FQ, API-610 VS2

The FQ API-610 11th Edition VS2 vertical mounted, double suction impeller centrifugal pumps are highly reliable and ideal for sump applications. Ideal for refining cooling towers, raw water intake, water transfer, irrigation and development.

The FQ sub-family comprises all one stage pumps while the FQX sub-family comprises pumps with several stages, one of them as FQ sub-family inside the bulb volute, and all other stages incorporation alongside the suspension column itself.

  • Flows to 39,600 gpm (10,0000 m³/hr)
  • Heads to 490 ft (150 m)
  • Maximum Case Working Pressure 218 psi (15 bar)
  • Temperature Range -22 to 482°F (-30 to 250°C)


  • Sea water intake
  • Desalination plants
  • Water reservoir
  • Cooling towers
  • Industrial applications
  • Petrochemical
  • Refineries
  • Tank farms for Oil & Gas
  • API tanks
  • Waste water treatment plants
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  • Flows to 39,600 gpm (10,000 m³/hr)
  • Heads to 490 ft (150 m)
  • Maximum Power  2,012 Hz (1,500 kW)
  • Maximum Case Working Pressure  218psi (15 bar)
  • Temperature Range -22 to 482°F (-30 to 250°C)

Marelli has more than 50 years of experience in centrifugal pump design, development, manufacturing and service around the world.  Vertical suspended centrifugal pumps are a core product family developed under API610/ISO 13709, latest edition standards.

Double suction vertical suspended centrifugal pumps FQ/FQX, improve the hydro-mechanical performances compare to the traditional vertical pumps, saving costs in their preventive maintenance and overhaul, to help the hydraulic management in medium and big flow applications.