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500L 4 Vessels Brewhouse
Cassman
The core of the 4-vessel system is its philosophy of "no-compromise process isolation." Each of the four dedicated vessels—Mash Tun, Lauter Tun, Brew Kettle, and Whirlpool—is optimized for a single function, preventing the process trade-offs inherent in "combo-vessel" systems. This setup is typically complemented by a Hot Liquor Tank (HLT) and a dedicated whirlpool, forming a complete, high-performance brewing unit.
Achieve flawless consistency and unlock complex flavor profiles with a system where every parameter is under your command.
No Functional Compromise: Unlike 2 or 3-vessel systems, the 4-vessel design completely separates mashing, lautering, boiling, and whirlpooling. This prevents process interference, such as residual starches from the mash tun affecting the boil or spent grains from the lauter tun clouding the kettle.
Total Parameter Control: Independently manage every variable. Fine-tune sparge water temperature in the lauter tun to maximize extraction without releasing unwanted tannins. Execute precise hop addition schedules in the brew kettle, from a 60-minute bittering charge to a 5-minute aroma addition. This level of control is the key to eliminating batch-to-batch variability—the number one challenge for growing craft breweries.
Example: Perfecting the IPA: When brewing a hop-forward IPA, the 4-vessel system excels. It allows for multiple late-boil aroma hop additions and a highly effective whirlpool hop stand (or "hop-shot") to maximize aromatic oil extraction while minimizing isomerization, a feat difficult to achieve in systems where temperature fluctuations and process overlap can drive off delicate aromas.
The 500L 4-Vessel Brewhouse is an engine of productivity, built for both flexibility and scale.
High Batch Throughput: A typical 500L batch cycle is completed in just 4-5 hours. This allows for 4-5 brews per day, translating to a daily production capacity of 2,000-2,500L. When paired with an adequate number of fermenters, a continuous "brewing-to-fermentation" pipeline can push daily output beyond 3,000L.
"Semi-Continuous" Brewing: The dedicated vessels enable parallel operations. You can begin mashing in the next batch while the previous batch is boiling or whirlpooling, boosting efficiency by over 30% compared to the "wait time" required in 2 or 3-vessel systems.
Flexible Capacity: The 500L batch size is the perfect sweet spot. It's small enough for low-risk pilot batches when developing new recipes, yet large enough for high-volume production runs to consistently supply your taproom, bars, and retail partners.
Engineered for long-term operational success, this system grows with your brewery.
Advanced Automation: The 500L system comes standard with a PLC-based automated control system featuring a user-friendly touchscreen. Pre-set and execute entire mash profiles, automatically control temperatures, and log all process data for batch traceability. This allows 1-2 operators to manage the entire brewhouse, reducing labor dependency.
Effortless Cleaning & Maintenance: The simple, single-function design of each vessel eliminates the "hidden corners" and cleaning challenges of integrated systems. The lauter tun's false bottom is easily removed for deep cleaning, and the kettle's interior is fully accessible.
Modular Expansion: As your demand grows, your brewhouse can grow with you. Add a second 4-vessel line for parallel brewing, or integrate advanced modules like a CIP (Clean-In-Place) system, an automated hop doser, or a larger heat exchanger without replacing the core system.
This system is designed to get the most out of your ingredients and energy, delivering long-term cost savings.
Maximized Mash Efficiency: The dedicated lauter tun, complete with a grain rake and optimized sparging design, boosts mash extraction rates to 80-85%—a 5-10% improvement over less specialized systems. For a 500L batch, this can save 20-30 kg of malt per brew, translating to an annual cost saving of ¥50,000-¥80,000.
Optimized Energy Use: Steam heating, the standard for this class of brewhouse, achieves a thermal efficiency of 75-80% (over 20% higher than electric). Furthermore, heat from the kettle boil can be recovered to pre-heat sparge water, reducing long-term energy costs by 15-20% compared to smaller, less efficient systems.
The Cassman 500L 4-Vessel Brewhouse is the ideal investment for small-to-mid-sized craft breweries and regional craft brands with a daily production target of 2,000-6,000L. It is perfectly suited for breweries that are:
Quality-Focused: Specializing in high-end craft styles (e.g., barrel-aged beers, sours, specialty malt showcases) where wort purity and batch consistency are paramount.
Growth-Oriented: Currently supplying 10-30 partner channels (bars, restaurants, retail) and planning for capacity expansion within the next six months.
Ready to Invest: Have a facility with 30+ m² (320+ sq ft) of space and an initial equipment budget of ¥300,000-¥600,000, including the associated boiler system.
Strategically Minded: Planning to develop a diverse product portfolio (IPAs, Stouts, Lagers, etc.) and potentially expand into packaging and wider distribution within 1-2 years.
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