Dewar cylinder for cryogenic storage and transport of liquid nitrogen and oxygen

Dewar cylinders, also known as cryogenic vessels or low-temperature cylinders, are specially designed for the safe storage and transport of liquefied gases, including liquid nitrogen, oxygen, carbon dioxide, and argon. Engineered with advanced vacuum insulation and durable construction, these cryogenic cylinders minimize boil-off and maintain stable conditions, making them essential for laboratories, medical facilities, and industrial applications.

Category Overview

This category features a wide range of Dewar cylinders and cryogenic containers, from compact laboratory models to larger industrial liquid gas cylinders. Each unit is designed for efficient thermal insulation, safe handling, and long-term reliability for storing cryogenic liquids.

Types of Dewar Vessels

Dewar vessels, also called Dewar containers, are specially designed for storing and transporting cryogenic liquids safely. Different types of Dewars are suitable for different users, capacities, and liquids, including
liquid nitrogen (LN₂), liquid oxygen (LO₂), liquid carbon dioxide (LCO₂), and liquid argon (LAr).

Type Capacity Typical Users Typical Liquids Notes
Laboratory / Small Dewar 0.1–10 L Labs, schools, research LN₂, LCO₂ Easy to handle, portable, widely sold online and through lab suppliers.
Medium Dewar / Transport Dewar 10–100 L Small medical clinics, hobbyists, small industrial users LN₂, LO₂, LAr, LCO₂ Common for transporting cryogenic liquids; often comes with handles or carts.
Low-pressure Dewar Variable General users LN₂, LCO₂, LO₂ Simple vented Dewars; safe for standard use without specialized training.

Key Features

  • Vacuum and multi-layer insulation for extended hold times
  • Pressure-rated with safety relief valves for secure operation
  • Durable stainless steel or aluminum alloy construction
  • Portable designs with handles or wheels for easy transport
  • Various capacities suitable for laboratory, medical, and industrial use

Applications

Dewar cylinders and low-temperature vessels are widely used in:

  • Laboratories and research facilities
  • Medical and healthcare applications
  • Industrial gas storage and manufacturing
  • Food and beverage processing

Explore Dewar Cylinders

Browse our selection of Dewar cylinders, cryogenic cylinders, and liquid gas vessels to find the right solution for your industrial, medical, or laboratory needs. For related products, visit our Industrial Gases and Cryogenic Tanks categories.

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