Anyone out there experience this or something similar?
At my brewpub we typically pour draft beer from Serving Vessels (24bbl) at 15-18 psi pure CO2. If the walk-in refrigeration and glycol chiller are operating properly then the beer pours great.
The issue comes when I keg off a beer to empty a SV. I'll hook the keg up to the draft line manifold and will not get clear, non-foamy beer at the taps until it's pushing at 30 psi! Of course this is an issue because the beer pours really fast, and soon that keg will overcarbonate making things worse...
Some thoughts before you reply
1. The system is old, put in twenty years ago way before I started here. System balancing could be suspect, but I keep everything clean and sanitary. Everything else being equal I'm not sure why kegs would pour differently, as I've never had this issue at other brewpubs.
2. I fill the kegs fairly slow under pressure, and cold. Kegs don't have issues pouring anywhere else.
3. Beer carbonation is checked by a Zahm after forced carb, usually between 2.3 and 2.5 volumes. Also, the beer doesn't seem to be overcarbonating as a result of pushing with pure CO2 in the SV.
4. The regulators work fine.
I figured I'd put that out there since those would typically be troubleshooting points. Any thoughts or advice would be appreciated! A friend has already suggested putting a beer pump in line to address the issue. But I still wanna know why it does that though...
At my brewpub we typically pour draft beer from Serving Vessels (24bbl) at 15-18 psi pure CO2. If the walk-in refrigeration and glycol chiller are operating properly then the beer pours great.
The issue comes when I keg off a beer to empty a SV. I'll hook the keg up to the draft line manifold and will not get clear, non-foamy beer at the taps until it's pushing at 30 psi! Of course this is an issue because the beer pours really fast, and soon that keg will overcarbonate making things worse...
Some thoughts before you reply
1. The system is old, put in twenty years ago way before I started here. System balancing could be suspect, but I keep everything clean and sanitary. Everything else being equal I'm not sure why kegs would pour differently, as I've never had this issue at other brewpubs.
2. I fill the kegs fairly slow under pressure, and cold. Kegs don't have issues pouring anywhere else.
3. Beer carbonation is checked by a Zahm after forced carb, usually between 2.3 and 2.5 volumes. Also, the beer doesn't seem to be overcarbonating as a result of pushing with pure CO2 in the SV.
4. The regulators work fine.
I figured I'd put that out there since those would typically be troubleshooting points. Any thoughts or advice would be appreciated! A friend has already suggested putting a beer pump in line to address the issue. But I still wanna know why it does that though...
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