R series

The sturdy classic

  • Self-priming even from deep pits
  • Reversible flow allows any flow direction to be used
  • Long service life thanks to high resistance to foreign matter and the use of axial wear plates made of highly wear-resistant specialty steel
  • Compact design saves space

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Agricultural technology

Agricultural technology

R series – The rugged liquid manure pump for simple applications

With the R series, Vogelsang offers rugged yet powerful pump technology for simple liquid manure technology applications. These rotary lobe pumps have a double bearing, a generously dimensioned shaft diameter and a basic selection of sizes, rotary lobes and materials. The offset arrangement of the rotary lobes ensures that the pump runs with low pulsation. The rotary lobe pumps in the R series have proven themselves especially as classic pumps for liquid manure. The Vogelsang option for reliable use is not only highly resistant to dry running, the R series also allows priming even from deep pits. The reversible flow direction reduces the number of pipes on the tanker, as the rotary lobe pump can be used both on the tanker and as a mobile unit on a base. As a result, this liquid manure pump can be used flexibly throughout the entire farm. These basic properties make the R series rotary lobe pump an ideal liquid manure pump for agricultural applications.

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With our extensive selection of lobe geometry and materials, we will find the right long-life lobe for your media, e.g. NBR, NBR white, SBR, EPDM-SL, EPDM-AL, EPDM white, CSM, FKM, PU, stainless steel oder nitrided steel. The lobes can be produced in a straight, double-wing geometry or as 3-wing; 4-wing or 6-wing, pulsation-free HiFlo lobes.

Additional information:
Alongside the standard model in abrasion-resistant gray cast iron, versions in stainless steel are stocked as well. Other options for customization include heat treatment and wear-resistant coatings for the wear plates and housing components.
Axial wear plates are made from highly wear-resistant special steel and therefore extend maintenance intervalls. They offer protection for the entire pump chamber and therefore not only simplify maintenance, but also minimize downtime. At the same time costs are minimized.

Additional information:


InjectionSystem for rotary lobe pumps by Vogelsang
The InjectionSystem significantly improves the foreign-matter resistance of the pump. It increases the efficiency and improves the suction capacity through optimized volumetric efficiency. Thanks to the InjectionSystem the service life of the pump is extended. Field trials prove a longer period of up to 2.5 times.

Additional information:

Rotary lobe pumps are positive displacement pumps. The pumping work is performed by the counter-rotating movement of two elastomer-coated rotary lobes in the pump housing. The lobes are mounted on a shaft. The shafts are driven by an external gearbox, which also contains the bearings. On the suction side, the lobe motion increases the volume, creating suction that sucks the pumped fluid into the pump. Accordingly, the rotary lobe pumps convey the medium directly. They can change the flow direction and prime actively. Thanks to the lobe principle, these pumps are suitable for particularly gentle conveying.

A range of different drive variants are available for the R series. As the liquid manure pump has a wide range of applications, we offer the following options:

Drive power via cardan shaft

  • Power transfer via cardan shaft
  • Mounted on three-point base

Drive power via hydraulic motor

  • Drive power via directly flanged-in hydraulic motor
  • No base required

Drive power via geared motor

  • Power transfer via coupling
  • Mounted on a torsionally stiff motor base

Drive power via variable speed gearbox motor

  • Power transfer via coupling
  • Mounted on a torsionally stiff motor base

Drive power via electric motor

  • Power transfer via belt drive

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