HPK 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. Optional TRD type testing by TÜV. ATEX-compliant version available.
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Main Applications

  • Pump for handling hot water and organic or synthetic heat transfer fluids in piping or tank systems.
  • Heating systems
  • Forced circulation boilers
  • District heating
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Technical Data

  • Max. flow rate4800 m³/h
  • Max. head275 m
  • Max. allowed working pressure40 bar
  • Max. allowed fluid temperature240 °C


  • Hydraulic system, nominal data and dimensions to ISO 2858 / EN 22858
  • Continuous lubrication and oil level monitoring by constant level oiler
  • Back pull-out design allows the casing to remain in the piping while the pump is dismantled.

Characteristic curves

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TitleFormatSizeLast change
icon download-pdfHPKpdf4.995/24/2019
icon download-pdfHPK; Complementary sizespdf4.35/24/2019
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icon download-pdfProduct Introduction HPKpdf0.425/24/2019
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icon download-pdfStartup of horiz. Pumps with Graphitepdf0.155/24/2019
icon download-pdfSuppl. OI HPK, Design features improvingpdf0.569/18/2020
icon download-pdfSuppl. OI, HPKSx/Ex; mech.seal, Typ Bpdf0.055/24/2019
icon download-pdfConical Strainer ZN 1364; only vertical.pdf0.15/24/2019
icon download-pdfSuppl. OI HPKSx/Ex for single-acting mecpdf0.049/18/2020
icon download-pdfCPKN; HPK; HPK-L; MAC; MAC-Bloc; MegaCPKpdf19/18/2020
icon download-pdfShock pulse measurementpdf1.045/24/2019
icon download-pdfSuppl. OI HPK/HPKY, single-acting mech.spdf0.059/18/2020
icon download-pdfSuppl. OI HPK/HPKY for quench pot 8LSUKpdf0.195/24/2019
icon download-pdfSuppl. OI, single-acting mech. seals, Crpdf0.079/18/2020
icon download-pdfPT100pdf0.535/24/2019
icon download-pdfSuppl. OI HPK/HPKY, single-acting mech.spdf1.629/18/2020
icon download-pdfSuppl. OI HPK for single-acting mech.seapdf0.049/18/2020
icon download-pdfSuppl. OI HPK/HPKY mech.seal, Burgmann Hpdf0.559/18/2020
icon download-pdfOil Level Gaugepdf0.715/24/2019
icon download-pdfConical Strainer ZN 1449; hor. and vert.pdf0.065/24/2019
icon download-pdfSOI Installation instructions, HPK/HPKY,pdf0.39/18/2020
icon download-pdfZusatzbetriebsanleitung HPKpdf0.115/24/2019
icon download-pdfSuppl. OI HPK/HPKY single-acting mech.sepdf0.059/18/2020
icon download-pdfSuppl. OI HPKSx/Ex, single-acting mech.spdf0.19/18/2020
icon download-pdfSuppl. OI HPK/HPKY, mech.seal, Burgmannpdf0.059/18/2020
icon download-pdfSuppl. OI HPK Design features improvingpdf0.59/18/2020
TitleFormatSizeLast change
icon download-pdfType series booklet HPKpdf0.555/24/2019

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 material1415, 1877, 2349
  • Nominal pressurePN 40
  • Max. allowed working pressure40 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature240 °C
  • Min. allowed fluid temperature5 °C

Sectional Drawings

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