Freeze Dryers used for processing pharmaceutical and viral products require sterilization between freeze drying runs. The most common form of sterilization is steam sterilization. Not only do steam sterilizable freeze dryers have to be capable of maintaining a full vacuum they also need to be capable of maintaining high temperature and high pressures, which requires special design consideration and construction. Millrock Technology provides steam sterilizable freeze dryers with either a cylindrical or rectangular chamber, to best fit the price and performance requirements of the application.
•All wetted components 316L stainless steel
•Validation port included
•Sterilization temperature: Controllable 121-125 degrees C
•Evacuation and drying: Water ring pump
•Insulation: High temperature CFC-Free foam with a stainless steel shroud around both chambers
•Filter: 0.2 micron Sartorius with integrity testing ports
•System cooling to ambient and drying in less than 2 hours using the refrigeration system and a liquid ring pump
•Slope to drain
•Cylindrical Chamber up to 80 sq ft
Typical Operations Specifications for Steam Sterilizable Freeze Dryers
| Condenser Cool Down |
< 10 minutes to –50 C |
| Defrost Time |
< 30 minutes |
| Ultimate Vacuum |
5 mT |
| Vacuum Pull-Down |
< 20 minutes to 100 mT |
| Vacuum Leak Rate |
< 3 x 10-2 mbar-liter/sec |
| Shelf Cooling (20 C to –40C) |
<40 minutes |
| Shelf Heating |
> 1 C/min |
Steam Sterilizable Freeze Dryers Features
| Control System PLC |
Opto 22 or Allen-Bradley |
| Shelf Temperature Range |
-60C to +65C (+80C option) |
| Shelf Heat Transfer |
Hollow Fluid Filled |
| Shelf Material and Finish |
316L, 20 Ra or better |
| Shelf Area |
8 sq ft to 10 sq ft |
| Shelf Assembly |
Bulk or Hydraulic Stoppering |
| Condenser Temperature |
-75 C |
| Chamber Configuration |
Cylindrical or Rectangular |
| Chamber Rating |
AMSE, IE: 25 PSI at 128 C |
| Condenser Style |
Coil or Plate |
| Compressors |
Two StageCarlyle, Bitzer, Mycom (screw) |
| Defrost |
Steam |
| Vacuum Pump |
Leybold Rotary Vane or Dry Pumps |
| Vacuum Control |
Capacitance Manometer with Solenoid/Needle Valve |
| Gas Backfill |
Included |
| Product Sensors |
One per shelf standard |
| Water Ring Pump |
Nash-Elmo |
| Frame |
Welded and Painted |
For a complete list and comparison of all our Freeze Dryers, please visit our main Freeze Dryer page.
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Millrock Technology is one of the world's premier freeze dryer / lyophilizer equipment companies. Since 1957 the Millrock team has been developing freeze drying / lyophilization systems to satisfy applications from the laboratory to cGMP production. Millrock’s founding team has over 100 years combined experience designing, manufacturing and supporting freeze-drying equipment. By combining their application and design knowledge with unique manufacturing abilities, Millrock Technology is able to offer the highest quality products at the best prices. As the science and
equipment of freeze drying continues to evolve….Millrock freeze dryers are continuously updated with the latest features and technology to provide optimum performance. Whether you are developing protocols or simulating production systems, Millrock has the right freeze dryer / lyophilizer for you.
We focus on one technology and one market to best satisfy our customers' needs.
Millrock Technology
39 Kieffer Ln
Kingston, NY 12401
PH: 845-339-5700 / FX: 845-339-7557
www.millrocktech.com
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