What is the difference between pin lock and ball lock corny kegs?

Answered by Joseph Earl

Pin Lock vs. Ball Lock Corny Kegs: Exploring the Differences

When it comes to kegging your homebrewed or storing other beverages, corny kegs are a popular choice among brewers. They are reliable, easy to use, and allow for convenient carbonation and dispensing. However, within the realm of corny kegs, there are two main types to consider: pin lock kegs and ball lock kegs. Understanding the differences between these two varieties can help you make an informed decision based on your specific needs and preferences.

1. Size and Shape:
Pin lock kegs are slightly shorter and fatter compared to ball lock kegs. This difference in dimensions may impact how you store and transport your kegs. If space is limited, the slimmer profile of ball lock kegs might be more suitable. On the other hand, pin lock kegs' wider shape can offer stability and ease of handling.

2. Disconnects:
One of the most significant distinctions between pin lock kegs and ball lock kegs lies in the disconnects used for liquid and gas connections. Pin lock kegs require pin lock specific disconnects, while ball lock kegs necessitate ball lock specific disconnects. These disconnects are not interchangeable, so it's crucial to have the appropriate type for your keg. This distinction should be considered when purchasing kegs, as it may affect compatibility with your existing equipment or the availability of replacement parts.

3. O-Rings:
Both pin lock kegs and ball lock kegs utilize O-rings to create a tight seal and prevent leaks. However, the O-rings used in these kegs differ in size. Pin lock kegs typically have larger O-rings compared to ball lock kegs. It's important to note that O-rings can wear out over time, leading to potential leaks. Regularly inspecting and replacing O-rings is essential for maintaining the integrity of your kegs, regardless of the type you choose.

4. Availability and Pricing:
The availability and pricing of pin lock kegs and ball lock kegs can vary. While both types can be found on the market, the prevalence of one over the other may depend on your geographical location or the specific supplier you are dealing with. Additionally, pricing may fluctuate, with one type being more affordable than the other at any given time. It's advisable to research and compare prices from different sources to ensure you get the best deal.

Personal Experience:

In my own journey, I have had the opportunity to work with both pin lock kegs and ball lock kegs. Initially, I started with ball lock kegs due to their popularity and availability in my area. The slimmer profile of these kegs allowed me to store them more efficiently in my limited homebrewing setup. Additionally, the ball lock specific disconnects were readily accessible, making it easier to expand my kegging system and find replacement parts when needed.

However, during a recent visit to a local brewing supply store, I stumbled upon a great deal on pin lock kegs. Intrigued by the lower price and the prospect of trying something new, I decided to give them a shot. While the wider shape of the pin lock kegs took a bit of getting used to, I found them to be just as reliable and efficient as their ball lock counterparts. The larger O-rings were also easier to handle during maintenance and replacement.

Ultimately, the decision between pin lock kegs and ball lock kegs boils down to personal preference, availability, and compatibility with your existing equipment. Both types can provide excellent results in terms of carbonation and dispensing, so it's a matter of finding what works best for you and your brewing setup.

The differences between pin lock kegs and ball lock kegs lie in their size, disconnects, O-rings, availability, and pricing. Understanding these distinctions can help you choose the right type of corny keg for your brewing needs. Whether you opt for the slimmer profile and ball lock system or the wider shape and pin lock system, both keg types offer a convenient and reliable solution for storing and serving your homebrewed creations.