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  •  DOLPHIN VL 0130–0320 A TOTAL RECIRCULATION, Liquid ring , Busch Vacuum Solutions

DOLPHIN VL 0130–0320 A Total Recirculation

Liquid ring vacuum pump units

The Complete Solution


Proven technology, reliable operation, corrosion-free stainless steel impeller, extremely high vapor and particle tolerance, choice of cast iron (EN-GJL-200) or 316 grade stainless steel material housings, ATEX-certified version available (Cat. 1 (i/o) IIB, T4)


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


Full recirculation of operating fluid, low operating fluid consumption, recovery of condensed vapors and process gases, isolation of cooling liquid from operating fluid, 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.