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Hey everyone! What follows is the first decently working version of a check valve for my very own set of membrane pipes.
For a bit of background: I needed a valve that would allow air to easily flow in one direction with very little pressure, but that would prevent air from leaking back out. I couldn't use a traditional bagpipe valve (the leather flap variety) because I really didn't want to have to go inside the duct tape bag I made, and purchasing a premade valve (e.g. a moose valve) would just be cheating!
My solution? A quick lowes trip and a few bucks worth of plumbing equipment. Check them out in the video below, or head on to the next step to get started!