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CO2 Cylinders: What You Need to Know

Carbon dioxide (CO2) cylinders are used to store and transport compressed CO2 gas. They are made of steel or aluminum and have a valve that allows the gas to be released. CO2 cylinders are used in a variety of applications, including:

How CO2 is Stored in Cylinders

CO2 is stored in cylinders in liquid form. The liquid CO2 is under high pressure, which keeps it from boiling. The pressure inside the cylinder is typically around 45-65 bar.

Types of CO2 Cylinders

There are two main types of CO2 cylinders: steel cylinders and aluminum cylinders. Steel cylinders are more durable than aluminum cylinders, but they are also heavier. Aluminum cylinders are lighter than steel cylinders, but they are not as durable.

CO2 Cylinder Safety

CO2 cylinders can be dangerous if they are not handled properly. It is important to follow the safety instructions that come with the cylinder. Some of the important safety tips include:

Where to Buy CO2 Cylinders

CO2 cylinders can be purchased from a variety of places, including welding supply stores, gas companies, and online retailers. When purchasing a CO2 cylinder, it is important to make sure that the cylinder is properly labeled and that it has been inspected and certified.


CO2 cylinders are a versatile and important tool that is used in a variety of applications. By following the safety instructions, you can safely use CO2 cylinders to get the job done.

Here are some additional things to keep in mind about CO2 cylinders:

If you have any questions about CO2 cylinders, you should consult with a qualified professional.