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Dewar Flasks

CF Series

One word can be used to describe this product line… “flexible.” This product can fulfill many different applications.

Historically, dewar flasks have been a lab tool. Today this product has found its way into the outer reaches of industry and many other technology sectors. Old-fashioned quality coupled with the latest techniques in thermal efficiency are Cryofab’s claim for each dewar flask manufactured.

Listed here are the many standard sizes of dewar flasks to choose from (PDF). This does not begin to scratch the surface as to the many different configurations that have been fabricated over the years.

Features of Dewar Flasks

Features of Dewar Flasks

  • Double-walled, stainless-steel construction
  • Multilayer insulation in the vacuum annulus
  • All welded construction
  • Sizes from 4.5″ to 96″ internal diameter
  • Depths to 20 feet
  • Applications include research, industrial and all technology sectors
  • One-year warranty on vacuum
  • Many custom options

Click here to see available sizes & specifications (pdf)

Many Different Configurations Available

Available dewar sizes & specifications (pdf)

We Can Fabricate Larger Capacities to Customer Specifications

See the Customize it below for some of the available options.

Custom Work Is Our Specialty

See: Dewar Flask – Common Product Considerations

Customize It

If you need it we can make it. Contact Us to any of these options to standard CF dewar f ask or to work with our experts to design the perfect container for your needs. Large and small run manufacturing also available.

Call 1.800.426.2186 or fill out our online request form to start designing perfect tank for your application.


Available Options Gallery

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