Found a couple of youtube videos that clearly explains how the different first stage regulators work. Thought this might be of good use to
divers anyone who needs some basic understanding behind the mechanism of first stage regulators. Cheers and safe diving
Unbalanced Piston
*notice how the tank pressure force is directly exerted onto the piston hp seat as compared to balanced regulators*
Balanced Piston
Balanced Diaphragm
