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WKB Dry-installed pump
Dry-installed pump


Vertically suspended, single-casing, lineshaft, diffuser-type pump with integral thrust bearings and discharge through column pipe in accordance with API 610 / ISO 13709 (VS1). Available in single-stage and multistage configurations and with either single or double suction first-stage impeller.
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Main Applications

  • Processes with critical NPSH conditions in chemical and petrochemical industries
  • Condensate transport
  • Pipelines and tank farms
  • Liquefied gas

Technical Data

  • Max. head500 m
  • Min. head0.1 m
  • Max. allowed working pressure51 bar
  • Max. allowed fluid temperature250 °C

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  • Pump head is designed and welded according to ASME code to meet API nozzle load requirements. Suction areas designed for discharge pressure.
  • Circular or rectangular soleplate allows easy adaptation to different installation conditions.
  • Product-lubricated carbon guide bearings with bearing span below requirements of API 610 ensure low vibrations and reliable operation.

Technical Data

  • FunctionPump
  • Connection typeFlange
  • Drive conceptWith electric actuator
  • Max. flow rate350 m3/h
  • Min. flow rate0.1 m3/h
  • Max. head500 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, 11000 V
  • Casing materialA516 GRADE 70, SA240/SA240M TYPE 316L, A240 TYPE 316, A516 GRADE 60
  • Nominal pressureCL 400, PN 64
  • Max. allowed working pressure51 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature250 °C
  • Min. allowed fluid temperature-45 °C


TitleFormatSizeLast change
2-page product description WKB (3220.021_EN)PDF0.97/6/2021