Liquid Ring Vacuum Pump & Compressors – elmo Rietschle BV2 / BV7



Our L-BV7 and L-BV2 liquid ring pumps & compressors are high-powered and multi-talented machines which save space and up to 50 % in operating liquids. The machines are available in various combinations of materials such as stainless steel, bronze, ceramic and cast iron with ceramic coating. This enables them to be tailored to the respective operating requirements and thus provides long term resistance to erosion and corrosion.


  • Up to 50 % less water consumption
  • Pump body also available in full stainless steel
  • ATEX certified pumps available (L-BV2)
  • Extremely quiet and cavitation free
  • Long lasting due to ceramic coating
  • Reinforced stainless steel shafts in the pump section
  • Top quality roller bearings