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  •  DOLPHIN VL 0530–0800 A PARTIAL RECIRCULATION, Liquid ring, Busch Vacuum Solutions

DOLPHIN VL 0530–0800 A Partial Recirculation

Liquid ring vacuum pump units

The Complete Solution


Proven technology, reliable operation, corrosion-free stainless steel impeller, extremely high vapor and particle tolerance, part of the operating fluid is recirculated, fresh liquid introduced in sufficient quantity to maintain proper temperature


Unit with base frame, operating fluid separator, control system, including inlet check valve, fresh liquid supply kit, level indicator with switches, temperature and pressure indicators and cavitation protection


Choice of cast iron (EN-GJL-200) or 316 grade stainless steel material housings, ATEX-certified version available (Cat. 1 (i/o) IIB, 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
  • Liquid packaging
Plastics processing
  • Dissolution
  • Pyrolysis
  • Impregnation

Design options

  • ATEX - for use in explosion hazard areas.