Fermenting Barrel Reverse and Forward Air locks
Channel: AlternateFarmhand1
Date: 20/09/2013

Showing reverse Air Lock fitted and it's operation, The reverse Air lock prevents the barrel from sucking the fluid from the "out" or "forward" Air lock when releasing the clamp ring, when the clamp ring is released it increases the internal volume of the barrel which causes less pressure inside until the seal breaks and lets air in or the "out" air lock is sucked dry into the brew which is a " no no" of course. This barrel is easily able to do that so to use the clamp ring it was necessary, most just use a weight on top but that could over pressurize the brew. When the clamp ring is tightened the out air lock increases in bubbling output then when the clamp ring is loosened the reverse air lock bubbles air in through the water to the inner chamber then is pushed ito the barrel from the top. Happy brewing and Cheers..