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DFR Series

Freeze Drying/Vacuum Drying

Compact Freezing/Vacuum-Drying Systems
DFR Series

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s-DFR3

Freezing/vacuum-drying systems for low-volume production and research by the pharmaceutical industry require space-saving designs, low cost and high functionality. ULVAC has released the DFR Series to meet these demands. These models have outstanding temperature control, so can also be used with fine materials such as ceramics for the electronics industry.

Features

  • Touch-panel operation, operation display, warning display, maintenance display
  • Shelf temperatures can be controlled by programs.
  • Completely automatic operation
  • Electronic expansion valve is provided standard.
  • Shelf plates are temperature-controlled by circulating a heating medium.
  • Use of new R-404a refrigerant helps protect the environment.

Applications

  • Low-volume freeze-drying processes for pharmaceutical products and fine materials

Specifications

DFR-5N-B
Pre-freezing temperature -35ºC to -40ºC
Cold trap temperature -40ºC to -45ºC
Temperature regulation range while drying -30ºC to +70ºC
Final pressure 6.7Pa
Drying tank type Cylindrical horizontal type, with manually operated front-panel door
Drying tank material SUS304 (inner surface coated with epoxy)
Shelf plate type Shallow box type, with circulating heating medium
Shelf plate material SUS304
Shelf plate dimensions (mm) 395W x 693L
Effective number of shelf levels 2
Tray dimensions (mm) 340W x 310L
Number of trays 4
Cold trap water supply volume 5 kg/batch
Cabinet dimensions (mm) 840W x 1240L x 1700H
Options Digital eutectic point gauge
Alternate materials
Drying tank, cold trap leak filter
Main valve
Manifold

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