What type of tubing is typically used in a draft beer system?

The use of braided vinyl or poly tubing in draft beer systems is preferred due to its durability, flexibility, and resistance to kinking, which is essential for maintaining a consistent flow of beer from the keg to the faucet. This type of tubing is designed to handle the pressures involved in a draft system while also being inert, minimizing any risk of off-flavors or contamination that could arise from the material itself.

Vinyl or poly tubing is typically less permeable to gases than other materials, ensuring that carbonation levels are maintained in the beer. The braiding adds strength, allowing the tubing to withstand higher pressures without bursting, which is critical in a draft system where CO2 pressure is used to push beer from the keg.

In contrast, rubber tubing is not commonly used as it can degrade and potentially introduce unwanted flavors or odors into the beer. Silicone tubing, while flexible and resistant to temperature changes, is often more expensive and may not have the same durability under pressure compared to braided vinyl or poly tubing. Metal tubing is less common in draft systems primarily due to issues related to thermal conductivity and potential for corrosion, making it less favorable for beer delivery applications.

Therefore, braided vinyl or poly tubing is the standard in draft beer systems, ensuring optimal performance and quality