... cummins engine co., LTD The Equipment:1.Equipped with special vacuum pump(rating rotate speed=1400r/m,min rotate speed ... >800r/m, max suction lift>6m, vacuum>500mmHg, clockwise)Equipped with power take off, transmission shaft, high pressure ... taking the force transmission device by rotary vane pumps, vacuum pump (, with domestic leading technology big suction) oil and gas separation ...