DHS Dry Heat Sterilizers


The Dry Heat Sterilizers type DHS are designed for sterilization and depyrogenation by hot air in Class 100 (ISO 5) of empty glass containers such as vials, ampoules, bottles and stainless steel parts. The inactivation and destroying of micro-organisms is by means of dry heat at 260 °C maintained for a controlled period of time.


Pre-selected and custom made programs for any need. The machine process is developed by our Automation Department following the current codes/standards and type of product to be processed. The Dry Heat Sterilizers type DHS are designed to be ISO 14664-1 comply (formal Class 100 for US Federal Standard 209 E) up to a temperature of 260 °C. The Class 100 is guaranteed during the entire cycle (heating, sterilizing/depyrogenation and cooling phases). LAST is proving such performances during the FAT by measuring the particle contains during the entire cycle (especially during the cooling phase which is the most critical due to expansion and retraction of the frames and filters). The system also guarantee an excellent distribution of the heat during all sterilization/depyrogenation phase (temperature deviation below ± 2 °C).

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