Beer Line Cleaning

Beer on Tap System Essentials: Your Guide to Perfect Pours

January 12, 2024
Beer on Tap System Essentials: Your Guide to Perfect Pours

A beer-on-tap system, commonly referred to as a draft beer system, is an innovative method to dispense beer directly from a keg, ensuring optimal flavor and freshness. The primary benefits are enhanced taste and the ability to serve larger volumes efficiently, which are critical for commercial establishments as well as for beer aficionados at home. The design of these systems typically involves a series of components including kegs, taps, faucets, hoses, refrigeration units, and gas (usually carbon dioxide or nitrogen) to propel the beer from the keg and maintain its carbonation level.

Beer and Glasses
Draft Beer Tower

Choosing the right draft beer system requires consideration of the space available, the volume of beer you anticipate serving, and the variety you wish to offer. There are several types of systems, from basic direct-draw systems suitable for small operations or home use to complex long-draw systems for larger venues with multiple taps. Successful installation and ongoing operation hinge on understanding the technical requirements and proper maintenance protocols to preserve the beer's quality and the system's functionality.

Key Takeaways

  • Beer-on-tap systems deliver fresh, well-preserved flavor directly from the keg.
  • Selecting a system depends on demand, space, and desired beer selection.
  • Proper installation and maintenance are critical for optimal operation.

Basics of Draft Beer Systems

Key Elements of a Remote Draft Beer System
Key Elements of a Remote Draft Beer System

Draft beer systems are integral to the presentation and enjoyment of beer. They manage the delivery of beer from keg to tap, ensuring the optimal temperature and carbonation are maintained.

Understanding Kegs

A keg is the foundational component of any draft beer system, serving as the vessel that contains and preserves the beer. They come in various sizes, typically ranging from 5 to 15.5 gallons. The standard beer keg size used in a commercial setting in the U.S. is a half-barrel, which holds about 124 pints of beer. Inside the keg, beer is maintained under pressure, usually using carbon dioxide (CO2), to keep it fresh and to facilitate dispensing.

Types of Beer Systems

There are predominantly three types of beer systems which include:

  1. Direct Draw Systems: Often referred to as a kegerator, this is a smaller-scale system where the keg is typically located directly below the tap within a refrigerated cabinet. It’s revered for its simplicity and compactness, making it perfect for both home and commercial use.
  2. Long Draw Systems: This category can be split into glycol-cooled and air-cooled systems.-
    -Glycol Cooled Systems
    : These are designed for delivering beer over long distances while keeping it at the vital 38 degrees Fahrenheit. A mixture of water and propylene glycol is chilled and circulated alongside the beer lines to maintain the beer's temperature from the keg to the faucet.
    - Air Cooled Systems
    : Utilizing an insulated conduit with forced air to maintain a steady temperature, these systems are more suited to shorter runs.

It's important to note that maintaining the correct temperature, as indicated by Draft Beer System Fundamentals, is crucial to minimize foaming and ensure the beer's integrity. Draft beer system equipment typically includes a tap, a faucet, and a tower where the beer is dispensed, with varying complexity based on the system type.

Design and Components

Custom Wall Mount Tower
Custom Wall Mount Tower

The integrity and efficiency of a beer-on-tap system are defined by its design and the components that make it functional. Whether it’s for a commercial setting or a home bar, understanding these aspects is crucial for delivering the perfect pint.

System Design

The design of beer tap systems is essential for maintaining the quality and taste of beer from keg to glass. There are several types of beer tap systems available, each suited to different needs. Generally, these systems fall into two categories: direct draw and long draw, with the latter being either glycol-cooled or air-cooled. A well-constructed system design ensures that beer is dispensed at the ideal temperature and carbonation level, which is a key factor in achieving a consistent pour.

Key Components

Every beer tap system consists of several key components that work collectively to dispense beer. At the heart of the operation is the keg, which stores the beer. The beer is pushed through the system by pressure from a CO2 tank, which is regulated by a regulator to ensure a consistent flow. The keg coupler connects the keg to the beer line, leading up to the faucet where beer is poured.

  • Keg: The beer's storage vessel.
  • CO2 Tank: Supplies pressure to push the beer through the system.
  • Regulator: Manages CO2 pressure for optimal beer flow.
  • Keg Coupler: Links the keg to the beer line.
  • Beer Line: A tube that transports beer from the keg to the faucet.
  • Faucet: The endpoint where beer is dispensed to the glass.

For long draw systems, glycol cooling is often used to maintain the beer temperature as it travels through extended lines, ensuring the beer remains chilled from keg to tap. These components, when assembled correctly, create an integrated and efficient beer dispensing system.

Glycol Chiller Used to Chill Glycol in a Remote System
Glycol Chiller Used to Chill Glycol in a Remote System

Installation Process

The installation process for beer tap systems is critical for ensuring a perfect pour every time. Accurate installation of the system influences the beer's freshness and taste. There are two primary types of systems: Direct Draw and Long Draw, each with its own installation considerations.

