{"id":10007,"date":"2026-08-27T07:08:15","date_gmt":"2026-08-27T07:08:15","guid":{"rendered":"https:\/\/micetbrewing.com\/?p=10007"},"modified":"2026-08-28T07:02:08","modified_gmt":"2026-08-28T07:02:08","slug":"three-barrel-brewing-system-a-real-3-bbl-spec-breakdown","status":"publish","type":"post","link":"https:\/\/micetbrewing.com\/ru\/three-barrel-brewing-system-a-real-3-bbl-spec-breakdown\/","title":{"rendered":"Three Barrel Brewing System: A Real 3 BBL Spec Breakdown"},"content":{"rendered":"

Nancy Shang | Founder and CEO, MICET | Published August 27, 2026<\/p>\n

A three barrel brewing system produces roughly 352 litres of wort per batch (3 BBL \u00d7 117.35 L). A standard package covers a mash tun, kettle, hot liquor tank, wort pumps, plate heat exchanger, and control panel. It suits taprooms, brewpubs, and small production breweries running frequent small batches.<\/p>\n

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What a 3 BBL package actually contains<\/h2>\n

The barrel figure describes the kettle’s working batch volume, not the size of every vessel. This trips up first-time buyers who assume all three vessels are the same capacity.<\/p>\n\n\n\n\n\n\n\n\n\n
\u041a\u043e\u043c\u043f\u043e\u043d\u0435\u043d\u0442<\/td>\nFunction<\/td>\nSizing relationship to the 3 BBL figure<\/td>\n<\/tr>\n
Mash tun<\/td>\nHolds grain and strike water for conversion; often combined with lauter function<\/td>\nTotal volume must exceed 3 BBL to hold grain bed plus liquor \u2014 grain occupies real space<\/td>\n<\/tr>\n
Kettle<\/td>\nBoils wort; this is where the 3 BBL rating comes from<\/td>\nTotal volume exceeds working volume to allow boil headspace<\/td>\n<\/tr>\n
Hot liquor tank (HLT)<\/td>\nStores and heats strike and sparge water<\/td>\nUsually the largest vessel in the set, or sized to serve double batches<\/td>\n<\/tr>\n
Wort pumps<\/td>\nTransfer between vessels and to the fermenter<\/td>\nCount varies with vessel configuration<\/td>\n<\/tr>\n
Plate heat exchanger<\/td>\nDrops wort from boil temperature to pitching temperature<\/td>\nRated by flow rate and cooling water inlet temperature<\/td>\n<\/tr>\n
Control panel<\/td>\nRuns pumps, heating, and temperature display<\/td>\nAutomation depth varies; see the section below<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

MICET’s \u043f\u043e\u0434\u0435\u0440\u0436\u0430\u043d\u043d\u043e\u0435 \u043f\u0438\u0432\u043e\u0432\u0430\u0440\u0435\u043d\u043d\u043e\u0435 \u043e\u0431\u043e\u0440\u0443\u0434\u043e\u0432\u0430\u043d\u0438\u0435<\/a> listings cover compact brewhouse configurations from 2 BBL to 10 BBL, supplied as a mash tun plus kettle plus hot liquor tank package with pumps, heat exchanger, and control panel included. A 3 BBL system sits comfortably inside that range on both the new-build and refurbished side.<\/p>\n

