... characteristics of novel structure, advanced technology, high productivity, huge extrusion pressure, high vacuity, double clay bars and semi-hard molding and ... It is suitable for the production of high aperture rate hollow brick, high adulteration fly ash agglomeration brick and the ... Vacuum degree Mpa ≥0.092 Power KW 132-160 Overall size mm 6625×1800×1608 Weight kg 15000 Compact Double Stage Vacuum ...