CPKN PumpDrive

Main applications

  • Advanced treatment / 3.stage
  • Auxiliary Systems
  • Breweries
  • Chemical industry
  • Energy
  • Food and beverages
  • Industry engineering
  • Nuclear Power Stations
  • Oil /Gas
  • Petrochemical Industry
  • Pipelines and Tanks
  • Sewage treatment plants
  • Sugar
  • Waste water

Design type

Long-coupled design

Technical data

Q max 4800.0 m³/h
H max 275.0 m


Horizontal, radially split volute casing pump in back pull-out design to EN 22 858 / ISO 2858 / ISO 5199, single-stage, single-entry, with radial impeller. Also available as variant with "wet" shaft, conical seal chamber and/or semi-open impeller (CPKNO) with motor-mounted variable speed system.


Handling of aggressive liquids in the chemical and petrochemical industries as well as in refinery and fire-fighting systems.

Further technical information about CPKN PumpDrive

Overview of technical data

Q (50Hz) 1.0 – 4800.0 (m³/h)
H (50Hz) 2.0 – 275.0 (m)
Type of bearing Rolling element bearings
Casing partition Radially split
Drive frequency 50 Hz /60 Hz
Type of drive Electric motor
Drive voltage Low voltage
No. of impeller entries Single entry
Heatable Yes
Impeller material (EN standard) 1.4408, JL 1040, NORIDUR 1.4593
Type of installation Long-coupled
Type of coupling Direct
Type of lubrication Oil lubrication
Max. permissible fluid temperature 400.0 (°C)
Nozzle position End suction
Maximum operating pressure PN 25
Pull-out design Yes
Pump set location Dry installed
Shaft material (EN standard) 1.4462, 1.5680, 1.7709, C 45+N
Standard EN 22858, ISO 2858, ISO 5199
Suction characteristics Non-priming
Type of casing Volute casing
Type of impeller Closed, Radial
Type of connection Flange
Casing material (EN standard) 1.4408, GP240GH+N, JS 1025, NORIDUR 1.4593
eClass assignment 36410000, 36410100, 36410101
Installation position Horizontal
Shaft seal type Mechanical seal
Main applications Industry and process engineering, Energy
Casing material Cast steel, Cast stainless steel, Cast duplex steel, Nodular cast iron, Ni-Resist
Maximum discharge-side pressure 25.0 (bar)
Maximum drive rating 3200.0 (kW)
Maximum speed of rotation 3500.0 (1/min)