RUHRPUMPEN GmbH

CPP-21

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The CPP-21 line is designed to meet and exceed the ANSI B73.1 M specification. Like all CPP-21 pumps, they are designed around a single, basic hydraulic and mechanical design concept which assures the greatest efficiencies across the broad range of operating conditions, the greatest application flexibility and superior interchangeability.

  • Single stage horizontal centrifugal pump.
  • Radially split casing with flanged connections horizontal end suction and top discharge on the center line, enclosed impeller, clock-wise rotation (viewed from coupling end).
  • Foot mounted.
  • Oil lubricated.

  • ANSI std. B-73-1 (OH1).
  • “Back Pull Out” design for ease of maintenance, allows for removal of pump assembly without disturbing casing flange connections.
  • Standard or large bore stuffing box selection allows for use of packing, and all designs of single or double mechanical seals.
  • Close Coupled assembly available.
  • Options for high and low temperature available.

  • All Ductile Iron.
  • Ductile Iron/Stainless Steel.
  • All 316 Stainless Steel.
  • Alloy 20, Hastalloy and other materials available upon request.
  • 125#, 150# 300# RF or FF flanges per material allowances.
  • Heavy duty solid SS shaft standard for minimum deflection.
  • Large oil sight glass on both sides of the bearing unit for ease of oil level monitoring.
  • Standard steel, Non Metallic, PIP and other base plate designs available.
  • Zirconium.

  • Capacity up to 1,150 m³/h
  • (5,000 U.S. gpm).
  • Head up to 235 m (770 ft).
  • Discharge flange size 1'' to 8''.
  • Maximum Pressure 26 bar (375 psig).
  • Temperature -45 to 315 ºC (-50 to 600 ºF).

  • Petrochemical.
  • Oil & Gas.
  • Steel Industry.
  • Automotive.
  • Food Processing.
  • Power generation.
  • Pharmaceuticals.
  • Water treatment.

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