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Liverani GR Series Belt Driven Flexible Impeller Pumps

Liverani GR Series Belt Driven Flexible Impeller Pumps

The GR series pairs Liverani's flexible impeller pump head with a pulley/belt reduction drive, mounted on either a fixed stainless base or a mobile trolley; the go-to setup for crush pads that need a pump to move between tanks, bins and the crusher-destemmer during vintage.

The belt reduction lets the pump run at genuinely low speeds for the gentlest possible handling of whole berries, must and stemmed grapes, while multiple pulley/motor combinations let you tune the flow rate to the job; slow and gentle for must, or faster for bulk wine transfer between tanks. The trolley option (with wheels) is a favourite with AU/NZ wineries wanting one pump they can wheel around the crush pad and cellar as vintage demands shift day to day.

Ideal for: crush pads and cellars wanting a mobile, low-speed pump that can be wheeled to wherever vintage work is happening.

Size Options:

Variant

Weight (base/trolley)

Speed Range

Max Flow (l/h)

Max Head

GR Minor 40

36–46 kg

235–700 rpm

up to 6,300 l/h

24 m

GR Major 60

42–53 kg

235–700 rpm

up to 18,000 l/h

20 m

GR Maxi 80

65–67 kg

300–600 rpm

up to 43,800 l/h

16 m

Mounting variant: On fixed base / On mobile trolley. Add-on variants: impeller material, seal type, connection type.

If you are unsure which pump is right for your application, contact the Vitis & Winemakers team with details of the product you need to transfer, the required flow rate and your operating conditions. We can help you identify the most suitable pump technology and configuration for your needs.

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Specifications

•Construction: AISI 304 stainless steel wetted parts (AISI 316 optional)
•Drive: Belt/pulley reduction, single or two-speed electric motor (single-phase or three-phase)
•Mounting: Fixed stainless steel base, or mobile stainless steel trolley
•Self-priming: Yes
•Impeller options: Natural Rubber (NR), Neoprene (CR), EPDM, Nitrile (NBR), Silicone (VMQ)
•Mechanical seal options: Tungsten Carbide–NBR or Tungsten Carbide–Viton
•Connections: DIN 11851, Triclover, SMS, BSP-M/F, Macon, Garolla, Friederich, BSM/RJT
•Suitable fluids: wine, must, must & stemmed grapes, pomace, lees, juice, viscous/delicate fluids
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