Direct Draw Systems

Direct Draw beer systems are typically used in smaller setups such as kegerators or under-counter keg coolers. In these systems, the keg is located directly below the beer tap, making the distance the beer needs to travel very short. Installation involves:

  • Connecting the keg coupler to the keg; is the valve that controls the flow of beer from the keg to the line.
  • Connecting the Regulators to the Primary Regulator and Keg Coupler.
  • Attaching beer lines from the coupler to the faucet; should be insulated to maintain the optimal temperature.
  • Mounting the drip tray directly below the faucet to catch any spills or drips, ensures a clean serving area.

Long Draw Systems

Long Draw systems are used to serve beer over longer distances, typically in larger bars and restaurants. They require more extensive installation and can be complex due to the length of beer lines running from the keg to the tap. The installation steps include:

  • Ensuring beer lines are properly insulated along their entire length to prevent temperature fluctuations that can affect beer quality.
Beer Trunkline
Beer Trunkline
  • Using a combination of CO2 and nitrogen gasses to propel beer through the lines at a controlled rate.
Green Air Supply Nitrogen Separator
Green Air Supply Nitrogen Separator
  • Regular maintenance checks to detect and rectify any potential issues, such as blockages or leaks, which can impact the system's efficiency and the quality of the poured beer.

Each installation type needs to be approached with precision to maintain the integrity of the beer being served.

Operation and Maintenance

Ensuring the quality of beer on tap entails careful attention to both operation and maintenance practices. Mastery of the perfect pour technique and rigorous cleaning schedules are paramount for superior taste and functionality.

Perfect Pour Technique

Steps for the Perfect Pour:

  1. Chill Glasses: Start with a clean, cold glass tilted at a 45-degree angle.
  2. Begin Pour: Aim for the middle of the slope, not the bottom of the glass.
  3. Straighten Glass: Halfway through, bring the glass to a 90-degree angle.
  4. Stop Pour: Cease when the glass contains the desired amount of beer with an appropriate head, usually about 1 to 1.5 inches.
Pouring Draft Beer
Pouring Draft Beer

This method reduces excess foam and ensures a properly poured beer delivers the best experience.

Cleaning and Maintenance

Regular Maintenance Tasks:

  • Check CO2 levels and pressure: Ensure that CO2 tanks have enough gas and that regulators are adjusted to the correct pressure for the type of beer.
  • Inspect and clean the beer tower: Examine for any wear or contaminants.
  • Replace lines when necessary: Old or worn lines can affect taste and should be replaced according to the manufacturer's recommendations.

Cleaning Schedule:

  • Daily: Rinse lines with cold water to prevent buildup.
  • 2 Weeks: Clean the beer lines with a chemical solution appropriate for removing beer stone and bacteria that can ruin beer quality.
  • Quarterly: Perform a deep clean, disassembling and soaking faucets and couplers in cleaning solution.

Following these practices will maintain the system's cleanliness and operation, protecting the beer's integrity and ensuring the perfect pour.

Expanding Your Draft System

When businesses decide to expand their draft system, they are often looking to customize their offerings to enhance the customer experience and increase profits. Selecting the right components for expansion ensures versatility and quality across a diverse range of draft beverages.

Customization Options

Customizing a draft beer system involves numerous components that can be tailored to meet specific needs. Businesses might consider installing additional faucets on a wooden collar as a more common method for expansion, which allows for a series of faucets without the need to modify existing equipment too extensively. Another aspect is the line length and diameter, which could be adjusted to maintain the beer's quality over the increased distance of travel.

Custom Beer Tower
Custom Beer Tower

Moreover, customization can lead to extending the product range, offering customers a wider variety of beer styles. This can involve integrating nitro taps for stouts or special ales that require a different dispensing method to achieve the right texture and taste.

Beyond Beer: Other Draft Options

Expanding beyond beer opens the door to serving draft wine, kombucha, coffee, and even cocktails. Each of these options requires specific adjustments. For instance, wine should be preserved with the right amount of nitrogen to avoid oxidation. Similarly, kombucha requires a system that can handle its acidity and potential for secondary fermentation.

Custom Tower Serving Draft Cocktails and Beer
Custom Tower Serving Draft Cocktails and Beer

Introducing coffee on tap, especially cold brew, is gaining popularity and, with the right system, it can be dispensed efficiently, maintaining its unique flavors. Draft cocktails provide a quick and consistent serving method for busy venues, ensuring each drink is mixed to perfection. Offering a variety of non-beer options can appeal to a broader audience and boost profitability, as these drinks may come with a higher margin compared to traditional draft beer.

Commercial Considerations

When investing in commercial draft beer systems, businesses must carefully assess their specific needs to enhance customer satisfaction and profitability.

