1,Famous Brand (OEM Allowed) 2,Certificates:CE,UL,RoHS,CCC 3,German ... technology and are typically used in liquid ring vacuum pump applications.but can also be used as a ... and lime scale Applicantion:1,Asphalt-thickening machines(steamrollers)2,Corrosion protection for water pipes3,Drying systems4,Dust ... to lower the water table Show: L-series liquid ring vacuum pump,ceramic coating water ring ...