cryogenic liquid cylinders

Dewar Cylinder

DSW offers high-quality liquid cylinders designed for the safe storage and transport of liquefied gases, including nitrogen (N₂), oxygen (O₂), argon (Ar), and carbon dioxide (CO₂).
These gases are stored at extremely low temperatures in liquid form to ensure safety and efficiency.
Our Dewar cylinders supply flexible solutions in a range of sizes and capacities, catering to diverse needs.
They are engineered for reliable performance and minimal maintenance.
Key Benefits:

  • Versatile Storage: Suitable for nitrogen, oxygen, argon, and carbon dioxide.
  • Variety of Sizes: Multiple capacities to meet different requirements.
  • Energy Efficiency: Vacuum insulation reduces heat transfer and boil-off.
  • Easy Operation: Simple to use and maintain, requiring minimal infrastructure.
  • Specialized Models: Options such as liquid argon tanks and liquid oxygen bottles for specific applications.
  • Cost-Effective: Durable design reduces operational and maintenance costs

Liquid Cylinders- Packaged Gases Solution

Liquid cylinders offer a safer and more efficient gas storage solution than traditional high-pressure cylinders.
Liquid cylinders are available in various types, each specifically designed for storing and transporting different cryogenic liquids.
Some standard liquid cylinders include a liquid CO2 cylinder, a liquid nitrogen bottle, a liquid oxygen bottle, and a liquid argon tank.

Cryogenic liquid cylinders for safe storage and transport of liquefied gases
DSW cryogenic liquid cylinders designed for efficient and safe storage of nitrogen, oxygen, argon, and CO₂

Key Features:

  • Inner pressure vessel: Holds the cryogenic liquid under controlled pressure.
  • Outer vacuum jacket: Minimizes heat ingress for superior insulation.
  • Pressure-building system: Maintains operating pressure for consistent liquid and gas withdrawal.
  • Safety valves and gauges: Ensure secure operation and monitoring.

This engineering ensures minimal liquid loss and safe handling of extremely cold gases.

Liquid Cylinders, dura cylinder
Dura liquid cylinders have model distinctions for low-pressure liquid and gas withdrawal cylinders, medium-pressure liquid and gas withdrawal cylinders, and high-pressure liquid and gas withdrawal.

Product Highlights

Liquid cylinders are specially engineered, pressurized containers for the safe storage and handling of cryogenic liquids.
They allow controlled withdrawal of both liquid and gas phases.
A liquid nitrogen cylinder, for example, is equipped with dedicated valves for filling and dispensing,
along with a pressure-control valve and a rupture disk to ensure safe operation under varying conditions.

DSW cryogenic liquid cylinders are designed for maximum efficiency and durability:

  • Safe Storage: For nitrogen, oxygen, argon, CO₂, and nitrous oxide
  • Durable Stainless Steel Construction: Ensures long service life
  • Integrated Pressure-Building System: Enables immediate gas use
  • Vacuum Insulation: Minimizes heat transfer for reduced boil-off
  • Ergonomic Design: Large diameter handling ring with reinforced support
  • Advanced Monitoring: Roto-tel liquid level gauge system (MP & HP models)
  • Warranty: Five-year vacuum warranty for peace of mind

Portable Liquid Cylinders

DSW liquid cylinders are intended for only temporary use, not permanent mobile application installation. Explore DSW’s Dura cylinder portfolio below and let us tailor a solution that best meets the needs of your business.

liquid cylinders, dura cylinder, Vessel Gas Liquid

Liquid Gas Cylinder Sizes and specification

Pressure: High Place of Origin: Zhejiang, China
Model Number: GB24159-2009 Material: Steel
Material: DSW Use: Industrial Gas
Water Capacity: 175L Working Pressure: 2.3IPA
Test Pressure: 4.6IPA Certification: GB24159-2009
Color: Customer’s Requirement Application: Nitrogen
Name: Dura Cy1inder

welded Insulated cryogenic liquid container, dewar cylinder

welded Insulated cryogenic liquid container, dewar cylinder

welded Insulated cryogenic liquid container, dewar cylinder

Dewar Cylinder Design

The inner pressure vessel is constructed of stainless steel and supported within an outer stainless steel vacuum jacket. The support system is an all-stainless steel internal support designed for low heat leaks and high strength.
The outer vacuum jacket of the liquid cylinder contains an internal vaporizer that converts the cold liquid to gas.
The internal pressure-building system allows immediate use of the cylinder by automatically building pressure to the preset operating pressure and maintaining it during gas withdrawal.

Quality Manufacturing
Our experience and code compliance to ISO 9001:2008 and 14001:2004 ensure our liquid cylinders are manufactured to high-quality standards and on time.

Applications:

  • Industrial: Welding, manufacturing, and process gas supply
  • Medical: Oxygen storage for hospitals and healthcare facilities
  • Laboratories: Cryogenic sample storage
  • Specialty: Food freezing, electronics manufacturing, and aerospace

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