Aluminum piping is a popular choice for compressed air systems due to its lightweight, corrosion resistance, and ease of installation. However, it is important to note that not all aluminum piping systems are created equal, and there are a few things to consider when selecting and installing aluminum piping for compressed air:

1. Pressure rating: Make sure that the aluminum piping you choose is rated for the pressure of your compressed air system. Most aluminum piping systems are rated for 175 psi, but some can handle higher pressures.
2. Size: The size of the piping you choose will depend on the flow rate and pressure of your compressed air system. Larger piping will allow for greater flow rates, but may not be necessary for smaller systems.
3. Fittings: Be sure to use the appropriate fittings for your aluminum piping system. Aluminum piping typically uses push-to-connect fittings or compression fittings.
4. Installation: Aluminum piping is relatively easy to install, but it is important to follow the manufacturer’s instructions for proper installation. Be sure to use the appropriate tools and techniques for cutting, deburring, and installing the piping.
5. Maintenance: Aluminum piping is generally low-maintenance, but it is important to periodically check for leaks and inspect the system for any signs of damage or wear.

Overall, aluminum piping can be a good choice for compressed air systems, but it is important to choose the right system for your needs and install it properly to ensure safe and reliable operation.