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Laboratory Freeze Dryers

Photo of one of the types of freeze dryers sold by Hitechtrader.com

Freeze Dryers

Freeze-drying (also known as lyophilisation, lyophilization, or cryodesiccation) is a dehydration process. It’s typically used in the Pharmaceutical, Biotech, Food, and Agriculture-based industries to increase shelf life, preserve structural and chemical integrity/composition, and or make a material more convenient for transport. A freeze-dryer is a device that uses this dehydration process to freeze a material and then reduce the surrounding pressure to allow the frozen water in the material to sublimate directly from the solid phase to the gas phase.

 

There are three categories of Freeze-Dryers: the manifold freeze-dryer, the rotary freeze-dryer, and the tray style freeze-dryer. There are two components that are the same in all three types: a vacuum pump to reduce gas pressure, and a condenser to remove the moisture by condensation. The three different types of freeze-dryers differ in method by which the dried substance is interfaced with a condenser.

 

Rotary freeze-dryers are usually used for drying pellets, cubes and other pourable substances. The rotary dryers have a cylindrical reservoir that is rotated during drying to achieve a more uniform drying throughout the substance. Manifold freeze-dryers are usually used in a laboratory setting when drying liquid substances in small containers and when the product will be used in a short period of time. Tray style freeze-dryers are typically larger than the manifold dryers and are more sophisticated. Tray style freeze-dryers are used to dry a variety of materials. A tray freeze-dryer is used to produce the driest product for long-term storage.

Top Freeze Dryer Equipment Manufacturers

HiTechTrader offers a variety of freeze-dryers. Labconco and MillRock Technology are excellent manufacturers.

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002170408

MillRock Technology Freeze Dryer BenchTop Maniflold

    Price: $7,000.00    

MillRock Freeze Dryer BT85A

MillRock Technology BenchTop Manifold Freeze Dryer model BT85A. Max temp -85 C. Condenser capacity; 2 ltr in 24 hours.120v, 20a. Manifold dryer with 10 ports.Hot gas defrost.
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001140501

Labconco Freeze Dryer Model Freeze Zone 12

    Price: $5,999.00    POD Price: $5,000.00    

Labconco Freeze Dryer Model Freeze Zone 12 is a 12 port collector with capacities that reach -84C with an Alcatel 2008A - 7 CFM vacuum pump. Removes up to 4 liters of water in 24 hours  It is 230 / 208 with 60 Hertz and 11 amps.

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007110707

Virtis 2 Port Vacuum Bucket Model 6212 0010

    Price: $400.00    

Virtis 2 Port Vacuum trap - Model 6212-0010. Depth 6 1/2, Inside Diameter 4 3/4. Outside Diameter 7 1/2 inches.



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003100521

Labconco Freeze Dryer Model Freeze Zone 12

    Price: $4,799.00    POD Price: $2,000.00    

Labconco Freeze Dryer Model Freeze Zone 12 is a 12 liter collector with capacities that reach -48 C with an Alcatel Type Zm 2008A - 7 CFM vacuum pump. It is 230 /208 with 60 Hertz and 7 amps.



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210700307

Labconco Freeze Dryer Model 5

    Price: $1,999.00    POD Price: $1,000.00    

Labconco Freeze Dryer Model 5 is a 24 vacuum port system.  There is no drive vacuum pump.  Please note that the cover for the meter is missing and the needle may be damaged. The cooling system works which makes this a great parts unit.

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