Do you know how to check the cracking pressure of you regulator without special gauges?

+1 vote
asked Aug 26, 2017 in Scuba Diving by Cvet (3,369 points)

1 Answer

+2 votes
answered Sep 18, 2017 by cquade7 (3,269 points)
selected Sep 18, 2017 by Cvet
Best answer
Partially fill your kitchen sink and immerse the pressurized regulator with the mouthpiece up. Air should begin to flow before the regulator gets more than 1 1/2 inches deep. If the mouthpiece is submerged before the regulator starts to flow, the cracking pressure is probably too high.
commented Sep 18, 2017 by Cvet (3,369 points)
Hook your reg.  up to a tank of air. Use a bucket of water, and push down your regulator with the mouthpiece up. You can get a idea of the cracking pressure by when it starts to free flow.  The more you push it down the harder it will be to breath.
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