SLR Sanitary Rotary Lobe Pump

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The SLR rotary lobe pumps have exceptional hygienic characteristics and are suitable for pumping medium to high-viscosity products. Liquids containing sensitive solids can be pumped through the special shape of the rotors without damaging the product. In addition to handling all kinds of fluid, these pumps are also suitable for filtering and bottling applications. The SLR pumps comply to the 3-A Sanitary Standards.


Abaque Peristaltic Pump HD25 model

Design Advantages

  • Rugged cast stainless steel pump casing and cover
  • Low-pulsation tri-lobe rotors
  • Balanced single mechanical seal
  • Vertical and horizontal configurations
  • Service and maintenance-friendly

Available Options

We customise pumps according to your specific application. Get in touch with us to know all your options.

  • Mechanical seal material and flushing
  • Relief valve
  • Bi-wing lobes for solid handling
  • Heating Jackets
  • Gearbox Drive Options
  • ATEX certification
  • Mounting on Trolley or Baseplate
  • Spare parts

Key Specifications

  • Max flow: 662.2 li/100 rev.
  • Maximum working pressure: 16 bar
  • Temperature range (EPDM): -10⁰C to 120⁰C
  • Temperature SIP, max. 30 min: 140⁰C


  • Dairy
  • Beverage
  • Food
  • Pharmaceutical


Lobe pumps use two intermeshing lobes to move fluid. An expanding volume at the inlet side of the pump is created as the lobes come out of mesh. The fluid then flows into the cavity at the inlet and is trapped by the lobes as they rotate. Fluid travels around the interior of the casing in the pockets between the lobes and the casing. Finally, the meshing of the lobes forces liquid through the outlet port under pressure.

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