenstechnik, Abwasser
Casing materialCast iron
Maximum drive rating0.55 (kW)
Type of installationStationary
Maximum speed of rotation2900.0 (1/min)