HE-L / Liquid helium
Portable Dewar supply is evaluated around the instrument, transfer interface, expected consumption, site access and replenishment window. Final volume, vessel, documentation and delivery method are confirmed during project review.
Define the cryogenic brief →
Application routes
Liquid helium supply is most useful when the equipment requirement, transfer method and replenishment responsibility are defined together.
Liquid helium is used to maintain low-temperature superconducting magnet systems, including instrument-specific MRI and NMR routes. Delivery must follow the equipment manufacturer’s procedures and the site service plan.
Research magnets, cryostats and low-temperature experiments may require liquid helium for cool-down, steady operation or a scheduled experimental campaign.
Dewars can connect a liquefier, distribution point and end user where a controlled portable liquid-helium route is required.
Industry reference
These are examples from one official equipment manufacturer, included to show the range found in the market. They are not Lesoo specifications or universal sizes.
| Net capacity | Empty weight | Outside diameter | Overall height | Status |
|---|---|---|---|---|
| 30 L7.9 US gal | 59.3 kg / 131 lb | 509 mm / 20 in | 1,221 mm / 48 in | Example configuration |
| 60 L15.9 US gal | 87 kg / 192 lb | 611 mm / 24 in | 1,298 mm / 51 in | Example configuration |
| 100 L26.4 US gal | 95.5 kg / 210 lb | 611 mm / 24 in | 1,501 mm / 59 in | Example configuration |
| 250 L66.0 US gal | 154.5 kg / 340 lb | 814 mm / 32 in | 1,781 mm / 70 in | Example configuration |
| 500 L132.1 US gal | 255.5 kg / 562 lb | 1,069 mm / 42 in | 1,857 mm / 75 in | Example configuration |
Final liquid-helium quantity, vessel model, usable capacity, transfer equipment, pressure arrangement, transport approval, documentation and availability are confirmed against the application, destination and delivery plan.
Confirm cool-down, top-up or campaign demand and the usable reserve required on site.
Match the approved transfer line, neck access, withdrawal method and receiving equipment.
Coordinate timing, access, handling resources and the effect of storage duration.
Define ownership, return, refill, changeover and replenishment responsibilities.
Cryogenic handling
Liquid helium presents extreme-cold, oxygen-displacement and pressure-management hazards. Site procedures must be established by qualified personnel for the selected vessel and equipment.
Assess the room, vent path and need for oxygen monitoring before storage or transfer.
Define eye, face, hand and body protection for cold surfaces, liquid and boil-off exposure.
Keep vessel and transfer-line relief arrangements unobstructed and matched to the procedure.
Use approved equipment, trained operators and a documented connection and disconnection sequence.
Project inputs
Share the operating requirement first. A final supply proposal follows technical, safety, logistics and commercial review.
Liquid helium questions
The vessel only works when transfer, access, timing and responsibility are also defined.
The page shows manufacturer examples from 30 L to 500 L to explain the market range. Final usable capacity, vessel model and availability are confirmed for the project.
Selection starts with the application, required volume, transfer interface, site access, delivery window, return cycle and safety controls.
No. They are examples from one official equipment manufacturer and are not Lesoo stock specifications or universal sizes.
Provide the instrument or cryostat, current condition, required volume, transfer arrangement, destination, site access, delivery date and documentation requirements.
Reference basis
Content reviewed 13 August 2026. Published capacities and dimensions are manufacturer examples; final equipment remains project-confirmed.
Project-based liquid helium
Send the application, equipment, destination, volume, transfer arrangement and required delivery date for review.
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