For Bars and Restaurants

Bars and restaurants require draft beer systems that ensure the quality and taste of beer served is consistently high. These establishments often have a variety of beer types on tap to cater to different customer preferences. It's also important to understand that draft beer is 15-20 % of alcohol sales for a bar and restaurant. This means a well-balanced and efficient draft system is a must for restaurants to get the greatest ROI on draft. To do this venues should consult with professional and certified draft technicians.

For Retail and Entertainment Venues

Retail environments, such as convenience stores, and entertainment venues, including sports venues, require beer tap systems that not only deliver quality but also handle high volumes efficiently. These venues may opt for sophisticated beer tap systems that focus on improving keg yield and reducing waste, which are critical for profitability. The systems are designed to be user-friendly, reducing training time for staff and ensuring customers get their orders swiftly, further enhancing the customer experience. By incorporating the latest trends, such as self-service taps, these venues can streamline operations while ensuring customers enjoy a fresh and perfectly poured pint.

Technical Support and Training

In the realm of beer-on-tap systems, technical support and the continuous training of staff play pivotal roles in ensuring the quality and efficiency of service. Proper installation by certified experts and regular maintenance are essential for optimal operation.

Expert Installers and Technicians

Certified installers provide a crucial foundation for draft beer systems, with scalable solutions offered by companies like Micro Matic. They provide nationwide services through installers who are adept in setting up and supporting beer-on-tap systems. The technical support extends beyond initial installation, covering upgrades and regular system maintenance, ensuring that each location's service is consistent and of high quality. Expert technicians are, ready to troubleshoot and preserve the beer system's integrity, irrespective of the scale or geographic location.

Training for Staff

Ongoing staff training is essential for maintaining draft beer system quality. Properly trained staff can prevent common pitfalls, such as foaming, that arise from incorrect usage. Training includes teaching servers how to optimally pour beer, as emphasized by Bar & Restaurant, which outlines the correct technique for opening and closing taps. This expertise ensures that beer is served at the right volume and temperature, contributing to a better customer experience and reduced waste. Comprehensive training programs for staff lead to consistent, high-quality service and the upkeep of the beer system's performance.

Leveraging Draft Systems for Business Growth

Crafting a dynamic beer-on-tap system is a proven strategy that can significantly enhance both the revenue and reputation of a business. With tailored solutions and an engaging approach to draft beer and beverage systems, establishments can foster a loyal customer base and stand out in the competitive market.

Boosting Revenue and Reputation

Revenue Growth Through Variety and Quality: A well-curated tap line-up attracts a diverse clientele and can lead to an increase in sales. Establishments offering a wide range of high-quality, unique, or local craft beers often see a positive effect on their bottom line.

Reputation Building: A business’s commitment to providing fresh and draft beer enhances its reputation among patrons and connoisseurs. Positive experiences related to product variety and quality are shared through word-of-mouth, amplifying the establishment's standing in the community and market.

Innovative Solutions for Events

Promotions and Parties: Custom draft systems can be leveraged during promotions and parties to offer a unique experience. Tailor-made events that highlight specific beer selections or pairings can generate buzz and bring in crowds, directly impacting event-related revenue streams.

Draft Systems for Events: Installing state-of-the-art draft beer and beverage systems for events can set a venue apart. By integrating self-serve options or featuring limited-edition brews, businesses can captivate an audience looking for a differentiated drinking experience—a strong draw for private parties and corporate events.

Through these strategies, businesses can deftly utilize draft systems as a catalyst for growth, enhancing both their economic success and standing in the market.


A beer tap system is a crucial component in serving draft beer. It maintains the beer's quality and taste from keg to glass. There are several types of systems, each suited to different needs and spaces.

Direct Draw Systems: Typically seen in smaller venues or home bars, these systems cool the beer in the same unit where the keg is stored, like with kegerators. These options are cost-effective and space-efficient, ideal for settings with limited space or lower beer volume needs.

Remote Draw Systems: More complex systems require longer beer lines and often involve specialized cooling systems to preserve beer integrity over distance. As mentioned by Draft Beer Dispense, this setup allows for kegs to be stored in a separate location, potentially freeing up valuable bar space.

Cost Considerations: The installation investment can range significantly based on the system’s size and complexity. As Renny's Draft Solutions indicates, basic setups can start at a couple of thousand dollars, whereas more elaborate multi-tap systems can exceed ten thousand dollars.

Key components in these systems include faucets, shanks, coupling nuts, beer lines, and kegs.

Choosing the right beer tap system requires consideration of space, volume, and budget. A well-designed system not only enhances the pouring experience, has the greatest return on investment, and also ensures that the quality and taste of the beer are at their best when served.

Any questions regarding this topic or general questions regarding draft systems please reach out to us at Renny's here. Explore our Beer Education Blog for more great information.


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