Dewars and Cryogenic Containers

Dewars and Cryogenic Containers
Cryogenic vessels for storage and transport of liquid nitrogen, liquid oxygen, liquid argon, and other liquefied gases. Portable, high thermal capacity, and available in various capacities for laboratory and industrial applications.
- High-efficiency multi-layer vacuum insulation
- Capacity from 10 to 450 Liters
- Reinforced stainless steel construction
- Compliance with DOT-4L and TPED standards
Features, ranges, materials, standards, and certifications vary by model and manufacturer. Confirm the requirements against the current datasheet and technical proposal.
Description
Cryogenic vessels for storage and transport of liquid nitrogen, liquid oxygen, liquid argon, and other liquefied gases. Portable, high thermal capacity, and available in various capacities for laboratory and industrial applications.
Key Features
- High-efficiency multi-layer vacuum insulation
- Capacity from 10 to 450 Liters
- Reinforced stainless steel construction
- Compliance with DOT-4L and TPED standards
- Color-coded valves
- Vacuum insulation with 5 years warranty (XL Series)
Recommended Applications
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Other Products
Complete Cryogenic Engineering Solutions
Our systems deliver superior thermal insulation for the world's most demanding cryogenic fluids. Combining portable liquid cylinders with engineered Vacuum Insulated Piping (VIP), your facility achieves minimal boil-off losses, superior cost efficiency, and unmatched operational safety.
- Extended vacuum integrity warranty
- Compliant with DOT-4L, TPED, and ASME B31.3 codes
- Broad range of storage volumes and operating pressures

Models and Technical Specifications
CRYOGENIC LIQUID CYLINDERS (DEWARS)
| IMAGE | MODEL | DESCRIPTION | APPLICATION | TECHNICAL SPECIFICATIONS |
|---|---|---|---|---|
![]() | XL Series (e.g., XL-45, XL-50) | Portable liquid cryogenic cylinders with high-efficiency multi-layer vacuum insulation. | Storage and distribution of liquid nitrogen (LIN), liquid oxygen (LOX), liquid argon (LAR), and CO₂. | • 5-year vacuum integrity warranty • Capacity range from 70 to 450 liters • Full-circle shock-mount protective ring • Non-intrusive continuous level indicator • Color-coded safety relief valves |
![]() | LSN / XP Series | Cryogenic dewars for safe storage and extraction of liquefied gases with optimal thermal performance. | Industrial, biological, and scientific research applications. | • Heavy-duty stainless steel structural design • High-performance multi-layer superinsulation (MLI) • Reinforced shock-absorbing base |
![]() | TPED / GB Series | Globally certified cryogenic liquid cylinders. | International transport and general cryogenic fluid distribution. | • Certified to DOT-4L, TPED, and GB codes • Dual liquid withdrawal and gas vaporization ports • Robust design engineered for demanding operating environments |
VACUUM INSULATED PIPING (VIP SYSTEMS)
| IMAGE | SYSTEM | DESCRIPTION | APPLICATION | TECHNICAL SPECIFICATIONS |
|---|---|---|---|---|
![]() | Vacuum Jacketed Piping (VJP Lines) | Concentric double-wall rigid piping with intermediate high-vacuum jacket, delivering industry-leading lowest boil-off rates. | Cryogenic liquid transfer lines for air separation units (ASU), chemical plants, and testing labs. | • Inner core in 304/316L stainless steel (ASTM A312) • Certified long-term vacuum retention • Nominal diameters from 1/2" to 6" • Design working pressures up to 40 barg • Cleaned per CGA G-4.1 Oxygen Cleaning Standards |
![]() | Cryogenic Bayonet Connections | Proprietary close-tolerance bayonets engineered for zero-leakage, frost-free cryogenic transfer. | Modular distribution systems and cryogenic equipment interface lines. | • Ultra high-reliability mechanical joint technology • Rapid field assembly (Bayonet or orbital field weld) • Maintenance-free long-term operational lifecycle |
![]() | VIP Flexible Hoses & Cryogenic Accessories | Vacuum-insulated flexible hoses and integrated cryogenic accessories. | Dynamic piping interfaces, loading stations, and movable machinery connections. | • Maximum mechanical flexibility under deep cryogenic temperatures • Frost-free outer jacket protection • Full compliance with ASME B31.3 process piping code |
Datasheet and Documentation
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