Main applications

  • Mining
  • Process

Technical data

Q max 12,000.0 m³/h
H max 150.0 m


Horizontally or vertically installed, single- or two-stage, axially split volute casing pump with double-entry radial impeller, mating flanges to DIN, ISO, BS or ANSI standards.


Water, irrigation, and drainage pumping stations, power stations, docks, fire fighting systems, refineries, pipelines and tank farms; pumping clean, raw and service water, seawater, crude oil and refinery intermediate products. Materials to DIN or ASTM standards, available in various material combinatins.

Further technical information about RDL

Overview of technical data

Q (50Hz) 1,800.0 – 12,000.0 (m³/h)
H (50Hz) 15.0 – 150.0 (m)
Type of bearing Rolling element and plain bearings
Casing partition Axially split
Diffuser material (EN standard) SAE 1045 (C45E+N), AISI 420 (1.4021)
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) A743CF8M (1.4408), A743CA6NM (1.4313.95), B 584-90500 (CC480K-GS)
Type of installation Long-coupled
Type of coupling Gear, Direct
Type of lubrication grease-/oil- and product lubrication
Max. permissible fluid temperature 160.0 (°C)
Guaranteed to be silicon-free Yes
Nozzle position In-line
Maximum operating pressure PN 10, PN 16, PN 25
Pump set location Dry installed
Shaft material (EN standard) SAE 1045 (C45E+N), AISI 420 (1.4021)
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) A48 CLASS 35 (JL 1040), A536 CLASS 604018 (JS 1030), A48 CLASS 30 (JL 1030)
eClass assignment 36410100, 36410000, 36410103
Installation position Horizontal or vertical
Shaft seal type Mechanical seal, Gland packing
Main applications Mining / Dredges, Industry and process engineering, Shipping / Shipbuilding, Water, Oil / Gas, Energy
Casing material Cast iron, Carbon steel, Stainless steel, Nodular cast iron
Maximum discharge-side pressure 25.0 (bar)
Maximum drive rating 3500.0 (kW)
Type of installation Stationary
Maximum speed of rotation 1200.0 (1/min)