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CPKNO Dry-installed pump
Dry-installed pump


Horizontal volute casing pump in back pull-out design, with semi-open impeller, single-stage, to ISO 2858 / ISO 5199. ATEX-compliant version available.
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Main Applications

  • Chemical industry (aggressive / other liquids)
  • Petrochemical industry (aggressive / other liquids)
  • Alcohol industry
  • Fossil-fuelled power stations
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Technical Data

  • Max. flow rate900 m3/h
  • Max. head150 m
  • Max. allowed working pressure25 bar
  • Max. allowed fluid temperature400 °C


  • 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

Characteristic curves

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2-page product description CPKNO (2730.022_EN)PDF0.777/22/2021
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CPKNO, 60 Hz (2730.468_EN)PDF4.497/3/2021
CPKNO, 50 Hz (2730.458_EN)PDF4.787/21/2021
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Shock pulse measurement (1070.807_EN)PDF1.258/3/2021
Oil Level Gauge (1070.816_EN)PDF0.718/3/2021
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CPKNO (2730.54_EN)PDF3.25/26/2021

Technical Data

  • FunctionPump
  • Connection typeFlange
  • Drive conceptWith electric actuator
  • Max. flow rate900 m3/h
  • Min. flow rate0.1 m3/h
  • Max. head150 m
  • Min. head0.1 m
  • Mains frequency50 Hz, 60 Hz
  • Mains voltage110 V, 115 V, 120 V, 125 V, 200 V, 208 V, 220 V, 230 V, 240 V, 260 V, 276 V, 278 V, 380 V, 400 V, 415 V, 440 V, 460 V, 480 V, 500 V, 525 V, 575 V, 600 V, 660 V, 690 V, 760 V, 830 V, 1000 V, 3000 V, 4160 V, 5000 V, 5500 V, 6000 V, 6600 V, 6900 V, 10000 V, 11000 V
  • Casing materialGP240GH+N, GX3CRNIMOCUN24-6-2-3, GX3CRNIMOCUN24-6-5, GX5CRNIMO19-11-2
  • Nominal pressureCL 150, PN 25
  • Max. allowed working pressure25 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature400 °C
  • Min. allowed fluid temperature-40 °C
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