Which type of drawn copper tube is specifically used for natural gas applications?

The designation for the type of drawn copper tube specifically used for natural gas applications is identified as G. This type of copper tube is manufactured to meet specific requirements that make it suitable for the safe transportation of natural gas.

The G designation indicates that the tube has been constructed with appropriate wall thickness and material properties that comply with industry standards, ensuring it can withstand the pressures and potential corrosive effects associated with natural gas. These standards are crucial for both safety and efficiency in gas delivery systems.

In contrast, the other types, labeled A, B, and C, serve different purposes and are suited for various applications, such as water or refrigeration, but not for natural gas. Each designation corresponds to different specifications for wall thickness and intended use, which is essential to ensure compliance with regulations and safety protocols in any installation.