DX

The Ruhrpumpen DX vertical pump is a heavy-duty double-suction, four-volute, single-stage, centrifugal design.

This pump has good NPSH characteristics and can be used as a single stage vertical pump or can be used as a first stage for other vertical multi-stage pumps. This pump is popular in utility condensate service.

CHARACTERISTICS

  • Single stage vertical, centrifugal, double volute.
  • Double suction enclosed impeller.
  • Counter clockwise rotation viewed from shaft.
  • Available as a low NPSH first-stage for other vertical models.
  • High efficiency design.
  • Fabrications according to API-610 latest edition available upon request.
OPERATION LIMITS

  • Capacity up to 3400 m3/h (15,000 U.S. gpm).
  • Head up to 80 m (260 ft).
  • Discharge flange 8” to 30”.
  • Discharge 200 to 1,000 mm.
  • Maximum Pressure 14 bar (200 psi).
  • Temperature -28 to 135 ºC (-20 to 275 ºF).

DESIGN FEATURES

  • Fabrications according to API-610 latest edition available upon request.
  • API 610 VS2 or VS7 type construction.
  • First stage for API 610 VS1 or VS6 type construction.
  • Above or below base discharge.
  • Oil or water lubricated via an inner column, or it may be self lubricated by the pumped liquid.
  • Impeller is removable without series stage disassembly.
  • Impeller and/or case wear ring available upon request.
APPLICATIONS

  • Condensate service.
  • Cooling towers and other applications requiring large volumes of liquid with low NPSH available.
  • Raw water intake.

STANDARD CONSTRUCTION MATERIALS

  • Bowl and bell: cast iron (other materials available for harsher fluids).
  • Impeller with integral wear rings: bronze.
  • Shafting: 416 Stainless.
  • Couplings: 410 Stainless.
  • Discharge Head: carbon steel with 150 and 300 ANSI flanges.
  • Renewable bronze case and/or impeller wear rings.
  • Other materials of construction available upon request.
RUHRPUMPEN NOMENCLATURE

  • DX
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