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- PLC semi\u2011automatic touch panel:\u00a0Operators can manually adjust key parameters (valve opening, pump start\/stop, temperature fine\u2011tuning). Ideal for brewers who value process flexibility and need to adapt recipes to raw material variations or seasonal changes, especially for small\u2011batch recipe development.<\/li>\n\n\n\n
- PLC fully automatic control panel:\u00a0One\u2011touch recipe setting \u2013 the system automatically executes all steps (mashing, lautering, boiling, whirlpool) with fault alarms and parameter logging. Suitable for standardized, continuous production, greatly reducing human error and enabling production traceability.<\/li>\n<\/ul>\n<\/li>\n\n\n\n
- Power supply:\u00a0Supports standard industrial voltages \u2013 three\u2011phase 380V\/50Hz (customizable to 220\/415\/480V and 60Hz), single\u2011phase 220V (or 110\/240V) for auxiliary control circuits. A dedicated distribution box is recommended to ensure stable operation and avoid voltage fluctuations.<\/li>\n\n\n\n
- Facility space:\u00a0Depending on the number of vessels and layout (mostly vertical or horizontal), a minimum ceiling height of 5 meters is recommended (for installation, maintenance, and material hoisting). Floors should be slip\u2011resistant and corrosion\u2011resistant (able to withstand wort and cleaning solution exposure). Separate areas should be reserved for the boiler, heat exchanger, CIP station, and control room. The boiler area must comply with fire and environmental regulations (ventilation and exhaust flues), with at least 1.5 m clearance around equipment for operation and maintenance.<\/li>\n\n\n\n
- Environmental and fire safety requirements:\u00a0The steam boiler must meet local emission standards (e.g., NOx limits); low\u2011NOx boilers are preferred. The brewhouse should be equipped with fire extinguishers and fire hydrants; electrical equipment should be explosion\u2011proof to avoid hazards from steam or alcohol vapor. Some regions require a boiler operating permit \u2013 confirm that the supplier can provide relevant compliance support.<\/li>\n<\/ul>\n\n\n\n
2. Manpower Configuration: Semi\u2011Automatic vs. Fully Automatic<\/h2>\n\n\n\n
Labor cost is a major long\u2011term operating expense. The manpower requirements differ significantly between the two control options:<\/p>\n\n\n\n
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- Semi\u2011automatic system:\u00a0Requires 2\u20133 brewers working together \u2013 one monitors the control panel and adjusts parameters, one handles materials (malt, hops, yeast) and piping connections, and another is responsible for cleaning and preparing the next batch. Best for breweries with many varieties, small batches, and frequent recipe changes (e.g., craft taprooms, small regional brands). Advantage: high process controllability, allowing brewers to optimize flavor based on experience.<\/li>\n\n\n\n
- Fully automatic system:\u00a0Only 1\u20132 brewers are needed \u2013 one loads recipes, starts the system, and monitors parameters, while the other inspects equipment status and handles unexpected issues (e.g., clogged pipes, temperature anomalies). Labor costs are significantly reduced (saving 2\u20133 employee salaries per year), and daily batch output can increase by more than 30%. Ideal for scaled, standardized production in mid\u2011sized breweries, especially those focusing on one or a few core beer styles.<\/li>\n<\/ul>\n\n\n\n
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Additional note:\u00a0Regardless of control type, it is advisable to have one dedicated maintenance person responsible for daily upkeep and replacement of wearing parts to extend equipment life and reduce downtime.<\/p>\n<\/blockquote>\n\n\n\n
![\"5000l-Brauereianlagen](\"https:\/\/metobrew.com\/wp-content\/uploads\/2026\/04\/5000l-brewery-equipment-3.webp\")
<\/figure>\n\n\n\n3. Core Vessel Configurations: 4\u2011, 5\u2011, and 6\u2011Vessel Steam Systems<\/h2>\n\n\n\n
Based on how the mashing and lautering functions are split, common commercial systems fall into three configurations. Choose according to your actual capacity and recipe needs to avoid over\u2011 or under\u2011specification.<\/p>\n\n\n\n
3.1 4\u2011Vessel System (Mash Tun + Lauter Tun + Brew Kettle + Whirlpool)<\/h3>\n\n\n\n
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- Features:\u00a0High functional separation \u2013 mashing and lautering are independent, resulting in a compact process cycle (about 8\u201310 hours per batch). Moderate footprint, lower initial investment, easy maintenance.<\/li>\n\n\n\n
