... the lubricating oil go into container Specifications 1,2X Series Two-stage Rotary Vacuum Pump2,Speed of exhaust: 2-70L/S3,Ultimate ... .0*0.01Pa4,Power:0.37-5.5KWDetails :2X Series Two-stage Rotary Vacuum Pump1,Technical Parameter:Speed of exhaust:2-70L ... , which working performance is composed of high pressure stage and low pressure stage. Its suction nozzle is connected to vacuum container or ...