Main applications

  • Chemical industry
  • Desalination
  • Industry engineering
  • Lake, Damwater extraction
  • Mining
  • Oil /Gas
  • Petrochemical Industry
  • Pressure boosting
  • Process
  • Pumps used as Turbines
  • Rawwater transport
  • Systems
  • Water
  • Water Extraction
  • Water supply
  • Watertransport
  • Watertreatment

Design type

Centrifugal pumps with shaft seal

Technical data

Q max 18000.0 m³/h
H max 600.0 m


Horizontally installed, axially split volute casing pump with one, two or three stages, double-entry radial impeller, mating flanges to DIN EN or ANSI standards.


Handling clean, raw, service water and seawater.

Further technical information about RDLP®

Overview of technical data

Q (50Hz) 700.0 – 18000.0 (m³/h)
H (50Hz) 150.0 – 600.0 (m)
Type of bearing Rolling element and plain bearings
Casing partition Axially split
Diffuser material (EN standard) 13 % CHROMSTAHL, DUPLEX
Drive frequency 50 Hz /60 Hz
Type of drive Electric motor
Drive voltage Low voltage, high voltage
Type of first impeller Double entry
No. of impeller entries Double entry
Other impeller types Closed / Radial
Impeller material (EN standard) CHROMSTAHL, DUPLEX, SUPER DUPLEX
Type of installation Long-coupled
Type of coupling Gear, Direct
Type of lubrication Grease / Oil lubrication
Max. permissible fluid temperature 105 (°C)
Guaranteed to be silicon-free Yes
Nozzle position In-line
Maximum operating pressure PN 64, PN 100
Pump set location Dry installed
Shaft material (EN standard) 1.4021, C45+QT, 1.4462, 1.4429
Suction characteristics Non-priming
Suitable for drinking water Yes
Type of casing Volute casing
Type of impeller Closed, Radial
Type of connection Flange
Casing material (EN standard) JS 1030, 1.4517, 1.4408, GP240GH+QT
eClass assignment 36410000, 36410101, 36410100
Installation position Horizontal
Shaft seal type Gland packing, Mechanical seal
Casing material Cast steel, Cast duplex steel, Nodular cast iron
Maximum discharge-side pressure 70 (bar)
Maximum drive rating 15000 (kW)
Type of installation Stationary
Maximum speed of rotation 3600 (1/min)