TX2v275 two stage oil rotary vane vacuum pump 2v275 two stage oil rotary vane vacuum pump Pumping speed (50/60hz):255/306 m3/h Motor power: 7.5kw Voltage: 220/240v; 380/415v three-phase Limit vacuum of opening gas ballast valve: 5 × 10-3mbar Limit vacuum of closing gas ballast valve: 5 × 10-4mbar Air inlet: four quartered M10 screw holes with a positioning circle of 105mm Exhaust port: four quartered 8 screw holes with a positioning circle of 70mm Weight: 225kg Oil volume: 18L Volume (mm):1162 × five hundred and ninety-nine × six hundred and thirty-three Noise: 70dB