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October 2021    Download the Entire Issue (PDF) Vol. 36, No. 10   RSS Feed for Undercurrent Issues
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Why Does Your Regulator Free-flow?

understanding how your regulator works

from the October, 2021 issue of Undercurrent   Subscribe Now

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In our most recent mid-month email, we commented about regulators that were working perfectly when they were put away but go out-of-tune during storage. This usually manifests itself in a gentle hiss of air from the second stage when the regulator has been attached to a full tank. The writer of July's Undercurrent travel article encountered this after a long lay-off and assumed it was a problem with his second-stage, which it was not.

Many divers use their regulators without giving a second thought to how they work, or misunderstand what the controls provided on the second-stage actually do. Here's an explanation....

Regulator designers have created a very clean flow of air, consistently achieving a Venturi- effect

Subscribers: Read the full article here


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