... hence to a considerable reduction in the performance of the pump. Elmo Rietschle liquid ring pumps, however, meet these ... :1,Asphalt-thickening machines(steamrollers)2,Corrosion protection for water pipes3,Drying systems4,Dust extraction in the mining industry5 ... fat from particies in hydrocarbons11,Systems to lower the water table Show: L-series liquid ring vacuum pump,ceramic coating water ring pump