Please update your browser.

It looks like you are using an old version of the Microsoft Edge browser. To get the best experience with the Busch website, please update your browser.

  • dolphin_lr_0140_a

DOLPHIN LR 0110/0140 A

Liquid ring

Our Largest Liquid Ring Vacuum Pumps


Proven technology, reliable operation, extremely high vapor and particle tolerance, specially designed for challenging environments like mining, power plants, sugar production, pulp and paper industry, steel production etc.

High performance

High-capacity, high pumping speeds


Modular design, choice of cast iron (EN-GJL-200) housing with ductile cast iron impeller or all 304 grade, or 316L grade corrosion-free stainless steel material, operating fluids other than water possible, operation as compressor possible

Technical specifications


  • Motorized pumpsets, with gearbox or V-belt drive system
  • Sturdy, steel mounting baseframes
  • Partial or total recirculation systems
  • Cavitation protection
  • Gas ejector
  • Non-return valves
  • Vacuum relief valves
  • Temporary inlet screens (for commissioning)