We have a 2” butterfly on a 2” port on top of our tanks at the brewpub. We spund. A 2” to 4” reducer and a roughly 18” section of 4” stainless triclamp pipe. 4” cap on the bottom.
Fill tube with dry hops, flip upside down onto hop port butterfly. Attach and open valve. Viola, dry hop under pressure with no eruptions. Close vale, remove tube, repeat as needed. PRV will release gas sometimes, but provides enough back pressure to avoid foaming.
Have used a slurry brink, “regular” method, and a hop Gun on larger tanks (up to 120bbl). Prefer this for simplicity. Didn’t get much “benefit” from the Gun when considering the cost. Use the slurry and brink for big tanks.
Fill tube with dry hops, flip upside down onto hop port butterfly. Attach and open valve. Viola, dry hop under pressure with no eruptions. Close vale, remove tube, repeat as needed. PRV will release gas sometimes, but provides enough back pressure to avoid foaming.
Have used a slurry brink, “regular” method, and a hop Gun on larger tanks (up to 120bbl). Prefer this for simplicity. Didn’t get much “benefit” from the Gun when considering the cost. Use the slurry and brink for big tanks.
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