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  • DOLPHIN LB 0526/0726 A , Liquid Ring Vacuum Pump , Busch Vacuum Solutions

DOLPHIN LB 0526/0726 A

Liquid ring

Reliable Vacuum for a Variety of Chemical Processes


Proven technology, durable two-stage construction


Extremely high vapor and particle tolerance


Wide range of construction materials, including cast iron (EN-GJL-200), many grades of stainless steel and even titanium, ATEX-certified version available (Cat 1(i)/2(o) IIC T5), operating fluids other than water possible, operation as compressor possible

Technical specifications

Markets & applications

Chemical and pharmaceutical industries
  • Filtration
  • Evaporation
  • Distillation
  • Drying
  • Solvent recovery
  • Pneumatic conveying
Electric power generation
  • Condenser air extraction
Food processing
  • Beverage filling
  • Meat cutters
  • Meat tumblers
  • Meat marinators
  • Vacuum cooling
  • Powder processing
  • Pneumatic conveying
  • Freeze drying
  • Sterilizing
  • Pasteurizing
Oil and gas industry
  • Petroleum refining
  • Mud transfer
  • Vent gas recovery
  • Seawater deoxygenation
  • Crude oil fractional distillation
  • Water degassing
  • Seawater deaeration
  • Water pump priming
  • Mud drying
  • Monoethylene glycol (MEG) regeneration
  • Triethylene glycol (TEG) regeneration
  • Crude oil distillation
  • Liquid packaging
Plastics processing
  • Extruder sheet/film
  • Vacuum calibration
  • Extruder compounding
  • Extruder profile
Vapor recovery
  • Railcar and truck loading
  • Storage tank venting
  • Storage tank filling
  • Vapor balancing
  • Volatile organic compounds (VOC) recovery
  • Impregnation
  • Drying


  • Partial or total recirculation systems
  • Liquid separator
  • Cavitation protection
  • Heat exchanger
  • Gas ejector
  • Wide selection of motors
  • Non-return valves
  • Vacuum relief valves

Design options

  • ATEX - for use in explosion hazard areas.