RPH Dry-installed pump
Dry-installed pump


Horizontal radially split volute casing pump in back pull-out design, to API 610, ISO 13709 (heavy-duty), type OH2, with radial impeller, single-entry, single-stage, centreline pump feet; with inducer if required. ATEX-compliant version available.
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Main Applications

  • Pump for handling the large variety of petroleum products in refineries as well as in the chemical and petrochemical industry.
  • Refineries
  • Chemical industry
  • Petrochemical industry
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Technical Data

  • Max. flow rate4800 m³/h
  • Max. head270 m
  • Max. allowed working pressure110 bar
  • Max. allowed fluid temperature450 °C


  • Low radial thrust and reduced shaft deflection for a longer service life of bearings and mechanical seal by double volute from DN 80 (3 inches)
  • Easy to dismantle due to back pull-out design; no need to remove the pump casing from the piping
  • Wide variety of flanges to all standards up to PN 100 equivalent (ASME Class 600)

Characteristic curves

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TitleFormatSizeLast change
icon download-pdf2-page product description RPH (1316.025_EN)pdf0.859/10/2019
TitleFormatSizeLast change
icon download-pdfRPH (1316.8014_EN)pdf7.145/24/2019
TitleFormatSizeLast change
icon download-pdfRPH, 11. Edition (1316.52_EN)pdf4.415/24/2019

Technical Data

  • FunctionPump
  • Connection typeFlange
  • Drive conceptWith electric actuator, Turbine
  • Max. flow rate4800 m³/h
  • Min. flow rate0.1 m³/h
  • Max. head270 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 material1744, 2355, 3029, 3037, C015
  • Nominal pressureCL 600, PN 100
  • Max. allowed working pressure110 bar
  • Suction behaviourNon-self-priming
  • Max. allowed fluid temperature450 °C
  • Min. allowed fluid temperature-70 °C

Sectional Drawings

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