- Best for:\u00a0Small to mid\u2011sized standardized production, suitable for mainstream lagers and ales with good batch consistency. Ideal for new breweries with limited budgets, capacity needs of 20\u201350 HL per batch, and relatively few recipes.<\/li>\n\n\n\n
- Note:\u00a0No dedicated hot water tank \u2013 hot water must be prepared on the fly, which may affect the efficiency of subsequent batches. Suitable for breweries running \u22642 batches per day.<\/li>\n<\/ul>\n\n\n\n
3.2 5\u2011Vessel System (Mash Tun + Lauter Tun + Brew Kettle + Whirlpool + Hot Water Tank \/ Temporary Wort Tank)<\/h3>\n\n\n\n
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- Features:\u00a0Adds a dedicated hot water tank or wort holding tank. Hot water can be prepared in advance (for mashing and cleaning), enabling staggered use of hot water and wort \u2013 significant energy savings (15\u201320% less gas consumption). A wort holding tank buffers the process, preventing delays in one stage from affecting the entire schedule.<\/li>\n\n\n\n
- Best for:\u00a0Breweries that prioritize energy efficiency or plan to produce high\u2011gravity worts, with 2\u20133 batches per day. Suitable for capacities of 30\u201350 HL per batch, balancing cost and efficiency.<\/li>\n\n\n\n
- Additional advantages:\u00a0Insulation on the hot water tank reduces heat loss; the wort holding tank minimizes wort exposure to oxygen, preserving freshness.<\/li>\n<\/ul>\n\n\n\n
3.3 6\u2011Vessel System (adds a Cereal Cooker or second Mash Tun to the 5\u2011vessel setup)<\/h3>\n\n\n\n
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- Features:\u00a0Supports dual mashing (two mash tuns operating in parallel) or separate cooking of adjuncts like rice or corn, greatly improving daily output (up to 3\u20134 batches per day). Can process raw grains to optimize mouthfeel (e.g., reducing astringency, increasing crispness).<\/li>\n\n\n\n
- Best for:\u00a0Large commercial production with very high output demands (50\u201380 HL per batch) and recipes that include raw grains (e.g., American light lagers). Suitable for breweries planning significant expansion or regional chain brands.<\/li>\n\n\n\n
- Note:\u00a0Higher investment cost, larger footprint, and requires a fully automatic control system to achieve maximum efficiency. Best for long\u2011term, large\u2011scale operations with stable market demand.<\/li>\n<\/ul>\n\n\n\n
![\"peiping](\"https:\/\/metobrew.com\/wp-content\/uploads\/2026\/04\/peiping-10-1.webp\")
<\/figure>\n\n\n\n4. Customization and Expandability<\/h2>\n\n\n\n
A good supplier will offer comprehensive customization based on your capacity, recipes, and facility conditions. Key customization areas include:<\/p>\n\n\n\n
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- Heating zone design:\u00a0Optimize the layout and area of steam jackets for different batch sizes (e.g., 20HL, 50HL) to ensure rapid heating and vigorous boiling without batch\u2011to\u2011batch temperature variation. Jacket insulation can be added to reduce heat loss and energy costs.<\/li>\n\n\n\n
- Power and fuel adaptation:\u00a0Boiler evaporation rate can be customized (e.g., 0.3\u20130.5 t\/h for 20\u201330HL systems, 0.6\u20131 t\/h for 40\u201350HL systems). Voltage can be tailored to local mains frequency (50\/60Hz). Fuel options include natural gas, LPG, or light diesel \u2013 choose the most cost\u2011effective and readily available fuel in your area.<\/li>\n\n\n\n
- Expandability:\u00a0Design with interfaces for future upgrades \u2013 add more vessels (e.g., 4\u2011vessel to 5\u2011vessel) or upgrade the control system (semi\u2011auto to fully auto). Pre\u2011provision mounting positions for hop addition systems or yeast addition systems to support future process enhancements (e.g., IPA, fruit beers).<\/li>\n\n\n\n
- Material customization:\u00a0Main vessels can be 304 or 316L stainless steel (316L offers better corrosion resistance for fruity or sour beers). Pipes and valves should be food\u2011grade to avoid contamination.<\/li>\n<\/ul>\n\n\n\n
5. Key Component Selection Points<\/h2>\n\n\n\n
The quality of core components directly determines production stability and product quality. Pay special attention to the following when selecting equipment:<\/p>\n\n\n\n
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- Steam boiler:\u00a0Prefer low\u2011NOx, high\u2011efficiency gas boilers (thermal efficiency \u226590%) with automatic pressure regulation, low\u2011water protection, and overpressure alarm. Boiler materials must meet food\u2011grade standards to avoid steam contamination. Choose a reputable brand for better after\u2011sales support and spare parts availability.<\/li>\n\n\n\n
