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Rotary lobe pumps are ideal for handling liquid fats, such as vegetable oils, animal fats, and lard, due to their ability to handle high viscosities (up to 1,000,000 cP) and shear-sensitive products. These pumps provide consistent, hygienic, and non-pulsating flow, crucial for transferring hot fat and preventing solidification.
Key Considerations for Pumping Liquid Fats:
- Viscosity & Temperature: While melted lard can be thin, ground fat can reach 22,000 cP. Heated pumps (like Börger BLUEline pumps) are recommended to prevent fat solidification.
- Material Selection: Stainless steel (316L) is preferred for edible fats to meet hygienic standards.
- Seal Options: Lip seals in Teflon are suitable for greasy or oily products.
- Rotors: Different rotor designs, such as Bi-wing or Tri-lobe, are chosen based on the fat's viscosity and suspended solid content.
Popular Rotary Lobe Pump Solutions:
- Bonve Fat Transfer Pumps: Specifically designed for handling recycled animal fats and vegetable oils for animal feed.
- Viking Pump 1124C/1224A Series: Cast iron pumps suitable for animal feeds, with hardened material options and O-Pro barrier seals, available from distributors.
- Tapflo Hygienic Lobe Pumps: Suitable for delicate edible fats due to gentle action.
- Boysser LB Series: Suitable for high-viscosity, solids-laden fats, and industrial applications.
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Web results
Rotary Lobe Pumps For Animal Feed Solution
BONVE PUMPS
https://www.bonvepumps.com › Food processing
BONVE PUMPS
https://www.bonvepumps.com › Food processing
Bonve positive displacement pump has rotary lobe pumps designed for pumping different liquid fats. We named these pumps are Fats Transfer Pump. Recycled animal ...Read more
Hygienic rotary lobe pumps
Tapflo
https://tapflo.com › Home page › Pump Insights
Tapflo
https://tapflo.com › Home page › Pump Insights
Sep 1, 2025 — This unique construction makes lobe pumps suitable for transferring dense and high viscosity media with fragile structures and low noise levels.Read more
Heated Börger Rotary Lobe Pump for Conveying Fats with ...
Fluid Handling Pro
https://fluidhandlingpro.com › news › heated-borger-ro...
Fluid Handling Pro
https://fluidhandlingpro.com › news › heated-borger-ro...
The rotary lobe pumps are especially suitable for conveying different media. Liquid as well as viscous or abrasive pumped media can be conveyed effortlessly, ...Read more
Rotary Lobe Pumps
AxFlow
https://www.axflow.com › ... › Products › Pumps
AxFlow
https://www.axflow.com › ... › Products › Pumps
Because the lobes do not come into contact, the rotary lobe can handle a range of fluid viscosities and solids-laden media. This means that clearances between ...Read more
SSP Rotary Lobe Pumps
Verder Liquids
https://www.verderliquids.com › SSP › Documents
Verder Liquids
https://www.verderliquids.com › SSP › Documents
PDF
D Series offer high efficiency transfer of low, medium and high viscosity pumped media. Series D pumps offer lower installation cost compared to other pump ...Read more
16 pages
Useful Information on Lobe Pumps
Michael Smith Engineers Ltd
https://www.michael-smith-engineers.co.uk › useful-info
Michael Smith Engineers Ltd
https://www.michael-smith-engineers.co.uk › useful-info
Rotary lobe pumps are non-contacting and have large pumping chambers, allowing them to handle solids such as cherries or olives without damage. They are also ...Read more
Liquid Fat Pumping Solutions
YouTube · Viking Pump®
790+ views · 4 years ago
YouTube · Viking Pump®
790+ views · 4 years ago
Viking Pump has positive displacement pumps designed for pumping different liquid fats.
Five new Rotary Lobe Pumps for mobile water treatment ...
North Ridge Pumps
https://www.northridgepumps.com › Resources
North Ridge Pumps
https://www.northridgepumps.com › Resources
Gentle fluid transfer - The lobes never come into contact with each other. · - They can handle both low and high viscosity fluids, as well as liquids with ...Read more
LB Series Industrial Rotary Lobe Pumps - Boyser
boyser.com
https://www.boyser.com › Products › Lobe pumps
boyser.com
https://www.boyser.com › Products › Lobe pumps
The LB series lobe pumps are industrial pumps with rubberized rotors, self-priming, reversible and suitable for fluids of any viscosity.
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Web results
Liquid Fats - Leader in Positive Displacement Pumps
Viking Pump
https://www.vikingpump.com › liquids › liquid-fats
Viking Pump
https://www.vikingpump.com › liquids › liquid-fats
Viking Pump, a Unit of IDEX Corporation, leads the world in the design and manufacture of rotary Positive Displacement Pumps for use in some of the toughest ...Read more