Country and language selection

International websites


Americas / Oceania

Africa and Middle East

Asia / Pacific

CPKN Dry-installed pump
Dry-installed pump


Horizontal radially split volute casing pump in back pull-out design, with radial impeller, single-entry, single-stage, to ISO 2858 / ISO 5199. Also available as a variant with "wet" shaft, conical seal chamber and/or semi-open impeller. ATEX-compliant version available.
See all documents and downloads

Main Applications

  • Pump for handling aggressive liquids in the chemical and petrochemical industries
  • Paper industry / pulp industry
  • Seawater desalination/reverse osmosis
  • Food industry / beverage industry
Show all applications

Technical Data

  • Max. head275 m
  • Min. head2 m
  • Max. allowed working pressure25 bar
  • Max. allowed fluid temperature400 °C

Your KSB contact: We’re here to support you

Do you need any assistance finding the right material number?
We’ll soon provide a list so you can directly place your purchase order.
Meanwhile please contact our support:

Your local contact

Your KSB contact : We’re here to support you


  • Hydraulic characteristics optimised for excellent efficiency and NPSH, ensuring energy-efficient and environmentally friendly use of resources
  • Lower investment costs as duty points required can be achieved with smaller pump sizes
  • Lower operating costs due to reduced energy consumption, optimised spare parts concept and hard-wearing, service-friendly design

Technical Data

  • FunctionPump
  • Connection typeFlange
  • Drive conceptWith electric actuator
  • Max. flow rate4800 m3/h
  • Min. flow rate1 m3/h
  • Max. head275 m
  • Min. head2 m
  • Mains frequency50 Hz, 60 Hz
  • Mains voltage400 V, 460 V
  • Casing materialEN-GJS-400-18-LT, GP240GH+N/A216 GRADE WCB, GX5CRNIMO19-11-2, GX3CRNIMOCUN24-6-2-3/GX2CRNIMOCUN25-6-3-3/A9951B
  • Nominal pressurePN 25
  • Max. allowed working pressure25 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature400 °C
  • Min. allowed fluid temperature-40 °C


TitleFormatSizeLast change
TitleFormatSizeLast change
CPKN-SX (2730.87_EN)PDF1.954/19/2021
Pump power monitoring (1070.810_EN)PDF0.48/11/2021
CPKN (2730.8_EN)PDF4.754/19/2021
CPKN Complementary sizes (2730.813_EN)PDF5.666/24/2021
TitleFormatSizeLast change
Product introduction CPKN (2730.1_010)PDF0.324/19/2021
TitleFormatSizeLast change