... : length 6.3 m, span of 3 meters, the overall structure for the doubleSieve tube: a length of 1.3 meters, diameter ... .2 m, mesh aperture of 1 cm, the double layer structure, the maximum feed size of 150 mm, capable of separation ... highways, railways, bridges, high standards of engineering used for the ideal equipment for separation of sand stone. Note:Special machines can be ...