Alfa Laval's Rotary Lobe

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Alfa Laval’s series of rotary lobe pumps are designed for the gentle pumping of viscous fluids. They have shown reliable performance amid moving low, medium, and high-viscosity products. Their robust construction, modular design, and flexible configuration contribute to the pumps’ process flexibility and overall efficiency. They use high-precision rotors and have low-shear action, making these pumps the best equipment for handling sensitive process fluids in many industries.


Abaque Peristaltic Pump HD25 model

Design Advantages

  • Reliable transfer performance with minimal maintenance
  • Efficient operation amid continuous processing
  • Gentle and low-shear to preserve product quality
  • Hygienic features that meet hygienic standards
  • Versatile pumps for clean to difficult fluids
  • Made of high-quality materials for longer life

Available Options

We customise pumps according to your specific application. Get in touch with us today to get a complete list of your options.

  • Pharmaceutical grade models come with Alfa Laval Q-doc documentation package for full supply chain transparency and traceability
  • Spare parts
  • Mounting

Key Specifications

MODEL 10 sizes 12 sizes 14 sizes
MAX FLOW 77m3/h 106m3/h 115m3/h
MAX PRESSURE 800 kPa (0.8MPa) 2 MPa 1.5 MPa
MAX INLET/OUTLET 100 mm 150 mm 150 mm


  • Dairy
  • Food
  • Beverage
  • Personal care
  • Biotechnology
  • Pharmaceutical


Talk to Experts
Abaque Peristaltic Hose Pump HD100 model


Abaque Peristaltic Hose Pump HD 10 or HD20 model


Abaque Peristaltic Hose Pump HD 10 or HD20 model



Alfa Laval Rotary Lobe Pumps are conventional in design and operation. There are no internal contacting parts in the pump head. The rotors are driven by a gear train providing accurate synchronization or timing of the rotors. The rotors contra-rotate within the pump head carrying fluid through the pump, in the cavities formed between the dwell of the rotor and the interior of the rotor case. In hydraulic terms, the motion of the counter-rotating rotors creates a partial vacuum that allows atmospheric pressure or other external pressures to force fluid into the pump chamber. As the rotors rotate, an expanding cavity is formed and filled with fluid. As the rotors separate, each dwell forms a cavity. The meshing of the rotor causes a diminishing cavity with the fluid being displaced into the outlet port.

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