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Liquid nitrogen Dewars for storage and transport, LD series

Supplier: VWR Collection
VWR®
LD series aluminium Dewars are specially designed for storage and transport (not on public roads) of liquid nitrogen and are ideal for most miscellaneous laboratory and industrial applications.

  • Lightweight, reliable and robust
  • Very easy to handle

The bigger units (LD-25, LD-35 and LD-50) are fitted with an NW50 Pneurop-flange for mounting a pressure head for LN₂ withdrawal.

The small LD-2M unit is fitted with a pouring spout.




 

ORDER

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Description Neck-Ø Pk VWR Catalog Number Quantity
Dewar, LD-2M 35 mm 1 478-0289
Dewar, LD-5 50 mm 1 478-0290
Dewar, LD-12 50 mm 1 478-0291
Dewar, LD-25 50 mm 1 478-0292
Dewar, LD-35 50 mm 1 478-0293
Dewar, LD-50 50 mm 1 478-0294
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SPECIFICATIONS

Model LD-25 LD-50 LD-2M LD-35 LD-12 LD-5
Capacity (l) 25 50 2 35 12,4 5,5
Ø×H (mm) 395×684 500×675 190×465 480×591 310×600 245×494
Weight, empty (kg) 10 17 2,7 13 8,1 4,4

ACCESSORIES

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Accessories
Description Pk VWR Catalog Number Quantity
Basic withdrawal head can be connected to any model with a Pneurop NW50 flange; small amounts of liquid nitrogen can be withdrawn from the Dewar until the inner pressure of the vessel has dropped to ambient pressure 1 478-0296
Withdrawal head for LN₂ TS model, equipped with a Pneurop NW50 flange, filling/withdrawal valve, pressure build-up valve, relief valve set at 0,5 bar and pressure gauge 1 478-0297 Unavailable
Transfer elbow with phase separator, can be mounted on the withdrawal valve of the TS head 1 478-0298
Withdrawal tube with deflector shield and phase separator (can be mounted on the withdrawal valve of the TS head), flexible not included 1 478-0299
LN₂ level indicator stick, 62 cm long, with grading in cm and inches 1 478-0300
Low level alarm, with voltage-free contact, warns user of any imminent shortage of nitrogen inside the container; fits on all models, probe to be fixed on the canister to desired length 1 478-0304
Phase separator, Ø×H: 30×100 mm 1 478-0316
Standard flexible hose; 1,20 m, 2× female ¾" connections 1 478-0315
Standard flexible hose; 2 m, 2× female ¾" connections 1 478-0371
Standard flexible hose; 3 m, 2× female ¾" connections 1 478-0372
Electrical LN2 pump, model 405; fits on NW50 flange of LD25 and LD35: For pumping of small quantities of LN2 (max. 5 l LN2 per cycle) 1 478-0368
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