Main applications

  • Building services
  • Chemical industry
  • Cooling water and condensate
  • Desalination
  • District heating
  • Drainage pump stations
  • Energy
  • Fire fighting and sprinkler systems
  • Flood / stormwater holding tanks
  • Heat transfer, Cooling circuits
  • Industry engineering
  • Irrigation
  • Lake, Damwater extraction
  • Mining
  • Municipal waste water
  • Oil /Gas
  • Petrochemical Industry
  • Power Stations < 100 MW
  • Power Stations > 100 MW
  • Pressure Drainage
  • Pressure boosting
  • Pressure boosting, fire fighting systems
  • Process
  • Pumps used as Turbines
  • Rawwater transport
  • Special processes
  • Steel
  • Systems
  • Waste water
  • Waste water transport
  • Water
  • Water Extraction
  • Water supply
  • Water transport
  • Water works
  • Watertransport
  • Watertreatment

Technical data

Q max 10,000.0 m³/h
H max 290.0 m


Single-stage axially split volute casing pump for horizontal or vertical installation, with double-entry radial impeller, mating flanges to DIN, EN or ASME.


Pumping water with a low solids content, e.g. in waterworks, irrigation and drainage pumping stations, extraction duties in desalination systems, power stations, fire-fighting systems, shipbuilding, district heating or cooling.

Further technical information about RDLO®

Overview of technical data

Q (50Hz) 1,200.0 – 10,000.0 (m³/h)
H (50Hz) 15.0 – 290.0 (m)
Type of bearing Rolling element and plain bearings
Casing partition Axially split
Drive frequency 50 Hz /60 Hz
Type of drive Electric motor
Drive voltage Low voltage, high voltage
No. of impeller entries Double entry
Impeller material (EN standard) BRONZE, CHROMSTAHL, DUPLEX, SUPER DUPLEX
Type of installation Long-coupled
Type of coupling Direct, Gear
Type of lubrication grease-/oil- and product lubrication
Max. permissible fluid temperature 80.0 (°C)
Nozzle position In-line
Pump set location Dry installed
Shaft material (EN standard) 13 % CHROMSTAHL, DUPLEX
Suction characteristics Non-priming
Suitable for drinking water Yes
Type of casing Volute casing
Type of impeller Closed / Radial
Type of connection Flange
eClass assignment 36410101, 36410000, 36410100
Installation position Horizontal or vertical
Shaft seal type Gland packing, Mechanical seal
Main applications Industry and process engineering, Water, Energy, Building services, Mining / Dredges
Casing material Cast iron, Cast duplex steel, Nodular cast iron
Maximum discharge-side pressure 30.0 (bar)
Maximum drive rating 5000.0 (kW)
Type of installation Stationary
Maximum speed of rotation 1800.0 (1/min)