The spec sheet: published values and honest blanks<\/h2>\n

This is the table to take into a supplier conversation. I have separated what is published from what is not, because filling blanks with plausible-sounding numbers is how buyers end up with vessels that do not fit through the door.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Spec field<\/td>\nPublished value<\/td>\nNotes<\/td>\n<\/tr>\n
Nominal batch size<\/td>\n3 BBL (\u2248352 L)<\/td>\nKettle working volume<\/td>\n<\/tr>\n
Configuration range available<\/td>\n2\u201310 BBL<\/td>\nUsed and new-build packages<\/td>\n<\/tr>\n
Vessel count<\/td>\n3 (mash tun, kettle, HLT)<\/td>\n2-vessel combined configurations exist at this scale<\/td>\n<\/tr>\n
Included ancillaries<\/td>\nPumps, plate heat exchanger, control panel<\/td>\nPer published package description<\/td>\n<\/tr>\n
Shell material<\/td>\nNot published for brewhouse vessels<\/td>\nSUS304 is standard across the fermentation tank line; confirm for brewhouse<\/td>\n<\/tr>\n
Vessel diameter<\/td>\nNot published<\/td>\nRequired for door and ceiling clearance planning<\/td>\n<\/tr>\n
Overall height with legs<\/td>\nNot published<\/td>\nAsk for height with and without the manway open<\/td>\n<\/tr>\n
Total vs working volume per vessel<\/td>\nNot published<\/td>\nAsk for both figures on all three vessels<\/td>\n<\/tr>\n
Heating method<\/td>\nNot published per unit<\/td>\nElectric, direct-fire, and steam all exist at this scale \u2014 confirm which<\/td>\n<\/tr>\n
Heating element rating (kW)<\/td>\nNot published<\/td>\nDrives your electrical service decision<\/td>\n<\/tr>\n
\u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f<\/td>\nNot published for brewhouse vessels<\/td>\nPolyurethane is used on the fermentation tank line<\/td>\n<\/tr>\n
Manway type and orientation<\/td>\nNot published<\/td>\nSide vs top changes cleaning ergonomics<\/td>\n<\/tr>\n
Heat exchanger plate count \/ flow rate<\/td>\nNot published<\/td>\nAsk for the rated flow at your local cooling water temperature<\/td>\n<\/tr>\n
Pump type and count<\/td>\nNot published<\/td>\nCentrifugal is standard; confirm whether one or two<\/td>\n<\/tr>\n
Control panel automation level<\/td>\nNot published<\/td>\nSee automation section<\/td>\n<\/tr>\n
Certificate number (used units)<\/td>\nNot disclosed<\/td>\nSee certification section<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Eleven “not published” rows on one table looks unhelpful. It is the opposite. Every one of those fields is answerable by a supplier in a single email, and a supplier who cannot answer them promptly for a specific unit is telling you something useful.<\/p>\n

How 3 BBL compares to its neighbours<\/h2>\n

Choosing between 2, 3, 5, and 7 BBL rarely comes down to equipment price alone. Batch frequency and cellar economics matter more.<\/p>\n\n\n\n\n\n\n\n\n\n\n\n
Dimension<\/td>\n2 BBL<\/td>\n3 BBL<\/td>\n5 BBL<\/td>\n7 BBL<\/td>\n<\/tr>\n
Wort per batch<\/td>\n\u2248235 L<\/td>\n\u2248352 L<\/td>\n\u2248587 L<\/td>\n\u2248821 L<\/td>\n<\/tr>\n
Kegs per batch (half-barrel)<\/td>\n~4<\/td>\n~6<\/td>\n~10<\/td>\n~14<\/td>\n<\/tr>\n
Typical use<\/td>\nPilot, R&D, very small taproom<\/td>\nTaproom, brewpub, small production<\/td>\nBrewpub, regional startup<\/td>\nEstablished brewpub, distribution entry<\/td>\n<\/tr>\n
Grain per batch (rough, mid-gravity)<\/td>\n~45\u201355 kg<\/td>\n~70\u201385 kg<\/td>\n~115\u2013140 kg<\/td>\n~160\u2013195 kg<\/td>\n<\/tr>\n
Manual handling<\/td>\nOne person comfortably<\/td>\nOne person, sacks manageable<\/td>\nTwo people or grain handling aid preferred<\/td>\nGrain handling aid effectively required<\/td>\n<\/tr>\n
Batches per week to hit 300 BBL\/year<\/td>\nImpractical<\/td>\n~2<\/td>\n~1.2<\/td>\nUnder 1<\/td>\n<\/tr>\n
Electrical service (if electric)<\/td>\nOften within existing 3-phase<\/td>\nUsually needs a dedicated circuit<\/td>\nDedicated supply, possibly upgrade<\/td>\nSupply upgrade likely<\/td>\n<\/tr>\n
Available as refurbished<\/td>\nYes (2\u201310 BBL range)<\/td>\nYes<\/td>\nYes<\/td>\nYes<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The grain figures are approximations for planning, not spec values \u2014 actual grain bills vary by recipe and target gravity.<\/p>\n

That fifth row is the one that decides most projects. At 3 BBL, two brew days a week gets you to roughly 300 BBL annually, which is a realistic taproom-plus-limited-distribution volume. Below that, you are brewing constantly for very little beer; above it, you are paying for capacity you fill once a week.<\/p>\n

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Automation: what “control panel included” means and doesn’t<\/h2>\n

At the 3 BBL tier, control panels usually cover pump start\/stop, heating element or steam valve control, and temperature display. That is a semi-automatic system: you confirm each step manually.<\/p>\n

