800.426.2186 Request Form

Home » Products » CMSH Liquid Helium Dewars Common Customer Questions

Common Questions Asked When We Receive a Custom CMSH Liquid Helium Dewar Request


When receiving a request for a liquid helium dewar, there are always some routine questions that need to be asked in order for us to manufacture the dewar to meet customer expectations. From one liquid helium dewar to another, there can be any number of differences based on how it’s going to be used.

Any liquid helium dewar can be customized based on any or all of the following specifications:

How is this container going to be used?
Is it primarily for transport/storage, liquefaction or as an experimental dewar?
If experimental, do you require a larger neck than the standard 1.5” o.d.?
Are there any dimensional restraints?
Are there pressure requirements above 10 PSI?
What country will the dewar operate in?
Will this be used for transportation by air?
Is this incorporated into a product to be sold?
What performance do you need from the dewar to meet the requirements of your application?
Base or caster mounted? Outboard casters?
Outboard bracket casters & pull handle?
For Vessels above 250 liters are fork lift provisions required?

About the standard CMSH Series Liquid Helium Dewar

Optional Add-Ons for a Liquid Helium Dewar

Once an application for a liquid helium dewar is established, we then might ask about, or offer additional options. Including:

  • Is a liquid level gauge required?
  • Are locking casters preferred?
  • Do you need a custom access port?
  • For dewars used with cryocoolers and inserts would you like an auxiliary side neck so that your device can remain installed?
  • Outboard caster configuration
  • Flow meter
  • Electric pressure builder
  • Build in VJ Withdrawal system

With the answers to the above questions in mind, you’re now prepared with all the information you need to begin submitting your request. If you have any other questions about how the process works, please contact us. If you’re ready to begin, please submit your request here.


©Cryofab 2024... Proudly designed by TCS&Co, and built by SWC.