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Gruenberg Pharmaceutical Oven Model T55H138.3 for Depyrogenation and Sterilization

Model Number: T55H138.3

Depyrogenation Oven / Dry Heat Sterilizer Construction
Each Gruenberg depyrogenation oven , and dry heat sterilizer is rigid in construction. All ovens and sterilizers are built around a welded structural steel frame for long-term durability. Between the inner and outer walls of the oven, 4" of high performance insulation helps retain heat. The exterior of the oven is constructed of 16 and 18 gauge 304 stainless steel with a #4 polish to withstand frequent wash downs. The interior is constructed of 304L, or if required, 316L.

Gruenberg Temperature Uniformity
Standard sterilizers are rated for 250C depyrogenation. Multiple heater banks are designed to bring the oven load to sterilization temperature quickly and hold it economically. A digital proportioning controller will hold the oven / sterilizer temperature with a uniformity of 5C. That's 10C tighter uniformity than the generally accepted CGMP of 15C.

Dry Heat Sterilizer Airflow
A high volume horizontal airflow is used for superior temperature uniformity. Sterilizers are only shipped after the airflow tolerances have been finely tuned and checked by a multi-point uniformity test that samples a minimum of 12 points within the chamber. Gruenberg ovens use a distinct perforated side wall that allows fine tuning of the airflow.

Gruenberg HEPA Filtration
To keep the process chamber at class 100 quality, HEPA filters are installed on the air intake, the exhaust and in the recirculation wall. The HEPA filters are a minimum 99.97% efficient at 0.3 microns. The Gruenberg Oven design affords easy access to filters for validation and maintenance.

Additional Dry Heat Sterilizer Features
Most sterilizers are designed for pass-through operation and are installed between sterile and non-sterile classified areas. An automatic door interlock system prevents unloading until the sterilizing and cooling cycles have been completed. Forced cooling helps shorten the cool-down period. The door and loading tracks are elevated so that a proper seal can be made at the bottom of the door. Each dry heat sterilizer is designed for easy use and maintenance. Side walls and loading tracks are easily removable for cleaning.