The scoop on Liquid Nitrogen Dewars in Northern Illinois

Liquid Nitrogen is a monochrome, unscented, noncorrosive and fire-retardant cryogenic liquid that has the same properties as the specialty gas Nitrogen. Because liquid nitrogen is noncorrosive, special materials for container construction is not necessary. Due to this, liquid nitrogen can be stored in many different types of containers. Liquid Nitrogen is distributed in varying forms of containers, [which depends on|depending on|considering]11] the volume the buyer would like to receive.

Dewars are one of the various types of containers utilized for liquid nitrogen. They can range in capacity from 5 to 200 liters. Some of the features of dewars include:


  • A pressure type liquid level gauge
  • Full tricock valve
  • Different relief devices
  • Lining to for thermal efficiency


These features tend to make the vessels safer and user-friendly.

There are a few differences in some dewars, for example portable dewars must have a strong construction and casters and are intended for low-pressure transport. Most dewars come with a loose-fitting dust cap over the outlet to block moisture from the atmosphere from clogging the neck. This also allows the gas formed from the vaporized liquid to escape.

Weldstar Specialty Gases offers a product line of liquid nitrogen dewars to simply distribute and store liquid nitrogen and other cryogenic products. To learn more on how you can purchase this and other equipment in Northern Illinois contact Weldstar Specialty Gases today.