The machine is completely made of stainless steel SUS304. BVBJ-300 vacuum mixer is the dual-shaft type mixer, which also features propulsive discharge. Manual opening or pneumatic opening of the cover can be chosen. It is equipped with time setting function for moving forward, backward and pause. Different mixing paddle can be provided based on requirements. Safety guards are installed on the discharging area and the top cover. Dimensions: 1480x980x1550 mm Capacity: 220 Kg/cycle Mixing speed: 21/31 rpm Volume: 300 L Pressure from air source: 0.4~0.8 MPa Vacuum pressure: 0.055~0.08 Mpa Weight: 500 Kg