Low Pressure Container

Atmospheric Containers CFN Series Dewar

liquid nitrogen, liquid oxygen, liquid argon
low pressure container
low pressure container

The absolute back-to-basics low pressure container without bells and whistles is a throwback to the days of simple fabrication and uncomplicated operation. The design criteria for this product line is to supply a robust container for transportation and atmospheric storage of liquefied gases in smaller capacities.

This low pressure container features a narrow neck opening which helps to keep the loss rates to a minimum. This container is not meant for long hold time storage but as an alternative to liquid supply in a lab or plant operation. Equipped with a discharge device and casters, liquid cryogens can be available on demand.


  • All stainless steel materials
  • Double-walled, vacuum insulated
  • All welded construction
  • Sizes from from 25 liters to 200 liters capacity
  • Minimal loss rates
  • NW flange for discharge device attachment for liquid disbursement
  • Two stainless steel handles
  • Dust cap for neck protection
  • One-year warranty on vacuum
  • Alternative to liquid supply in a lab or plant operation
  • Many custom options

View All Available sizes & specifications

Many different configurations available

See below for some of the available options. Custom work is our specialty
more information

customize liquid helium dewars

Available Options For This Low Pressure Container

You can customize your low pressure container however you like with the following options:

  • Larger Necks: To allow devices and experiments to be done inside the container without the need of liquid transfer.
  • Auxillary Side Neck: Permits instrumentation/experiments to remain inside the dewar while cryogen supply is replenished.
  • Flanged Neck Termination: Custom machined for experiments and application integration.
  • Multiple Necks: Number of necks, size and location per requirement.
  • Outboard Casters: To improve stability.
  • In-board Casters: To improve mobility.
  • CMC Discharge Device: Consists of a withdrawal valve, vent valve, pressure gauge and relief device.

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

  • low pressure container-options
    Larger Necks
  • low pressure container-options
    Flanged Neck Termination
  • low pressure container-options
    Optional Neck
  • low pressure container-options
    Auxiliary Side Neck
  • low pressure container-options
    Multiple Necks
  • low pressure container-options
    CMC Discharge Device
  • low pressure container-options
    Outboard or In-board Casters