CO2 Tank

Your Professional CO2 Tank Supplier

Shandong Best International Trade Co., Ltd. is an enterprise that focuses on the international free import and export rights of new energy special equipment pressure vessels and gas equipment.

The main product series produced by the three major factories are: fixed pressure vessels (storage tanks), gas equipment (gas equipment), and mobile pressure vessels (tank trucks, tank containers).

Liquid Carbon Dioxide Storage Tank
In the field of industrial production and gas applications, safe and efficient storage of liquid carbon dioxide is the key to ensuring production continuity and cost control. Our company, with...
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Why Choose us

Complete Product Qualifications

The company holds a full suite of production licenses and internationally recognized quality management certifications, including ASME U-Stamp certification for pressure vessel manufacturing and ISO 9001:2015 Quality Management System certification.

Advanced Production Equipment

The facility is outfitted with advanced intelligent manufacturing equipment, notably high-precision CNC plate rolling machines, enabling consistent dimensional accuracy and enhanced fabrication efficiency.

Global Market Presence

The company serves customers across key international markets, including Central Asia, Southeast Asia, Sub-Saharan Africa, and the Middle East.

Parameter

Item	Specification
Storage medium	Liquid carbon dioxide (LCO₂)
Material	High-strength carbon steel
Structure	Double-layer vacuum insulated
Pressure	High-pressure storage design
Temperature	Cryogenic environment suitable
Capacity	Multiple options available
Installation	Vertical / horizontal
Safety	Pressure relief valve equipped
Application	Industrial gas storage and supply

Features of CO2 Tank

CO2 storage tanks are high-pressure, low-temperature vessels specifically designed to store liquid CO2. Their structure is similar to household thermos flasks, consisting of inner and outer layers with vacuum insulation to maintain stable internal temperatures and appropriate pressure conditions. This design ensures the liquid CO2 remains in the desired state, preventing it from vaporizing or solidifying, thus ensuring safe and long-term storage.

CO2 storage tanks come in both vertical and horizontal designs, allowing users to select the appropriate type based on available space. Since CO2 must remain in a liquid state under high pressure, the tank’s capacity is closely related to its vacuum level. Typically, for tanks with a volume of 10 cubic meters or less, the vacuum level should be maintained below 2 Pa to ensure adequate insulation.

Application of CO2 Tank

01/

Precursor to Chemicals
In the chemical industry, CO2 is an essential ingredient in the production of urea and methanol. Various CO2 tank uses support the storage and controlled distribution of this gas for chemical processing.

02/

Food Additive
CO2 is used as a food additive, functioning as both a propellant and an acidity regulator. The food-grade CO2 stored in tanks follows a strictly monitored process to ensure safety and compliance with food regulations.

03/

Production of Carbonated Soft Drinks
The beverage industry relies on CO2 for carbonating drinks and soda water. Bulk CO2 tanks, commonly referred to as Dewar CO2 tanks, use multiple ports to connect to soda machines and fill beverage dispensers efficiently.

04/

Fire Extinguishers
CO2 is widely used in fire suppression systems due to its ability to displace oxygen and smother flames. Fire extinguisher CO2 tanks typically have a squeeze-trigger handle, allowing rapid deployment in emergencies rather than using a manual valve.

05/

Medical Industry
CO2 is combined with oxygen to produce inhalable gases for medical applications. CO2 tanks used in healthcare settings require a monitored delivery system and strict handling procedures to ensure safety.

06/

Refrigerant Applications
Liquid and solid CO2 serve as refrigerants, particularly in the food industry, where they help freeze ice cream and other frozen foods. Bulk CO2 tanks are designed to store and supply liquid CO2 at low temperatures and pressures for refrigeration purposes.

Safe CO2 Tank Storage Best Practices

Secure indoor CO2 cylinders upright with chains or restraints

Bolt bulk CO2 tanks to the floor to prevent tipping

Store tanks in areas below 125°F (51.7°C)

Shipping Methods

01.

Sea Freight

Main option for large international delivery (container or flat rack)

02.

Truck Transport

For domestic or short-distance delivery

03.

Rail Transport

Optional for regional bulk shipping

04.

Multimodal Transport

Combined sea, road, or rail for global projects

FAQ

Q: What are CO2 tanks good for?

A: A CO2 cylinder is a high-pressure vessel designed to store and dispense carbon dioxide gas in a controlled way. These cylinders are manufactured and tested to strict standards and are used across a wide range of industries. Common applications include: Restaurants and bars using CO2 for beverage dispensing.

Q: How long will CO2 last in a tank?

A: A CO2 tank's lifespan depends heavily on its size and how it is used. A 5-pound tank lasts 3 to 12 months for a planted aquarium or about 6 to 8 kegs of beer. A 20-ounce paintball tank provides roughly 1,000 to 1,200 shots.

Q: Can a CO2 tank be filled with air?

A: Yes, though it's important to know what the safe fill weight would be since the size of a CO2 tank is measured by the weight of the CO2 put inside, not the volume, as with HPA tanks.

As one of the leading co2 tank manufacturers and suppliers in China, we also support customized service. Please rest assure to buy high quality co2 tank in stock here from our factory. If you have any enquiry about quotation, please feel free to email us.

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