Description
Where a 500L Single-Wall Tank Fits
Most 500L tanks we build are not the main fermenter in a cellar. They work as blending vessels, juice settling tanks, barrel-topping holders, or the first tank for a winery that is still growing. Single wall means no jacket and no insulation: the wine sits at whatever the room holds. In a cellar running 12–16°C that is fine for short-term storage and racking. If you need to crash-cool or hold a ferment through a warm August, you want a jacketed tank, or an immersion plate tied to a glycol loop.
Material and Fabrication
Shell and dished bottom are 304 stainless, 2 mm on the body for a 500L unit. Thinner steel dents in transit and oil-cans when a vacuum forms. We TIG weld with argon purge on the product side, then grind and pickle the seams. Interior is 2B mill finish; a 320-grit mechanical polish is available if you are handling white juice and want an easier surface to inspect.
Standard fittings: 1.5 in tri-clamp racking port, 1 in sample valve, 1.5 in CIP spray ball, 1.5 in vent, and a 1.5 in bottom drain with tri-clamp butterfly. Legs are 304 tube with adjustable feet, set so the drain clears a standard bucket or pump inlet. EPDM seals as standard, silicone or Viton on request. The 400 mm top manway lets someone reach the bottom seam with a brush — at this size that matters more than most buyers expect.
Typical Specifications
| Working capacity | 500 L (132 US gal) |
| Shell material | 304 stainless, 2 mm |
| Interior finish | 2B mill; 320-grit polish optional |
| Cooling | None — single wall, cellar-controlled temperature |
| Manway | 400 mm top opening |
| Drain | 1.5 in tri-clamp butterfly |
| Ports | Racking, sample, vent, CIP spray ball |
| Support | 304 tube legs, adjustable feet |
Buyer Questions
Can it ferment? Ambient ferments, yes. The tank is vented and built as an atmospheric vessel, so any pressure use requires a different design with a rated relief valve.
Do I need a jacket? If your cellar swings more than a few degrees across the day, a jacketed tank costs less than losing a batch.
How is it cleaned? The 1.5 in spray ball handles a 500L tank with roughly ten minutes of caustic circulation, followed by acid and a rinse.
304 or 316L? 304 covers wine at this scale. 316L only pays off if your cleaning chemistry or process water runs high in chloride.
Tell us your batch size, wine type, number of tanks and available floor space. We can recommend the tank volume, fitting layout and whether a jacketed version is the better buy for your cellar.
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