Horizontal - Multistage - Single Case - CSX
Product Brand
Horizontal - Multistage - Single Case
About this product

The CSX pump represents the next generation of segmental ring, multistage, diffuser-style pumps with stacked impellers and an axial balance device. It is engineered to deliver world-class high-efficiency operation in high pressure membrane feed applications in saltwater or brackish water reverse osmosis desalination plants as well as numerous general industry applications.

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  • Engineered for high pressure membrane feed service in SWRO plants.
  • Low energy consumption ensured by advanced hydraulic design to maximize efficiency, precision-cast diffusers and channel rings.
  • Prolonged operating life made possible by corrosion-resistant materials of construction including Super duplex A890 Gr.5A/6A.
  • Easy installation due to symmetrical suction and discharge heads that enable the pump nozzles to be rotated and positioned to suit a variety of piping layouts.
  • Two pump lubrication option available to meet customer and application requirements, including a fully product lubricated bearing arrangement that makes the pump more compact, more efficient and cleaner by removing oil or grease as a lubricant. It also eliminates one mechanical seal and both bearing housings ensuring a reduced pump footprint. 
  • Traditional oil lubricated version also available.
  • Flowserve
  • Hydraulic Inst.


  • Flows to 1500 m3/h (6600 gpm)
  • Heads to 840 m (2756 ft)
  • Design pressures to 100 bar (1450 psi)
  • Temperatures to 45°C (113°F)
  • Frequency 50 or 60 Hz; compatible with VFD applications

Size Range: 152 mm to 250 mm (6 to 10 in)

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