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Lab Basic Research Floor Model Freeze Dryers

LGJ-20 Floor Model Freeze Dryers

The LGJ-20 freeze dryers are floor type, designed especially to lyophilize ultra low eutectic point materials. The vapor collect condenser temperature can reach up to -120C, thus, they installed a lot in drugs and chemical research laboratories.

Freestanding install and there are 3 main components in LGJ-20 lyophilizer: Main body, Drying chamber and vacuum pump. Each of them can be quick dismounted for maintenance or replacement as per investigation needs. Control of the freeze dryer is by a 7” touch screen. It real-time displays key parameters include condenser temp., product temp. and vacuum degree. You can also download the data to flash memory, by curve or table type.


Condenser Temp.


Condenser capacity.

LGJ-20 Lab Basic Research Floor Model Freeze Dryer
LGJ-20 Freeze Dryer Controller Screen


Main Body Size 580*500*720mm
Power 1340W
Condenser Temp. -55C
Vapor Collect 4L
Final Vacuum <5Pa

Drying Chamber Selection

Type A
Standard Drying Chamber with 4pcs Dia.200mm Material Trays.
Type B
Standard Stoppering Drying Chamber with 3pcs Dia.180mm Trays.
Type C
Standard chamber with 8 ports manifold, 3pcs Dia.180mm Trays.
Type D
Standard Stoppering Chamber with 8 Ports Manifold.
Type E/T
T Type rack for Ampoule bottle up to 24pcs or flask bottle up to *12pcs.
LGJ-20 Lab Basic Research Floor Model Freeze Dryer


Main Body Size 770*550*720mm
Power 1520W
Condenser Temp. -80C, -120C
Vapor Collect 6L
Final Vacuum <5Pa

Technical Features:

  • Freestanding design.
  • Freeze dryer and drying chamber 2 part. Easy assembly and maintenance.
  • Vertical cylindrical, smooth wall type ice condenser.
  • Up to 4L vapor collect capacity.
  • -55C, -80C and -120C condenser temperature.
  • Condenser can use for raw material freezing, freezing rack provide.
  • Vacuum pump individual install besides freeze dryer.
  • Vacuum pump connect freeze dryer by hose and quick loop.
  • 7" Full color touch screen monitor:
    • Real time display ice condenser & raw material temperature and vacuum degree.
    • Freeze drying curve and history curve display and exportable to U disk.
  • Manual vacuum break valve.
  • Manual defrosting water discharge valve.