1.油润滑旋片式真空泵U4.20,U4.40/09,U4.70F/K),U4.100F/K,U4.165F/K,U4.250F/K,U4.70SA/K,U4.100 SA/K,U4.165SA/K,U4.250SA/K抽速:18~638m3/h真空度:0.5~3mbar2.无油旋片式真空泵VT4.4,VT4.25,VT4.40KVT3.60,KVT3.80,KVT3.100,KVT3.140VTLF200~VTLF500抽速:4~40m3/h 55~129m3/h 178~498m3/h真空度:100~250mbar3.无油旋片式压力/真空泵T4.25DSK~T4.40DSKDVT3.60~DVT3.140抽速:25~137m3/h真空泵压力:正负600mbar