LN2 Dewar, with Canisters

CryoMajor Series Dewars are designed for liquid phase storage of biological samples in straws. The liquid nitrogen storage capacity range is from 2 liters to 50 liters. Round canisters are provided as standard. 

CryoMajor series Dewars are space-saving and light in weight. Ultra-low liquid nitrogen consumption is also an advantage of this series.

Roller base is available for Dewars capacity not less than 30 liters.


1. Supplied with round canisters

2. Ultra-low liquid nitrogen consumption

3. Space-saving and light in weight

4. TWO Year Parts Warranty, FIVE Year Vacuum Warranty

Structure Diagram:

ModelCryoMajor 2/35CryoMajor 3/50CryoMajor 6/50CryoMajor 10/50CryoMajor 10/80CryoMajor 13/50LCryoMajor 15/50CryoMajor 16/80CryoMajor 20/50LCryoMajor 20/80LCryoMajor 30/50LCryoMajor 30/80LCryoMajor 35/50LCryoMajor 35/80LCryoMajor 35/125LCryoMajor 35/125TLCryoMajor 47/127LCryoMajor 47/127TLCryoMajor 50B/50L
Maximum storage capacity 
Number of canister 366666666666666106106
Canister type1-layer1-layer1-layer1-layer1-layer2-layer1-layer1-layer2-layer2-layer2-layer2-layer2-layer2-layer2-layer2-layer2-layer2-layer2-layer
Number of straws, 1/2 cc15979279279222501200792225012003984120039841200398493607300936073001200
Number of straws, 1/4 cc3451716171617164986258017164986258085322580853225808532210001640021000164002580
LN2 capacity (L)2361010131516202031.531.535.535.535.535.5474750
Static evaporation rate  (L/day)0.11 0.125 0.15 0.15 0.225 0.15 0.11 0.21 0.13 0.225 0.20 0.22 0.15 0.20 0.36 0.36 0.36 0.36 0.25 
Static holdover time (day)18 24 40 67 44 87 134 76 154 89 158 143 237 178 99 99 131 131 200 
Neck opening (mm)355050508050508050805080508012512512712750
External diameter (mm)195224300300300300396396396396451451451451451451508508508
Overal height (mm)420441488566557630618625688701681681735760805805730730777
Canisters diameter (mm)25383838633838633863386338639772977238
Canister height (mm)120120120120120276120120276276276276276276276276276276276
Weight empty (kg)
Weight full (kg)4.5 5.9 10.2 14.1 14.4 19.0 22.2 23.4 28.5 29.0 40.9 41.4 45.2 46.1 46.9 46.9 57.5 57.5 61.7 
Lockable lidYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesYes
Protection suitN/AYesYesYesYesYesYesYesYesYesYesYesYesYesYesYesN/AN/AYes
Roller base (optional)N/AN/AN/AN/AN/AN/AN/AN/AN/AN/ARB-30RB-30RB-30RB-30RB-30RB-30RB-47RB-47RB-47
Liquid level & temperature monitoring (optional)N/AN/AN/AN/AN/AN/AN/AN/AN/AN/ACryoMonitor 1000TLCryoMonitor 1000TL, CryoMonitor 2000TLCryoMonitor 1000TL

CryoMonitor 1000Real-time monitor liquid nitrogen tank temperature display and with high temperature alarm function,users can judge the liquid nitrogen level condition through the temperature 
CanisterDouble level and single level  with different diameters.
Vial CaneMade of SUS304 for 5 vials and 3 vials (2ml)
Roller BaseMade of Stainless steel for moving the liquid nitrogen tank
Liquid Level RulerTo measure liquid nitrogen level
Locking CapDifferent sizes available upon neck diameter
Transport KitFoot type and   hand type available,for 50mm or 80mm neck diameter
Cryogenic Protection Gloves38cm, 48cm and 68cm length available

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