Description
25HL Conical Beer Fermenter: A Practical Overview
This 25HL (about 21 US barrels) fermenter is typically specified by brewpubs moving beyond 10–15 BBL batches or production breweries needing extra fermentation capacity without a full tank farm expansion. The cone angle and jacket coverage matter more than the volume number alone.
Materials and Fabrication
We build these in SUS304 as standard, with 316L available for beer styles or cleaning regimes that demand higher chloride resistance. Interior surfaces are pickled and passivated, then mechanically polished to under 0.8µm Ra. Welds are full-penetration TIG, ground flush on product-contact sides. The dimple cooling jacket is welded directly to the cone and lower cylinder, with 1.5–2 bar working pressure on the glycol side.
Cooling and Pressure Control
Conical fermenters need temperature control during active fermentation, not just crash cooling. Our jacket layout covers roughly 60–70% of the cone and lower sidewall, which handles most ale and lager profiles. A top-mounted CIP spray ball and 4-inch dry-hop port simplify cleaning and hopping. Each tank ships with a pressure relief valve set to the design pressure—usually 1.5 bar for unitanks, 2.5 bar for bright-beer-rated vessels.
Applications and Selection Notes
Craft breweries use these for primary fermentation, secondary conditioning, or as a brite tank with carbonation stone. Smaller brewpubs often choose 25HL when their kettle capacity is 20–22HL, leaving headspace for krausen. If you run high-gravity beers or fruit additions, request a larger cone volume and an extra bottom port.
Specifications
| Parameter | Value |
|---|---|
| Nominal volume | 25 HL (2500 L) |
| Material | SUS304 / 316L |
| Cone angle | 60° or 90° |
| Working pressure | 1.5–2.5 bar (as configured) |
| Cooling jacket | Dimple plate, glycol rated |
| Surface finish | <0.8µm Ra interior |
FAQs
Can I use this as a brite tank? Yes, if ordered with carbonation stone and higher pressure rating. Confirm with us before ordering.
How do I connect CIP and glycol? Standard tri-clamp fittings on all ports. We provide a port layout drawing during order confirmation.
What is the lead time? Typically 4–6 weeks depending on jacket configuration and port customization.
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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