Product description: "Jinniu brand" series double stage vacuum extruder is the new brick making equipment designed and manufactured by our factory through several researches and use of domestic and international advanced experience. The main frame is welded by using high-quality steel, and has the features of rational structure, solid and durable properties, strong adaptability, low energy consumption, high efficiency, and easy maintenance and so on. It is the ideal equipment for production of various hollow brick, shale, coal gangue and coal ash. Main technical parameters: (standard) blockhrForming moisture MPa Kw JKY60/60-4018000-2400014%∼16%≤0.09290+200+7.522*JKY55/55-4014000-2000014%∼16%75+160+7.5 (22)*JKY50/50-4012000-1600014%∼16%55+132(160)+5.515*JKY50/50-3513000-1800015%∼18%55+132+5.515*JKY45/45-3511000-1500016%∼20%55+110+5.515*JKB40/40-308000-10000 18%∼20% 45+90+5.515*Note: the shown value of production capacity is in connection with the actual nature of raw materials; power with * is the power of vacuum pump motor; power of gas source is not included. Advantages: all-steel welded structure, floating spindle, wear-resistant high-chromium alloy hub. The personalized rimer which is newly designed according to the nature of raw materials has the features of high output, low power and excellent performance.