Accessories and Ancillary Equipment

Liquid Nitrogen Storage Dewars

Janis offers a complete line of aluminum liquid nitrogen storage dewars. These dewars are available in two configurations:

One configuration includes a dewar with an NW-40 top flange and a special adapter that allows the dewar to be used with a Janis SuperTran high efficiency transfer line. The transfer line adapter includes a 1/2" o-ring compression seal to provide a pressure-tight seal around the 0.5" diameter storage dewar leg of the Janis SuperTran transfer line. The transfer line adapter also includes a pressure gauge, 4 psi safety pressure relief valve, and a vent valve that can also be used to pressurize the dewar by connecting it to a N2 gas cylinder with a regulator (cylinder and regulator are not included).

The other configuration includes a standard dewar with a LN2 withdrawal device. The withdrawal device is useful for filling smaller containers with LN2 from the Janis dewar. The withdrawal device includes a pressure gauge, safety pressure relief valve, a short Stainless Steel tube for dispensing LN2, and a shut off valve. Please note that the dewar that is configured for the withdrawal device does not have the NW-40 top flange, and is not compatible with the Janis transfer line adapter.

Click button below to enlarge view of Model LN-35 liquid nitrogen storage dewar including adapter for Janis model FHT-ST transfer line, available from Janis Research, cryogenic equipment
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Model LN-35 Liquid Nitrogen Storage Dewar 
including Adapter for Janis model FHT-ST Transfer Line
Click button below to enlarge view of LN-10 with optional liquid withdrawal device, Janis Research
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Model LN-10 Liquid Nitrogen Storage Dewar with Optional Liquid Withdrawal Device

Click button below to enlarge view of model LN-50 liquid nitrogen storage dewar including adapter for Janis model FHT-ST Transfer Line, a capacitive LN2 level sensor and a level meter.
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Model LN-50 Liquid Nitrogen Storage Dewar including Adapter for Janis model FHT-ST Transfer Line, a Capacitive LN2 Level Sensor and a Level Meter

 

Model Capacity Daily Evaporation Rate Neck Diameter Outside Diameter Height Filled Weight Empty Weight
LN-10 10 Liters 0.15 Liters 2.25" 11.25" 23" 30.3 lbs. 12.5 lbs.
LN-20 20 Liters 0.2 Liters 2.25" 15" 24.6" 60 lbs. 23 lbs.
LN-35 35 Liters 0.25 Liters 2.25" 18.5" 25" 94 lbs. 31 lbs.
LN-50 50 Liters 0.4 Liters 3.75" 18.5" 30.5" 127 lbs. 38 lbs.
LNCF-50-CE * 50 Liters 0.7 Liters 1.5" 18" 33" 150 lbs. 61 lbs.
* Model LNCF-50-CE is CE compliant for Category 1 requirements.
LN-100 100 Liters 1 Liter 3.75" 18.5" 50" 179 lbs. 69 lbs.
LNCF-100-CE * 100 Liters 1.3 Liters 1.5" 20" 43" 299 lbs. 121 lbs.
* Model LNCF-100-CE is CE compliant for Category 1 requirements.
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