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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, UK-plug 2,5 2 305×454×423 mm 1 - LBCP7670560
Supplier Article Number:: 7670560
FreeZone® 2,5 bench top, PTFE-coated stainless steel collector chamber and coil, UK-plug 2,5 2 320×455×429 mm 1 - LBCP7670561
Supplier Article Number:: 7670561
FreeZone® 6 bench top, PTFE-coated stainless steel collector chamber and coil, UK-plug 6 4 808×714×368 mm 1 - LBCP7752061
Supplier Article Number:: 7752061
FreeZone® 6 bench top, without chamber, UK-plug 6 4 808×714×371 mm 1 - LBCP7752060
Supplier Article Number:: 7752060

Drying chambers for Freezone® freeze dry systems
Description Pk VWR Catalog Number Quantity
12-port drying chamber, stainless steel 248×203 mm, for Freezone® 2,5, 6, 12 and 18 1 LBCP7522800
Supplier Article Number:: 7522800
16-port drying chamber, stainless steel 330×330 mm, for Freezone® 6, 12 and 18 1 LBCP7522900
Supplier Article Number:: 7522900
Clear acrylic chamber for bulk drying, with lid, 345×427 mm, for Freezone® 1, 2,5, 4,5, 6, 8, 12 and 18 1 LBCP7318702
Supplier Article Number:: 7318702
Clear acrylic chamber for bulk drying, includes aluminium lid and 8 neoprene valves with plastic knobs for use with both 1/2” and 3/4” adapters, 442×389 mm, for Freezone® 1, 2,5, 4,5, 6, 8, 12 and 18 1 LBCP7318802
Supplier Article Number:: 7318802
Tall clear acrylic chamber for bulk freeze drying, includes aluminium lid and 8 neoprene valves for use with both 1/2” and 3/4” adapters, (requires shelves to operate) 442×584 mm, for Freezone® 1, 2,5, 4,5, 6, 8, 12 and 18 1 LBCP7318800
Supplier Article Number:: 7318800


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Description Pk VWR Catalog Number Quantity
Mini Stoppering Chamber, attaches to a port on a Labconco drying chamber or manifold (sold separately), to stopper small vials (up to 30 ml each), includes 432 mm of clear PVC tubing. 1 LBCP7569000
Supplier Article Number:: 7569000
Stainless steel lid, for 1, 2,5, and 4,5 l systems, Ø 257 mm 1 LBCP7386800
Supplier Article Number:: 7386800
Glass lid, for 4,5 l systems, Ø 257 mm 1 LBCP7439903
Supplier Article Number:: 7439903
Removable shelves, small, aluminium, W×D×H: 277×264×249 mm, weight: 2,5 kg for use with drying chambers 1 LBCP7317100
Supplier Article Number:: 7317100
4-Port manifold, 304 stainless steel with four neoprene valves and latching pin, accomodates both 1/2” and 3/4” adapters for connecting flasks 1 LBCP7201700
Supplier Article Number:: 7201700
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