... vaccum fleetly,enduring especially strong pressure.The wasted oil of tray,via the unklateralism valve device flow into the tank, ... ,collecting the wasted oil into the tank from the tray,at the same time,change the height according to ... capacity70 LChamber capacity10 LCompression ratiopump1:1 Type is 33060Degree of vacuum0.095MpaAir pressure for vacuum8 barDepressurization time2 minNoise level75 ...