... extrusion pressure, high vacuity, double clay bars and semi-hard molding and hard molding extrusion formation. It is suitable for ... and the production with gangue, shale, low plasticity clay, etc.Main technical parameters of clay brick making machine.vacuum extruding ... ≤-0.0925PowerkW132-1606Shape sizemm6625×1800×16087Weightkg16000 compact two stage vacuum extruder ,clay brick machine, brick machinery