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Flexible Impeller Pumps

Flexible vane pumps for handling viscous fluids

The flexible impeller pump, or flexible vane pump as it is otherwise referred to, is part of the positive displacement pump family renowned for its excellent dry self-priming ability. Thanks to this, it is commonly used when the installation means that a good suction lift capacity is required. Flexible impeller pumps are suitable for viscous fluids, slurries and liquids containing solids gas in low pressure applications. Read our guide to flexible impeller pumps here.

View more information about Flexible Impeller Pumps

Flexible impeller pumps are commonly utilised in the following markets:

Food processing
Cosmetics manufacturing
Shipping and marine
Chemical industry
Oil transfer

The impellers of flexible vane pumps can be made from a variety of materials to make them compatible with a range of fluids e.g. EPDM for hot fluids and nitrile for fats and oils. Thanks to its steady pumping mechanism, a flexible impeller pump provides a smooth flow at an even flow rate making it useful for filling and transfer applications. A flexible impeller pump can be ran dry for very short periods of up to 30 seconds in order to obtain a suction lift.

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Liverani FEP Flexible Impeller Pump

Liverani FEP Flexible Impeller Pump

  • Up to 44 M³H
  • Max. Head 32M
  • Max. Temp 100°C
  • DN20 - DN100 mm Outlet
  • Max. Viscosity 50,000 cP
Liverani GR Flexible Impeller Pump

Liverani GR Flexible Impeller Pump

  • Up to 44 M³H
  • Max. Head 24M
  • Max. Temp 100°C
  • 1” BSP F up to DN 100 mm Outlet
  • Max. Viscosity 50,000 cP
Liverani INV BS Flexible Impeller Pump

Liverani INV BS Flexible Impeller Pump

  • Up to 22.5 M³H
  • Max. Head 32M
  • Max. Temp 100°C
  • 1” BSP F up to 2½” RJT Outlet
  • Max. Viscosity 50,000 cP
Liverani Miniverter Flexible Impeller Pump

Liverani Miniverter Flexible Impeller Pump

  • Up to 5.76 M³H
  • Max. Head 32M
  • Max. Temp 100°C
  • ¾” BSP M up to 1½” RJT Outlet
  • Max. Viscosity 50,000 cP
Liverani RID Flexible Impeller Pump

Liverani RID Flexible Impeller Pump

  • Up to 72 M³H
  • Max. Head 40M
  • Max. Temp 100°C
  • 1” BSP F up to DN 100 mm
  • Max. Viscosity 50,000 cP
Liverani S/P & MID Flexible Impeller Pump

Liverani S/P & MID Flexible Impeller Pump

  • Up to 44 M³H
  • Max. Head 32M
  • Max. Temp 100°C
  • ¾” up to 3” Outlet
  • Max. Viscosity 50,000 cP
Liverani INV Flexible Impeller Pump

Liverani INV Flexible Impeller Pump

  • Up to 72 M³H
  • Max. Head 40M
  • Max. Temp 100°C
  • ¾” BSP M up to DN 100 mm Outlet
  • Max. Viscosity 50,000 cP
Liverani VA Flexible Impeller Pump

Liverani VA Flexible Impeller Pump

  • Up to 44 M³H
  • Max. Head 27M
  • Max. Temp 100°C
  • 1” BSP F up to DN 100 mmOutlet
  • Max. Viscosity 50,000 cP

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