Large Steam Sterilizers / Autoclaves The Azteca A sterilizers utilize steam under pressure as the sterilizing agent for wrapped or unwrapped goods such as fabrics, surgical instruments, utensils, and other heat and moisture stable materials at temperatures from 121°C to 134°C. Available in a variety of sizes from 100 liters up to 780 liters (10 STU). The Azteca A sterilizer family consists of completely automatic pre and post vacuum sterilizers leading with the maximum quality to cover a broad field of applications for hospitals, as well as pharmaceutical and bio technological industries. The square chamber is made of stainless steel 316L, while the external frames, internal frame and piping system feature stainless steel construction. The units can be appareled with internal steam generators to enable faster cycles with well-organized energy consumption, and eliminate the dependence on an external steam source and its steam worth.