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ZM-I-II Horizontal Split Case Pump

Axially Split Case Centrifugal Pumps

The process and transfer pump of ZM I x2 design was developed for stringent demands. This is a two stage horizontal pump for higher pressure applications.

Operation limits

Capacity 150 to 10,000 m³/h (660 to 44,000 gpm)
Head 16 to 400 m (50 to 1,300 ft)
Maximum Pressure up to 40 bar (580 psi)
Temperature -10 to 220 °C (14 to 428 °F)
Speed up to 3,600 min-1 (3,600 rpm)
Applications Pipeline services: Mainline and Booster, Oil-extraction technology: on land and offshore, Refinery technology, Chemical / Petrochemical industries, General industry, Metallurgical and steel industries, Combined heating and Power stations.


This is a two stage horizontal pump for higher pressure applications with double suction impeller at the first stage and a between bearing design, and it is perfect for petrochemical applications as it is constructed under the API standards. It can also be used for other applications like cooling water pumping stations at lower speeds.

  • Axially split, horizontal, two-stage (for higher pressure applications) centrifugal pump.
  • Foot or Near-centerline mounted.
  • Double volute casing.
  • Double suction, closed impeller.
  • Thrust compensation by double suction impeller.
  • Side-Side nozzle arrangement.
  • Materials of construction per API 610.
  • Other materials on request.
  • 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.


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