DSW Industry manufactures precision-engineered Dewar Cylinders and insulated cryogenic cylinders designed to maintain extremely low temperatures for gases such as liquid nitrogen (LN2), liquid oxygen (LOX), argon (LAr), and carbon dioxide (CO₂). These welded insulated cryogenic cylinders are ideal for laboratory, medical, industrial, and research applications, providing safe, reliable, and long-lasting cryogenic storage.
With advanced vacuum insulation and rigorous production standards, DSW Industry Dewar Cylinders reduce boil-off, maintain gas purity, and ensure operational safety for your most critical applications.

Key Features
Advanced Vacuum Insulation
- High-quality vacuum-insulated vessel design to minimise heat transfer
- Outstanding thermal retention for prolonged cryogenic liquid storage
- Reduces liquid boil-off and enhances overall efficiency
Safe and Durable Construction
- Manufactured to stringent safety standards for cryogenic equipment
- Robust steel and aluminium construction for lasting performance
- Designed for use in both indoor and outdoor environments
Wide Range of Cryogenic Gases
- Suitable for liquid nitrogen cylinders (LN2)
- Available for oxygen dewar cylinders (LOX)
- Configurable for argon dewar cylinders (LAr)
- Custom sizes available upon request
Portable and Easy to Handle
- Offered in portable dewar cylinder formats
- Ergonomically designed for convenient transport
- Ideal for laboratories, hospitals, and industrial facilities
Dewar Size Chart



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Applications
- Laboratories & Research – Safe LN2 storage for experiments and sample preservation
- Medical & Healthcare – Cryogenic cooling and storage of medical gases
- Industrial Gas Supply – Bulk and portable storage solutions for oxygen, nitrogen, and argon
- Cryogenic Processing & Manufacturing – Reliable, low-loss liquid gas storage
Inspection Guarantee
Our Dewar Cylinders are subjected to rigorous testing and inspection:
- Welding Seams – 100% RT & PT non-destructive testing
- Strength Testing – High-purity nitrogen up to 99.999%
- Leak Detection – Advanced helium mass spectrometer testing
- Inner Container Cleanliness – Passivation, pickling, UV inspection
- Assembly – Inner & outer containers assembled within 2.5 hours
- Interlayer Insulation – Special treated high-quality perlite
- Final Protection – Nitrogen filling at 0.2MPa to protect tanks














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