since 1991

Submersible pumps

Range FB8S

8” Cast iron mixed-flow submersible electropumps

8” pumps mixed-flow type, range FB8S, are for clean water for 8” wells DN 200.
This pumps have mixed-flow impellers with diffusers combined on each stage.
They may be chosen when high capacity and medium-low head are needed.



  • cast iron G25 impellers
  • cast iron G25 delivery bowl
  • cast iron G25 pump body
  • cast iron G25 non-return valve
  • stainless steel AISI 420 shaft
  • stainless steel AISI 304 cable cover
  • stainless steel AISI 304 suction strainer
  • stainless steel AISI 304 nuts, bolts and screws


  • maximum capacity: 2667 l/m
  • maximum head: 384 m
  • maximum power: 110 Kw
  • maximum encumbrance diameter: 198 mm
    (cable cover included)
  • maximum water temperature: 60°C
    (only for the pump, for the motor see motors’ catalogue)
  • maximum sand content: 100 g/m3


On demand cast iron pumps can be manufactured with:

  • bronze GCuSn10 (B10) impellers
  • stainless steel AISI 316 impellers

Documentation available


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Operating and Maintenance Manual

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F.B. Srl
Via Valchiampo, 68
Montorso Vicentino (VI) - Italy
+39 0444 451330