The world of beer, cider, and other kegged beverages can be a fascinating, albeit sometimes confusing, landscape. From the casual consumer enjoying a draft beer at a bar to the homebrewer perfecting their latest batch, understanding the different sizes and names of kegs is essential. One of the most popular and versatile sizes is the 5-gallon keg. But what is it called? The answer, while seemingly simple, has a few nuances.
The Most Common Name: Sixth Barrel Keg
The most widely accepted and recognized name for a 5-gallon keg is the sixth barrel keg, often shortened to just “sixth barrel” or even “sixtel.” This name stems directly from its volume relative to a standard US beer barrel, which holds 31 gallons of beer. A 5-gallon keg contains approximately one-sixth of the volume of a full barrel.
This nomenclature isn’t just a technicality. It’s ingrained in the brewing industry’s vocabulary, used by brewers, distributors, bar owners, and even homebrewers. When ordering kegs or discussing inventory, referring to a 5-gallon keg as a sixth barrel is the clearest and most universally understood term.
Why “Sixth Barrel” Matters
Using the correct terminology is crucial for effective communication within the beer industry. Imagine a bar owner ordering “small kegs” from a distributor. That’s ambiguous. A small keg could refer to a 5-gallon sixth barrel, a 2.5-gallon corny keg, or even a smaller novelty keg. Specifying “sixth barrel” removes any doubt and ensures the correct size is delivered.
Furthermore, the term “sixth barrel” is often used in legal and regulatory contexts. Alcohol beverage control agencies might use it when referring to tax rates or distribution regulations for specific keg sizes.
Variations and Regional Differences
While “sixth barrel” is the most common term, it’s worth noting that some regional variations might exist. In some areas, especially among homebrewers, the term “corny keg” might be used, even though technically a corny keg isn’t always exactly 5 gallons, and its construction is very different. However, when referring to a commercially produced keg of beer or cider, stick with “sixth barrel.”
Other Names for a 5-Gallon Keg: Exploring the Alternatives
While “sixth barrel” reigns supreme, other terms occasionally pop up when referring to a 5-gallon keg. Understanding these alternative names, even if you don’t use them yourself, can prevent confusion in certain situations.
Quarter Barrel Slim (Sometimes)
This is where things can get a bit tricky. A quarter barrel, by definition, should hold half the volume of a half-barrel keg (15.5 gallons), meaning it should hold approximately 7.75 gallons. However, sometimes, particularly when discussing a “slim quarter,” the reference can be closer to a 5-gallon keg in physical size.
It’s essential to clarify if someone uses the term “quarter barrel slim” in a conversation. Are they referring to a true quarter barrel with almost 8 gallons, or are they using it loosely to describe the narrower profile of a sixth barrel? Always ask for clarification to avoid miscommunication. A true quarter barrel is much taller and wider than a sixth barrel.
Homebrew Keg Considerations: Corny Kegs
For homebrewers, the situation is slightly different. While commercial breweries primarily use sixth barrels for smaller batch distribution, homebrewers often utilize “corny kegs” or “Pepsi kegs.” These are repurposed stainless steel containers originally used for dispensing soda syrup.
A standard corny keg typically holds around 5 gallons, making it a convenient size for homebrewing. However, it’s important to recognize that corny kegs are designed differently from commercial sixth barrels. They have different fittings, are typically shorter and wider, and are not meant to be tapped with a standard commercial keg coupler. So, although it holds 5 gallons, a “corny keg” is not typically called a “sixth barrel keg” in the industry, and cannot be used commercially without modification and certification.
Why Choose a Sixth Barrel Keg? Advantages and Uses
The 5-gallon sixth barrel keg occupies a sweet spot in the world of keg sizes. Its compact size offers several advantages for both commercial establishments and homebrewers.
Ideal for Small Batch Variety
For bars and restaurants, sixth barrels are perfect for offering a wider variety of beers without committing to large quantities. They allow for rotating tap selections, showcasing seasonal brews, and catering to diverse customer preferences. A bar can offer a dozen different beers on tap, with a lower risk of wasting product.
