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

DOLPHIN LB 0526/0726 A

Liquid ring vacuum pumps

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

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