ZMS Horizontal Split Case Pump

Axially Split Two Stage API 610 Centrifugal Pump

The ZMS is a two stage, main pipeline, horizontal pump for the most stringent demands in process and transfer services. Its design includes a first stage double suction impeller for NPSH optimization and a between bearing design perfect for petrochemical applications, as it complies with the API 610 standard (BB1 type).

Operation limits

Capacity 100 to 20,000 m³/h (440 to 88,057 gpm)
Head 10 to 1,200 m (30 to 3,900 ft)
Maximum Pressure up to 145 bar (2,103 psi)
Temperature up to 205 °C (401 °F)
Discharge flanges sizes 4' to 40'
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.


  • Axially split, horizontal, double stage (for higher heads) centrifugal pump
  • First stage double suction impeller for NPSH optimization
  • Foot or Near-centerline mounted
  • Double volute casing
  • Closed impeller
  • Side-Side nozzle arrangement

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.

  • Materials of construction per API 610 (other materials on request)