1,Famous Brand (OEM Allowed) 2,Certificates:CE,UL,RoHS,CCC 3,German technology 4,Ex stock Parameters: Item No.Motor( ... positive displacement technology and are typically used in liquid ring vacuum pump applications.but can also be used as a gas,or ... and lime scale Applicantion:1,Asphalt-thickening machines(steamrollers)2,Corrosion protection for water pipes3,Drying systems4,Dust extraction in the ...