- Agitation system:\u00a0Mash tun and brew kettle need efficient agitators with adjustable speed to suit different mixing requirements. Agitator blades should be food\u2011grade stainless steel with a well\u2011designed geometry (blade angle, speed) to prevent uneven heating or incomplete mashing. Variable\u2011frequency drive (VFD) agitation is recommended for energy savings and low noise.<\/li>\n\n\n\n
- Temperature and pressure sensors:\u00a0Use high\u2011accuracy sensors (temperature error \u2264\u00b10.5\u00b0C, pressure error \u2264\u00b10.01 MPa) to monitor critical parameters in real time. Sensors must be waterproof and corrosion\u2011resistant to survive the humid, caustic brewhouse environment, and easy to calibrate and replace.<\/li>\n\n\n\n
- CIP system:\u00a0A fully automatic CIP station enables automatic cleaning and sanitizing of vessels and pipes, reducing manual labor and preventing contamination from inadequate cleaning. The CIP system should have adjustable temperature and pressure to work with different cleaning solutions (e.g., caustic, acid) and meet food hygiene standards.<\/li>\n<\/ol>\n\n\n\n
6. Supplier Selection and After\u2011Sales Support<\/h2>\n\n\n\n
Choosing a reliable supplier is key to long\u2011term stable operation. Evaluate potential suppliers on the following:<\/p>\n\n\n\n
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- Qualifications and experience:\u00a0The supplier must have food\u2011grade equipment manufacturing credentials (e.g., ISO9001, food\u2011contact stainless steel certification) and proven experience in producing and installing 20HL\u201350HL steam\u2011heated systems. Ask for references from similar breweries (site visits are best).<\/li>\n\n\n\n
- Customization and technical capability:\u00a0The supplier should have a dedicated engineering team that can tailor the design to your facility, recipes, and capacity needs, and provide process optimization advice (e.g., mashing parameters, energy savings).<\/li>\n\n\n\n
- After\u2011sales support:\u00a0Warranty period (typically 1\u20132 years) covering free replacement of wearing parts and on\u2011site repairs during the warranty period. Lifetime technical support with fast response (preferably within 24 hours). Provide comprehensive training on equipment operation and maintenance.<\/li>\n\n\n\n
- Spare parts availability:\u00a0The supplier should maintain adequate inventory of wearing parts (valves, seals, sensors) to avoid extended downtime due to parts shortages.<\/li>\n<\/ul>\n\n\n\n
7. How to Choose the Right System for Your Needs?<\/h2>\n\n\n\n
Consideration<\/th> Recommended Configuration<\/th> Additional Advice<\/th><\/tr><\/thead> Limited initial budget, frequent recipe changes<\/td> 4\u2011vessel + semi\u2011auto control<\/td> Reserve expansion interfaces for future upgrade to 5\u2011vessel or fully auto<\/td><\/tr> Focus on long\u2011term labor savings and standardization<\/td> 5\u2011vessel + fully auto control<\/td> Pair with a low\u2011NOx, high\u2011efficiency boiler to reduce long\u2011term energy costs<\/td><\/tr> High output with adjuncts (e.g., rice, corn)<\/td> 6\u2011vessel + fully auto control<\/td> Choose 316L stainless steel for better corrosion resistance with adjunct brewing<\/td><\/tr> High energy costs<\/td> 5\u2011vessel (with hot water tank) + high\u2011efficiency boiler<\/td> Add insulation to vessels and optimize steam usage<\/td><\/tr> New brewery, uncertain future capacity needs<\/td> 5\u2011vessel + semi\u2011auto control<\/td> Balances flexibility and expandability; can be adjusted later based on market demand<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Summary<\/h2>\n\n\n\n
A 20HL\u201350HL steam\u2011heated commercial brewing system is an important milestone as a brewery moves from \u201chandcrafted artisan\u201d to \u201cstable commercial production.\u201d When selecting equipment, carefully consider your recipe complexity, operator skill level, facility constraints, and production plans for the next three years. Choose the right number of vessels, control system, and core components, while balancing initial investment against long\u2011term operating costs, and select a reliable supplier with strong after\u2011sales support.<\/p>\n\n\n\n
Whether you prefer the hands\u2011on control of a semi\u2011automatic system or the efficiency and consistency of a fully automatic one, modern steam brewing technology provides a reliable, clean, and efficient solution. Proper equipment selection not only improves production efficiency and product quality but also lowers operating costs, laying a solid foundation for your brewery\u2019s long\u2011term growth.<\/p>\n\n\n\n
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