since 1991

Submersible pumps

Range FB4

4” Submersible pumps with floating impellers

4” submersible pumps, range FB4, are for clean water for 4” wells DN 100.
The extraordinary simplicity in the construction, the performances given from anti wear oating impellers and the easy installation guarantee a high quality product, long-lasting in the time.



  • micro-cast stainless steel AISI 304 upper and lower support
  • micro-cast stainless steel AISI 304 delivery bowl
  • stainless steel AISI 304 non return valve
  • stainless steel AISI 304 external sleeve
  • stainless steel AISI 304 shaft
  • stainless steel AISI 304 cable cover


  • maximum capacity: 400 l/m
  • maximum head: 392 meters
  • maximum power: 7,5 Kw
  • maximum encumbrance diameter: 98 mm
    (cable cover included)
  • maximum water temperature: 35°C
    (only for the pump, for the motor see motors’ catalogue)
  • maximum sand content: 150 g/m3

Documentation available


download >

Operating and Maintenance Manual

download >

Request information on this product

Privacy Policy* (Laws)



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