Perfect for Small Events
Sixth barrels are ideal for parties, gatherings, and smaller events where a full-size keg might be too much. They are easier to transport, require less refrigeration space, and are less likely to result in leftover beer that goes flat.
Homebrewer’s Best Friend
As mentioned, sixth barrels and 5-gallon corny kegs are a favorite among homebrewers. The 5-gallon size allows for manageable batches, experimentation with different recipes, and easy storage in a standard refrigerator or kegerator.
Easy to Handle and Store
Compared to larger kegs, sixth barrels are significantly lighter and easier to handle. This makes them easier to transport, lift, and store, reducing the risk of injury and simplifying logistics for both commercial and home use.
Keg Sizes: A Comprehensive Overview
To fully appreciate the significance of the sixth barrel, it’s helpful to understand the other common keg sizes and their respective volumes.
Standard Keg Sizes
Here’s a breakdown of the most common keg sizes used in the United States, expressed in both gallons and liters:
- Half Barrel (Full Size): 15.5 gallons (58.7 liters). Also known as a full keg.
- Quarter Barrel (Pony Keg): 7.75 gallons (29.3 liters). Sometimes called a half-keg, leading to confusion.
- Sixth Barrel (Sixtel): 5.16 gallons (19.5 liters). The focus of our discussion.
- Cornelius Keg (Corny Keg): Typically 5 gallons (19 liters). Primarily used by homebrewers.
- Mini-Keg: Usually 5 liters (1.32 gallons). Often disposable.
Metric Equivalents and International Variations
While the US system dominates the American beer industry, other countries use metric measurements and different keg sizes. For example, the European standard for a full-size keg is often 50 liters, which is slightly larger than a US half barrel. Keep this in mind when importing or exporting kegged beverages.
Conclusion: The Sixth Barrel – A Vital Component of the Beer World
The 5-gallon keg, almost universally known as the sixth barrel, plays a crucial role in the beer industry and homebrewing communities. Its manageable size, versatility, and wide availability make it a popular choice for bars, restaurants, events, and homebrewers alike. Understanding its name, dimensions, and applications is essential for anyone involved in the production, distribution, or consumption of kegged beverages. While other terms might be used occasionally, sticking with “sixth barrel” ensures clear communication and avoids any potential confusion in the diverse world of beer.
The Longevity of the Keg and Maintenance
Kegs, regardless of size, represent a significant investment for breweries and bars. These durable stainless-steel containers are built to last, but proper maintenance is key to maximizing their lifespan. Regular cleaning and sanitization are crucial to prevent contamination and ensure the beer dispensed remains fresh and flavorful. Damage to the keg, such as dents or leaks, needs prompt attention to avoid compromising the container’s integrity. With conscientious care, a sixth barrel keg can provide years of reliable service, contributing to the profitability and quality of the beverages it holds.
Beyond Beer: Other Beverages in Sixth Barrels
While most commonly associated with beer, sixth barrel kegs aren’t limited to just that beverage. Cideries frequently use them to distribute their ciders, offering consumers the same draft experience. Cold brew coffee, kombucha, and even wine are increasingly found in sixth barrel kegs, catering to a growing demand for on-tap alternatives. The versatility of the sixth barrel makes it a popular choice for any beverage that benefits from draft dispensing, expanding its reach beyond the traditional beer market.
Tapping a Sixth Barrel: Couplers and Connections
Tapping a sixth barrel keg requires the correct coupler, a device that connects the gas line and beer line to the keg. The most common type of coupler used for commercial kegs in the United States is the D system coupler. This coupler features a lever handle that locks onto the keg valve, allowing gas to be introduced to pressurize the keg and push the beer out through the beer line. Ensure you have the correct coupler for your keg system to avoid leaks and ensure proper dispensing.
The 5-gallon keg is a staple, it’s a great option to consider.
What is the most common name for a 5-gallon keg?
