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Freeze drying systems, FreeZone®

Supplier: Labconco

Designed to handle the lyophilisation needs of research laboratories. Collectors that reach −50 °C are available with capacities from 1 to 18 litres. Cascade systems in 2,5, 4,5, 6 and 12 litre collector capacities that reach −84 °C are ideal for freeze drying samples with low eutectic temperatures. The FreeZone®  −105 °C bench top freeze dryer systems are suitable for samples with very low eutectic points including ones containing small amounts of methanol or ethanol.

  • Automatic start-up; pressing one button initiates collector refrigeration and vacuum
  • LCD screen for easy to read digital readouts of vacuum, temperature and service information
  • RS232 port (on all models except FreeZone® 1 litre systems) simplifies connection to a personal computer
Lighted graphs (on all models except FreeZone® 1 litre systems) display amber then green, to indicate when temperature and vacuum levels are right for adding samples. The 2,5, 4,5 and 6 litre freeze dry systems feature an automated valve for pressure regulation to help accelerate sublimation. The audible/visual alarm alerts the user to abnormal system events. Alarm messages are displayed on the LCD.

The upright collector chamber makes defrosting easy. All models may be manually defrosted by pouring water into the upright chamber to melt the collected ice. A collector drain hose allows convenient emptying of the melted ice. Larger systems feature hot gas defrost. Moisture sensor (on all models except FreeZone® 1 litre systems) protects the vacuum pump by preventing refrigeration or vacuum start-up when moisture is detected in the collector chamber. Vacuum break valve (on all models except the FreeZone® 1 litre systems) protects the system from oil backstreaming during power outages.

Ordering information: Other models, including versions with PTFE coated collectors, and a wide range of accessories including shelves and heated shelves are available, please contact VWR for more information.

Delivery information: Supplied with 3/4" ID vacuum hose and two clamps but without pump and accessories.



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FreeZone® freeze dry systems, −50 °C
Type Ice capacity (l) Drying capacity max. (litres/24 hr) W×D×H Pk Capacity VWR Catalog Number Quantity
FreeZone® 2,5 bench top, without chamber, EU-plug 2,5 2 305×454×423 mm 1 - 535-0033
FreeZone® 2,5 bench top, PTFE-coated stainless steel collector chamber and coil, EU-plug 2,5 2 320×455×429 mm 1 - 535-0053
FreeZone® 4,5 bench top, with permanently installed 10-port stainless steel drying chamber and stainless steel collector chamber and coil, EU-plug 4,5 >2 457×470×572 mm 1 - 535-0035

FreeZone® Plus cascade freeze dry systems, −84 °C
Type Ice capacity (l) Drying capacity max. (litres/24 hr) W×D×H Pk VWR Catalog Number Quantity
FreeZone® Plus 2,5 bench top, without chamber EU-plug 2,5 1,8 384×589×429 mm 1 535-0032
FreeZone® Plus 2,5 bench top, PTFE-coated stainless steel collector chamber and coil, EU-plug 2,5 1,8 384×589×429 mm 1 531-0875
FreeZone® Plus 6 console, stainless steel collector chamber and coil and with purge valve, EU-plug 6 4,1 818×711×922 mm 1 535-0331
FreeZone® Plus 12 console, with stainless steel collector chamber and coil, with purge valve, EU-plug 12 6 818×711×922 mm 1 535-0237

FreeZone® freeze dry systems, −105 °C
Type Ice capacity (l) Drying capacity max. (litres/24 hr) W×D×H Pk VWR Catalog Number Quantity
FreeZone® 4,5 bench top, PTFE-coated stainless steel collector coil and 12-port drying chamber (Schuko-plug) 4,5 2,5 587×653×671 mm 1 535-0072

Drying chambers for Freezone® freeze dry systems
Description Pk VWR Catalog Number Quantity
Acrylic chamber for bulk drying 235×244 mm (requires shelves to operate), for Freezone® 1, 2,5 and 6 1 535-0027
Acrylic chamber with 8 valves 1/2" 235×244 mm 1 535-0028
Clear acrylic chamber with 8 valves 3/4" 305×380 mm, for Freezone® 6, 12 and 18 1 535-0029
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ACCESSORIES

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Accessories
Description Pk VWR Catalog Number Quantity
Fast Freeze® complete flask (incl. flask top, bottom and filter paper), 40 ml 1 535-0042
Fast Freeze® complete flask (incl. flask top, bottom and filter paper), 80 ml 1 531-0176
Fast Freeze® complete flask (incl. flask top, bottom and filter paper), 150 ml 1 535-0043
Fast Freeze® complete flask (incl. flask top, bottom and filter paper), 300 ml 1 535-0044
Fast Freeze® complete flask (incl. flask top, bottom and filter paper), 600 ml 1 535-0045
Adapters, borosilicate glass, 45° bend, for connecting the 12,7 mm Fast-Freeze® flask top to 12,7 mm valve ports 1 531-0177
Adapters, borosilicate glass, 45° bend, for connecting the 19,05 mm Fast-Freeze® flask top to 19,05 mm valve ports 1 535-0047
Adapters, stainless steel, 45° bend, for connecting the 19,05 mm Fast-Freeze® flask top to 19,05 mm valve ports 1 535-0048
Shelves, small, Ø×h 158×238 mm, weight of 0,68 kg 1 531-0175
Shelves, large, Ø×H 252×310 mm, weight of 0,9 kg 1 535-0244
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