ZLM

The process and transfer pump of ZLM design was developed for stringent demands. Is a special main pipeline pump recommended for applications with change of the flow during the lifetime of a pipeline. This horizontal pump with double suction impeller and a between bearing design is perfect for pipeline applications as it is constructed under the API standards. The additional diffuser ensures a high efficiency. By changing the impeller and diffuser the BEP can be shifted in a wide range to achieve low power consumption and a long lifetime of the pump. It can also be used for other applications.
CHARACTERISTICS

  • Axially split, horizontal, single stage centrifugal pump.
  • Foot or Near-centerline mounted.
  • Double volute casing.
  • Thrust compensation by double suction closed impeller.
  • Diffuser arrangement for high efficiency and low radial forces.
  • Easy changing of impeller and diffuser to ensure best performance in a wide range.
  • Side-Side nozzle arrangement.
  • Materials of construction per API 610.
  • Other materials on request.
OPERATION LIMITS

  • Capacity 100 to 20,000 m³/h
  • Head 10 to 1,200 m (30 to 3,900 ft).
  • Discharge flange size 4′ to 40′.
  • Maximum Pressure 145 bar (2,103 psi).
  • Temperature 205 ºC (401 ºF).

DESIGN FEATURES

  • Heavy duty process design according to API 610 latest edition (BB1 type).
  • Ring oil lubrication. Other methods of lubrication available.
  • Replaceable wear rings for casing and impeller.
  • Fan and Water cooling available.
APPLICATIONS

  • Pipeline Service: Mainline and Booster.
  • Oil-extraction Technology. On/off shore.
  • Refinery Technology.
  • Chemical/Petrochemical Industry.
  • General Industry.
  • Metallurgical and Steel Industries.
  • Combined Heating and Power Stations.
  • Power Stations.
  • This pump is recommended for applications with change of the flow during the lifetime of a pipeline.

RUHRPUMPEN NOMENCLATURE

  • ZLM
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