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F 728

Submersible centrifugal pump VERTIFLOW F 728

Stationary circulation and filter pump with an impeller designed for flow rates up to 750 l/min, suitable for extreme operating conditions.

FLUX Pumps introduces the innovative F 728 series, representing a new era of submersible centrifugal pumps. These pumps boast an intelligent modular design, effortlessly adaptable to diverse applications. They offer exceptional dry run safety up to a 600 mm immersion depth without bearings in the fluid area, while also demonstrating resilience against fluid contamination. Immersion depths of up to 1,800 mm are possible by incorporating a plain bearing. These pumps feature a spiral housing design, ensuring remarkable efficiency and high delivery rates.

Technical data:

  • Viscosity: min. 1 mPas - max. 150 mPas
  • Diameter mounting flanges: max. 250 mm
  • Media / Fluids: Acids, Aggressive media, Alkalis
  • Seal: Seal: Seal-less in the wetted area
  • Container: Tanks > 1000 liters

Product attributes

  • Extremely durable, suitable for continuous operation, dry-run safety up to 600mm immersion depth
  • Variety of plain bearing configurations available
  • Open impeller design
  • Customisable support flange
  • Maximum temperature: PP 70°C / PVDF 95°C / PVC 50°C
  • Connection options: union nut (standard); flange (optional)
  • Immersion depth range: 400 – 1,800 mm
  • Available in various sizes to accommodate different performance needs


  • Outstanding chemical resistance
  • Reduced energy consumption attributed to the spiral casing design
  • Dry run capability up to 600 mm immersion depth (variant without plain bearing)
  • Application examples
    • Galvanic baths with e.g. copper sulphate, chromium, zinc electrolytes
    • Chemically aggressive fluids such as inorganic and organic acids, alkalis, salts