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The latest addition to the VirTis freeze dryer range is ideal for pilot scale bulk freeze drying
applications, particularly those which require rapid freeze-drying and high condenser loading. The
VirTual model is base upon the successful VirTis Ultra model, providing important features such as:
large shelf surface area to footprint ratio and a robust 50 litre internal coil condenser. The
standard unit measures just 127cm W x 193cm H x 99cm D.
The VirTual model is capable of condensing 20 litres of water in 24 hours, preventing any vapour
impedance during bulk drying. Although the condenser is an internal coil, the chamber has been
specifically designed to allow the condenser to be isolated, this enables pressure rise tests to be
carried out to give an indication of the end of drying. This is achieved by lowering the bottom shelf
of the unit, which effectively seals off the condenser from the rest of the chamber.
The VirTual can be supplied with 4 to10 shelves, providing up to 1.42m2 of shelf area. Latching kits
are also available which allow for easy change of shelf spacing to suit different requirements. All
units are available as either bulk configuration or with hydraulic stoppering. There are three
different refrigeration options available, offering condenser temperatures from -53ºC to -90ºC
and low shelf temperatures of -48ºC to -70ºC. All condensers are fitted with a hot gas defrost
system to ensure fast turn-around. Flexibility, impressive processing power and a small footprint make the
VirTual freeze dryer the ideal, competitively priced option for pilot scale bulk freeze drying
applications.
For more information on the VirTual freeze dryer,
click here.
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