Industrial Gas

Industrial Gas

Liquid Helium Dura Cylinder Serie

Liquid Helium Dura Cylinder Series

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The liquid helium Dura cylinder is designed and manufactured specifically for the storage and transportation of ultra low temperature liquid helium, with a design temperature of -268.5 ℃. It is suitable for instrument and equipment products that use low-temperature liquid helium, and is also an important component of the low-temperature liquid helium system.


SERLNG liquid helium Dura cylinder has the characteristics of light weight, good insulation, high reliability, and easy operation. The design of the product greatly reduces the loss of liquid helium during storage, transportation, and distribution. The evaporation rate of liquid helium can be effectively reduced by using efficient vacuum thermal insulation coating technology, steam cooling multi cold shield technology and low temperature condensation adsorption high vacuum acquisition technology.

Liquid Helium Dura Cylinder Series

1. Exceptional Thermal Insulation

  • Utilizes advanced high-vacuum multilayer insulation technology to achieve an ultra-low daily evaporation rate of <0.5%, minimizing liquid helium loss and reducing annual operating costs by up to 20%.

2. High-Strength, Lightweight Design

  • Engineered with high-strength aluminum alloy, reducing total weight by ~15% compared to conventional designs while maintaining full structural integrity, lowering shipping and handling costs.

3. Superior Safety and Reliability

  • Key components sourced from ISO 9001-certified suppliers, coupled with automated manufacturing and a 3-stage quality control process, ensuring a field failure rate of <0.1% over a lifespan of 15+ years.

4. Optimized Fluid Delivery Capacity

  • Equipped with cryogenic ball valves rated for -269°C, reducing flow resistance by ~30% and enabling transfer rates of up to 250 L/min with minimal heat ingress.

5. User-Friendly Operation

  • Features a universal top connector compatible with 6+ standard hose sizes, reducing connection time by ~40%. Modular design allows for tool-free maintenance in under 30 minutes.

6. Broad Application Adaptability

  • Compatible with MRI, NMR, quantum computing, and aerospace systems, operating reliably across temperature ranges from -269°C to +50°C and pressures up to 25 bar.


Specification

Model

100

250

315

500

Geometric VolumeL

110

275

350

550

Effective VolumeL

100

275

315

500

NER %/day

1.25

1.00

1.00

1.00

Working PressurePsig

10

10

10

10

Diametermm

610

860

860

1110

Heightmm

1527

1712

1835

1821

Empty WeightKg

113

180

192

277

The length from flange to the bottom of  the inner vessel mm

1132

1310

1473

1421

Main Relief Valve SettingPsig

10

10

10

10

Secondary Relief Valve SettingPsig

12

12

12

12


Liquid Helium Dura Cylinder Series: Application Scenarios

The Liquid Helium Dura Cylinder Series is engineered for the safe and efficient storage and transportation of liquid helium, serving as the foundational support for its wide range of critical applications. Its primary application scenarios include:

1. Healthcare – Medical Imaging

  • Core Application: Providing the essential coolant for the superconducting magnets in Magnetic Resonance Imaging (MRI) equipment.

  • Scenario Description: Hospitals, imaging centers, and specialized clinics rely on our dura cylinders for the continuous and stable operation of their MRI systems. The cylinder's superior vacuum insulation design minimizes helium evaporation, significantly reducing operational costs for healthcare facilities.

2. Scientific Research – Physics & Materials Science

  • Core Application: Supporting various low-temperature physics experiments, such as research on superconducting materials, quantum computing, and condensed matter physics.

  • Scenario Description: University laboratories, national research institutions (e.g., institutes under the Chinese Academy of Sciences), and corporate R&D departments use our cylinders to ensure a reliable liquid helium supply for experimental equipment (e.g., dilution refrigerators), guaranteeing stability in extreme cryogenic environments.

3. Industry & Technology – Analysis & Testing

  • Core Application: Cooling the superconducting magnets of Nuclear Magnetic Resonance (NMR) spectrometers.

  • Scenario Description: In pharmaceutical companies, chemical research institutions, and materials science labs, NMR is a vital tool for molecular structure analysis. Our dura cylinders ensure the long-term, high-precision operation of NMR instruments.

4. Aerospace & Defense – Cutting-Edge Technology

  • Core Application: Used for cooling satellite sensors, space telescopes (e.g., the James Webb Space Telescope), and testing systems for rocket engines.

  • Scenario Description: Organizations like aerospace corporations and related research institutes utilize the extreme cold of liquid helium to ensure that precision instruments in space can detect the faintest signals and for ground-based R&D testing. The cylinder's robust and durable construction is critical for these high-stakes missions.

5. Emerging Technology – Future Frontiers

  • Core Application: Providing the initial cooling stages and shielding for the dilution refrigerators used in quantum computers.

  • Scenario Description: In the global race to develop quantum computing, liquid helium is key to creating operating environments near absolute zero. Our products serve pioneering tech companies and labs, supporting the development of this transformative technology.


The Liquid Helium Dura Cylinder Series is a critical piece of infrastructure that supports a wide array of high-tech activities, from modern medical diagnostics to frontier scientific exploration. Its exceptional thermal insulation, safety, and reliability ensure the security of both invaluable equipment and the precious liquid helium in research and industrial applications.


Why Choose Our Helium Dewars?

     Based on a superior balance of critical performance, safety, and user-centric design, the Liquid Helium Dura Cylinder Series holds a distinct competitive advantage. It outperforms alternatives primarily through exceptional thermal insulation that drastically reduces helium evaporation, directly lowering the total cost of ownership. 

     Unlike competitors who may compromise on quality, its construction—featuring a high-strength, lightweight design and components from top-tier suppliers—ensures unmatched reliability, safety, and easy handling. Furthermore, functional innovations like specialized cryogenic valves and a versatile top connector provide tangible operational benefits, offering a comprehensively efficient, economical, and secure solution for critical liquid helium storage and transfer needs.

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SERLNG is committed to providing engineering low-temperature products and services in the industrial gases, life sciences, and green energy markets. We are committed to providing our customers with a wide product line, advanced technology, and continuous innovation.

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