Description
10BBL and 20BBL Fermentation Systems Built Around Your Cellar
A 10BBL or 20BBL fermentation system is not just a tank with a racking arm. The tank geometry, cooling jacket coverage, outlet position, and CIP path decide how well the vessel works on brew day and during transfer. Brewers usually ask for a bend outlet racking arm when they want to pull clear beer above the yeast bed without tilting the tank or opening the manway. CIP fittings matter because no one wants to enter a tank for routine cleaning.
We build these vessels in SUS304 or SUS316L. SUS304 handles most ale and lager production. SUS316L is specified when the cellar uses chloride-based cleaners or coastal air brings higher corrosion risk. Product contact welds are ground, passivated, and polished to a sanitary finish. The cone and lower cylinder carry dimple cooling jackets; insulation is 80–100 mm PU with stainless cladding. Racking arms, butterfly valves, sample valves, dry hop ports, and CIP spray balls are matched to the tank size.
| Item | Specification |
|---|---|
| Capacity | 10BBL / 20BBL, custom sizes available |
| Material | SUS304 or SUS316L |
| Design pressure | 1.5–3.0 bar, depending on configuration |
| Cooling | Dimple jacket on cone and cylinder |
| Insulation | 80–100 mm polyurethane |
| Outlet | Bend racking arm with butterfly valve |
| CIP | Spray ball, 1.5-inch TC connection |
| Surface finish | Sanitary polish, Ra ≤ 0.8 µm on product contact |
Pressure control needs respect. A unitank may be rated for 1.5–3.0 bar, but the safety valve must be set below the design pressure. The valve protects the tank; it is not a working pressure regulator. For CIP, use a dedicated spray ball line and verify coverage before relying on it. Connect the racking arm to the transfer hose, the CIP arm to the cleaning loop, and the jacket to the glycol supply and return.
Common Questions
Why a conical bottom? The cone collects yeast and trub, so dumping is easier and racking is cleaner. A 60° cone suits most 10BBL and 20BBL unitanks. 10BBL or 20BBL? Match the tank to your brewhouse batch and fermentation turns. A 20BBL tank fed by a 10BBL brewhouse needs double batches, which affects gravity, timing, and cooling load. What do we need before quoting? Batch size, beer type, number of tanks, ceiling height, glycol temperature, and available floor space. Small brewpubs often choose 10BBL tanks with simple jackets. Commercial breweries may move to 20BBL or larger with higher pressure ratings and automated CIP.
Tell us your batch size, beer type, number of fermentation tanks and available space. We can recommend the tank volume, cooling area and configuration for your brewery.
Structure of a Beer Fermentation Tank
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