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  • DOLPHIN LM 0100–0270 A , Liquid Ring Vacuum Pump , Busch Vacuum Solutions

DOLPHIN LM 0100–0270 A

Liquid ring vacuum pumps and compressors

Robust Principle, Modern Design


Proven technology, durable single-stage construction, corrosion-free stainless steel impeller, direct flange-mounted motor, no base frame required, integrated flow channel


Extremely high vapor and particle tolerance, optimized gas flow


Choice of cast iron (EN-GJL-200) or 316 grade stainless steel material housings, ATEX-certified version available (Cat 1(i/o) IIC T4), operating fluids other than water possible

Technical specifications

Markets & applications

Biogas handling
  • Circulation
Chemical and pharmaceutical industries
  • Filtration
  • Evaporation
  • Distillation
  • Drying
  • Solvent recovery
  • Pneumatic conveying
Electric power generation
  • Waterbox priming
  • Liquid packaging
Plastics processing
  • Dissolution
  • Pyrolysis
Wastewater treatment
  • Water priming
  • Ground water removal
  • Impregnation
  • Drying


  • Modular pumpsets, configured for once-through, partial or total recirculation of the operating fluid
  • Liquid separator
  • Cavitation protection
  • Heat exchanger
  • Gas ejector
  • Wide selection of motors
  • Non-return valves
  • Vacuum relief valves
  • Variable speed drive (only for LM 0180/0270 A)

Design options

  • ATEX - for use in explosion hazard areas.