Full step-programmed control \u2014 stored mash profiles with automatic ramp and rest, timed transfers, automated whirlpool rest \u2014 is available at this scale but is generally a specification choice rather than a default inclusion. Compared with the fully skid-mounted plug-and-play units commonly marketed to homebrewers stepping up, a commercial 3 BBL package expects a brewer at the panel and gives you more control over the process in exchange.<\/p>\n

Ask three specific questions: is the mash step profile stored and executed automatically, does the panel log temperature over time, and can it be retrofitted with recipe control later without replacing the enclosure. The third answer matters most if you plan to grow.<\/p>\n

Pairing the cellar: fermenters for a 3 BBL brewhouse<\/h2>\n

A brewhouse without matched fermentation capacity is an expensive way to make a small amount of beer. Published \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0439 \u0440\u0435\u0437\u0435\u0440\u0432\u0443\u0430\u0440 \u0434\u043b\u044f \u0431\u0440\u043e\u0436\u0435\u043d\u0438\u044f <\/a>specifications give you a concrete pairing option:<\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/td>\nPublished value<\/td>\n<\/tr>\n
BBL sizes listed<\/td>\n3\u20135 BBL, 10 BBL, 20 BBL, 40 BBL<\/td>\n<\/tr>\n
Metric sizes listed<\/td>\n2T \/ 4T \/ 6T (2,000 L \/ 4,000 L \/ 6,000 L total)<\/td>\n<\/tr>\n
Working capacity (metric sizes)<\/td>\n1,800 L \/ 3,600 L \/ 5,400 L<\/td>\n<\/tr>\n
Shell material<\/td>\n\u041d\u0435\u0440\u0436\u0430\u0432\u0435\u044e\u0449\u0430\u044f \u0441\u0442\u0430\u043b\u044c SUS304<\/td>\n<\/tr>\n
\u041e\u0445\u043b\u0430\u0436\u0434\u0435\u043d\u0438\u0435<\/td>\nGlycol jacket<\/td>\n<\/tr>\n
\u0418\u0437\u043e\u043b\u044f\u0446\u0438\u044f<\/td>\nPolyurethane<\/td>\n<\/tr>\n
Design pressure<\/td>\n0,2 \u041c\u041f\u0430<\/td>\n<\/tr>\n
Test pressure<\/td>\n0.3 MPa<\/td>\n<\/tr>\n
Jacket zone count<\/td>\nNot published<\/td>\n<\/tr>\n
Manway type<\/td>\nNot published<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

The 3\u20135 BBL used fermenter is the natural match for a 3 BBL brewhouse, either one batch per tank or as a double-batch vessel if you brew back-to-back on the same day.<\/p>\n

How many? Take your target annual barrels, divide by 52 for weekly volume, then multiply by your average tank residency in weeks. A 3 BBL brewery targeting 300 BBL\/year with 18-day average residency (roughly 2.6 weeks) needs about 15 BBL of live fermentation capacity \u2014 that is five 3 BBL fermenters, or three if you use 5 BBL vessels and double-batch. Add brite tank capacity separately, or packaging becomes your bottleneck instead.<\/p>\n

Certification on a 3 BBL system<\/h2>\n

Brewhouse vessels operate at atmospheric pressure and generally fall outside pressure equipment scope. Fermentation and brite tanks do not \u2014 they are pressure vessels, and at 0.2 MPa design pressure they sit within the scope of the EU Pressure Equipment Directive.<\/p>\n

MICET holds a PED Verification, certificate 3N231110.SICS093, issued by Ente Certificazione Macchine Srl, covering brewing equipment, beer equipment, brewery equipment, and pressure vessels against Directive 2014\/68\/EU with verification to EN 1626:2008. Issued November 10, 2023, valid to November 9, 2028. A second voluntary Verification of Conformity, ICR\/VC\/HM2507146, issued by ICR Co., Ltd., covers brewery, brewing, and fermentation equipment and pressure vessels under PED 2014\/68\/EU with reference to EN 1626:2008 and EN 10204:2004, issued July 16, 2025 and valid to July 15, 2030.<\/p>\n

Both are organization-level verifications held by the manufacturer. They do not automatically transfer to an individual refurbished vessel, and no certificate numbers are disclosed for the used product lines. The used listings reference “ASME\/CE” workmanship in general terms without registration numbers or a named issuing body \u2014 read that as a description of build practice, not as certification of a specific unit.<\/p>\n

If your jurisdiction requires documented pressure vessel status for the fermenters, establish it for those specific tanks in writing before purchase. That is a conversation to have during quotation, not during installation.<\/p>\n

Price: new-build and refurbished<\/h2>\n

Published pricing for this category:<\/p>\n