The 69 Large Capacity Series Tuttnauer Large Laboratory Autoclaves with chamber volumes from 510 to 1010 liters. The 69 series is available with the following door options: Automatic Hinged Door Horizontal Sliding Door Laboratory Tuttnauer's laboratory autoclaves are designed to meet BL3 and BL4 bio-safety levels. Furthermore, an optional Bio-Hazard system allows for an effluent decontamination cycle that sterilizes contaminated laboratory waste. Engineered with People in Mind Our quality features enable the convenience and durability needed to operate an autoclave with complete peace of mind. The fully jacketed chamber is constructed of long lasting 316L grade stainless steel with superior corrosion resistance. In addition, the generator and piping are constructed of stainless steel. The pneumatic valves are air pressure operated, reducing maintenance. They are safer and more reliable, eliminating the requirement for high voltage. In addition, if no buttons or switches are operated for four hours, the autoclave will switch to standby mode. Safety is Our Top Priority Door Safety The doors are designed with independent mechanical and digital safety features that guarantee a safe working of the sterilizer. A safety device prevents the operator from opening the door when chamber is pressurized Steam is not allowed into the chamber when the door is open A cycle will not start if the door is open or not properly closed The door cannot open until chamber pressure reaches room pressure Sliding Door Safety -The sliding door progress will automatically stop if an obstruction is detected Double Door Safety – interlocks prevent both doors from being opened simultaneously General Safety Features: Double Independent Monitoring: The combined digital and mechanical monitoring provides a cross reference and guarantees accurate results. The operator has two independent means to monitor temperature and pressure. Safety Valves: Both the chamber and the jacket are equipped with safety valves –if the pressure exceeds the allowed limit the safety valves will discharge. Built-in Steam Generator Safety: A water level monitoring system maintains a constant water level and ensures safe operation of the heaters. Emergency Shut-Off: Easily accessible emergency switches for immediate and safe shut down of the sterilizer.