A 5-gallon keg is most commonly referred to as a “sixth barrel” keg. This name derives from the fact that it holds one-sixth of a standard US beer barrel, which contains 31 gallons of liquid. While other terms exist, sixth barrel is the industry standard and most universally understood.
Additionally, you might hear it called a “torpedo keg,” particularly among homebrewers. This nickname comes from its shape, resembling a torpedo, as some 5-gallon kegs are constructed. However, remember that “sixth barrel” remains the more professional and widely recognized term when discussing keg sizes with vendors or at commercial establishments.
How much beer does a sixth barrel keg hold?
A sixth barrel keg holds precisely 5.16 gallons of beer. While often simply referred to as holding “5 gallons,” the actual volume is slightly more to account for potential foam and optimal serving. This translates to roughly 55 twelve-ounce servings of beer.
It’s crucial to know the precise amount, especially when planning events or calculating how much beer to order. Knowing that a sixth barrel yields 55 servings allows you to accurately estimate the number of kegs needed to satisfy your guests and avoid running out prematurely.
Is a sixth barrel keg easy to transport and handle?
Yes, a sixth barrel keg is generally considered relatively easy to transport and handle compared to larger keg sizes. Its smaller size and weight make it manageable for a single person to lift and move, especially when empty or partially full. This makes it a popular choice for smaller gatherings and events where portability is a key factor.
However, it’s still essential to exercise caution when handling any keg, even a sixth barrel. Always use proper lifting techniques, such as bending your knees and keeping your back straight, to avoid potential injuries. Consider using a dolly or hand truck for longer distances or if you have any physical limitations.
What are the dimensions of a sixth barrel keg?
The approximate dimensions of a sixth barrel keg are typically around 23.3 inches in height and 9.25 inches in diameter. These measurements can vary slightly depending on the manufacturer, but they generally fall within this range. These compact dimensions are another reason why sixth barrel kegs are often favored for their portability and storage convenience.
Understanding these dimensions is helpful when planning for storage space, such as in a refrigerator or kegerator. Make sure to account for a few extra inches of clearance to allow for proper ventilation and easy access to the keg’s coupler and tap system. Always double-check the manufacturer’s specifications for the exact dimensions of the specific keg you are using.
What type of coupler does a sixth barrel keg require?
A sixth barrel keg typically requires a standard US Sankey (D system) keg coupler. This type of coupler is the most common in the United States and is used for the vast majority of domestic beers. The D system coupler features a spring-loaded valve that allows for easy connection and disconnection to the keg tap.
Before purchasing a coupler, it’s always a good idea to confirm that it is compatible with your specific keg. While the D system is the most prevalent, some imported beers or specialty kegs may require a different type of coupler. Check the keg’s specifications or consult with your beer distributor to ensure you have the correct equipment.
How long will a sixth barrel keg of beer last?
The lifespan of a sixth barrel keg depends on several factors, including the type of beer, storage conditions, and dispensing method. Generally, an unopened keg stored at proper refrigeration temperatures (around 38-40°F) can maintain its quality for several weeks, even months for some styles like stouts and porters.
Once tapped, the beer’s freshness is affected by oxidation and exposure to air. If using a CO2 system, the beer can remain fresh for 3-4 weeks. However, if using a party pump (air pump), the beer will only last for a day or two due to the introduction of oxygen. Always use a CO2 system for optimal freshness and flavor retention.
Is a sixth barrel keg a good option for homebrewing?
Yes, a sixth barrel keg is an excellent option for homebrewing, offering a convenient and efficient way to store and dispense your homemade beer. Its manageable size makes it easier to handle and store compared to larger kegs, especially for homebrewers with limited space. Furthermore, it provides a larger volume than bottles, reducing the time and effort required for bottling.
Homebrewers often appreciate the portability of sixth barrel kegs, allowing them to easily transport their beer to parties and gatherings. They are also compatible with standard kegerator systems, making it simple to enjoy your homebrewed creations on tap at home. Overall, the sixth barrel keg is a popular and practical choice for homebrewing enthusiasts.