What Is a Cryogenic Tank?

Cryogenic tanks are specially engineered double-walled, vacuum-insulated pressure vessels designed to safely store, transport, and utilize liquefied gases at temperatures of –150°C (120 K) and below.
These tanks play a critical role in the storage of the following industrial gases:

• Liquid Oxygen (LOX)
  
• Liquid Nitrogen (LIN)
  
• Liquid Argon (LAR)
  
• LNG (Liquefied Natural Gas)
  
• Hydrogen / Helium (with special tank designs)
  

Note: Liquid Carbon Dioxide (LCO₂) is not considered a cryogenic gas; however, it requires low-temperature storage and is contained in specially engineered insulated tanks using similar technologies.

Harsan Tanker & Cryogenic manufactures high-vacuum, insulated cryogenic tanks at its production facility in Kocaeli, providing reliable solutions for a wide range of industries—from healthcare to energy—while complying with international standards.

Operating Principle of Cryogenic Tanks

The primary function of a cryogenic tank is to minimize heat transfer and maintain liquefied gas at the required low temperature and pressure.

To achieve this, the tanks are designed with the following elements:

1. Inner Vessel

• Constructed from stainless steel (typically 304L / 316L)
  
• Serves as the primary pressure vessel that holds the liquefied gas
  
• Highly resistant to corrosion and extremely low temperatures
  

2. Outer Vessel

• Manufactured from carbon steel
  
• Protects the inner vessel from external impacts
  
• Functions as the main structural support element
  

3. Vacuum Layer (Thermal Barrier)

• A high-vacuum space exists between the inner and outer vessels
  
• Significantly reduces heat transfer by conduction, convection, and radiation
  
• Insulated using:
  
  • Super Insulation (MLI – Multi-Layer Insulation), or
    
  • Perlite filling
    

4. Pressure Control & Safety Equipment

• Pressure Building Unit (PBU)
  
• Safety relief valves
  
• Pressure gauges
  
• Level gauges (Rochester / cryogenic level transmitters)
  
• Burst disks
  

These components ensure stable, safe, and long-term tank performance.

Applications of Cryogenic Tanks

Cryogenic tanks are widely used across various industries:

Energy Sector

• LNG storage
  
• Micro-LNG systems
  
• Energy supply for remote locations
  
• Backup fuel (peak shaving) applications
  

Healthcare Sector

• Medical oxygen storage
  
• Hospital gas supply systems
  
• Operating room and intensive care applications
  

Food Industry

• Flash freezing
  
• Ice cream production
  
• Carbonated beverage production
  

Industrial Gas Producers & Laboratories

• Liquid nitrogen applications
  
• Foundry and metallurgical processes
  
• Gas supply for spectrometers and analytical instruments
  

Aerospace & Aviation

• Rocket fuel storage
  
• Test and research systems
  

Harsan Tanker & Cryogenic provides tailored engineering solutions for the specific technical requirements of all these industries.

Why Harsan Tanker & Cryogenic?

• Local manufacturing assurance with a facility located in Kocaeli
  
• Designs and production in compliance with EN, ASME, PED, and other international standards
  
• High-vacuum insulation ensuring minimal heat loss and maximum energy efficiency
  
• Custom engineering solutions and flexible design options
  
• Extensive reference base and decades of manufacturing experience
  
• 24/7 technical service and maintenance support
  
• Long-life, low-maintenance cryogenic storage systems
  

Cryogenic Safety with Harsan Tanker Excellence

Safe storage in the industrial gas sector requires not only high-quality manufacturing but also comprehensive engineering expertise.
With its advanced cryogenic tank designs developed in its Kocaeli facility, Harsan Tanker & Cryogenic delivers safety, efficiency, and long service life to customers in Türkiye and around the world.