hollow bricks maker,vacuum extrusion clay brick machine brick forming machine All Steel Double Level Vacuum Extruder is used to make the worked materials through burden, crush and mill, then do the further mix, extrusion, exhaust, and extrude the adobe strips in the certain geometrical figure shape. Then they are cut through to the various adobes. This machine applies to manufacture multifarious hollow bricks and general bricks for pint-sized and medium-sized tile ente Technical ParametersYield 12000-16000 Block/hReamer Diameter500mmExtrusion Pressure 3.0MpaVacuum Degree≤92%Motor power55KW+160KWOverall Dimensions (mm) 6572×2054×2504