Main applications RDL

  • Mining
  • Process

Waterworks, irrigation and drainage pumping stations, power stations, industrial water supply systems, fire fighting systems, marine applications as well as general applications in

Technical data

  • Q max 12,000.0 m³/h
  • H max 150.0 m

Design RDL

Bomba de cuerpo de voluta partida axialmente, de una o dos etapas, para instalación horizontal o vertical, con impulsor radial de doble aspiración, bridas correspondientes según DIN, ISO, BS o ANSI.

Application pump RDL

Bombeo de agua con bajo contenido en sólidos, p. ej., en estaciones depuradoras, de riego y drenajes, extracción de agua en sistemas de desalación, centrales de energía, sistemas contra incendios, construcción naval y calefacción / refrigeración urbana. Materiales según DIN o ASTM. Disponible en varias combinaciones de materiales.

Design pump RDL

Horizontal or vertical single stage axially split volute casing
pump with double entry radial impeller. Design of the horizon-
tal drive shaft stub optional at left hand or right hand side.
Flanges acc. to ISO, DIN, BS or ANS

Desing Details pump RDL


RDL: Optional grease or oil lubricated
anti–friction bearings which can be re–lubricated
RDLV: upper bearing: Anti-friction bearing, grease lubricated
lower bearing: Plain bearing, medium lubricated

Shaft seal

Stuffing box packing or mechanical sea


ASTM Similar to DIN
Volute casing A48 class 35 GG–25
A48 class 30 GG–20
A536 class 604018 GGG–40
Shaft SAE 1045 C45N
AISI 420 1.4021
Impeller 584–90500 G–CuSn10
A743 CA6NM 1.4313.95
A743CF8M 1.4408
Shaft prot. sleeve AISI 420 1.4021
Casing wear ring B584–90500 G–CuSn10
A743CA6NM 1.4313.95
Impeller wear B584–90500 G–CuSn10
ring A743CA6NM 1.4313.95

Overview of technical data RDL

Q (50Hz)1,800.0 – 12,000.0 (m³/h)
H (50Hz)15.0 – 150.0 (m)
Type of bearingRolling element and plain bearings
Casing partitionAxially split
Diffuser material (EN standard)SAE 1045 (C45E+N), AISI 420 (1.4021)
Drive frequency50 Hz /60 Hz
Type of driveElectric motor
Drive voltageLow voltage, high voltage
No. of impeller entriesDouble entry
Impeller material (EN standard)A743CF8M (1.4408), A743CA6NM (1.4313.95), B 584-90500 (CC480K-GS)
Type of installationLong-coupled
Type of couplingGear, Direct
Type of lubricationgrease-/oil- and product lubrication
Max. permissible fluid temperature160.0 (°C)
Guaranteed to be silicon-freeYes
Nozzle positionIn-line
Maximum operating pressurePN 10, PN 16, PN 25
Pump set locationDry installed
Shaft material (EN standard)SAE 1045 (C45E+N), AISI 420 (1.4021)
Suction characteristicsNon-priming
Suitable for drinking waterYes
Type of casingVolute casing
Type of impellerClosed, Radial
Type of connectionFlange
Casing material (EN standard)A48 CLASS 35 (JL 1040), A536 CLASS 604018 (JS 1030), A48 CLASS 30 (JL 1030)
eClass assignment36410100, 36410000, 36410103
Installation positionHorizontal or vertical
Shaft seal typeMechanical seal, Gland packing
Main applicationsMining / Dredges, Industry and process engineering, Shipping / Shipbuilding, Water, Oil / Gas, Energy
Casing materialCast iron, Carbon steel, Stainless steel, Nodular cast iron
Maximum discharge-side pressure25.0 (bar)
Maximum drive rating3500.0 (kW)
Type of installationStationary
Maximum speed of rotation1200.0 (1/min)