Shank bore size

sdbrew1024 · May 19, 2011

I'm doing a keezer build and can't find much info on whether to get shanks with a 1/4" or 3/16" bore size. Any opinions? What would be the difference between the two, more foaming from one vs. the other? Also, any opinion on whether to spend the extra $ on stainless?

Hang Glider · May 19, 2011

In my keezer, I got 1/4 bore on the shanks, and 3/16 on the tubing. Soak the tubing in very hot water and wiggle on, then hose clamp.

3/16 x 5-6 feet seems to be a standard to equalize the pressure and minimize foaming when pouring a brew. (gas lines don't matter, just the beverage out)

sdbrew1024 · May 19, 2011

I've read quite a bit about beer line lengths and diameters needing to be certain values, that's why I'm so curious about the shank bore diameter. I'll have a 5" shank, so I have to imagine that the bore size will have some effect on the pour. I'll probably get 3/16 shanks to match my beer line.

JuanMoore · May 19, 2011

Most people match the shank bore to their line ID. In theory sudden resistance changes close to the exit point can increase the chance of foaming. I started kegging with a mish mash of used parts, and there wasn't much difference between the various bore sizes, so I don't think it really matters much.

Shank bore size

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Shank bore size

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