That is the MAC Valve and how it works.įirst, what is a MAC valve? Well quite simply, a MAC valve is a Micro Air Control valve. You can see one that’s built onto the airbrush here: So following some hilarious internet cat fighting I felt that I need to address a huge misunderstanding in the hobby/airbrushing community. It is meant to help you have a better understanding of how your airbrush works. Disclaimer: Science follows, and none of it really is going to change anything you are doing with your airbrush.
