How to Change a Beer Keg: Everything You Need to Know

June 11, 2023

In this guide, we’ll be discussing how to change a beer keg. Whether you’re a bartender, a party host, or simply looking to get some delicious beer flowing in your home bar, knowing how to change a beer keg is an essential skill. We’ll take you through the steps of properly removing an empty keg and replacing it with a fresh one, so you can keep the beer flowing all night long. Let’s get started!

Understanding the Basics of a Beer Keg

A beer keg is a cylindrical container that holds beer. It is usually made of stainless steel or aluminum, and it can hold various volumes of beer, ranging from 5 gallons to 15.5 gallons. Kegs are commonly used in bars, pubs, and restaurants to serve beer on tap. Before changing a beer keg, it’s essential to understand the different parts of a keg.

Parts of a Beer Keg

The following are the essential parts of a beer keg:

  • Coupler: A device that connects to the keg’s valve and allows beer to flow out.
  • Valve: The opening at the top of the keg where beer flows out.
  • Spear: The tube that extends from the valve to the bottom of the keg.
  • Lid: The top of the keg that can be removed to add or remove beer.

Steps on How to Change a Beer Keg

Changing a beer keg may seem challenging, but it’s not. Here are the simple steps to follow:

Key takeaway: Changing a beer keg involves understanding the different parts of a beer keg and following the simple steps of removing the empty keg, preparing the new keg, attaching the coupler, pumping the new keg, attaching the beer lines, and turning on the faucet with proper care to prevent any damages, leaks, or contamination.

Step 1: Remove the Empty Keg

Before removing the empty keg, make sure to turn off the valve or faucet that controls the flow of beer. Use a wrench to disconnect the coupler from the empty keg’s valve. Lift the coupler and gently remove the empty keg from the tap.

Step 2: Prepare the New Keg

Check the new keg for any damages and make sure it’s clean. Remove the protective cap and open the valve to release any pressure inside.

Step 3: Attach the Coupler

Attach the coupler to the new keg’s valve by aligning the coupler’s holes with the valve’s lugs. Twist the coupler clockwise until it locks in place.

Step 4: Pump the New Keg

Use the pump handle to pump air into the new keg until the pressure gauge reads the recommended level. This process helps to dispense beer from the keg.

Step 5: Attach the Beer Lines

Attach the beer lines to the coupler’s connectors. Make sure that the beer lines are securely attached to prevent any leaks.

Step 6: Turn on the Faucet

Turn on the faucet or valve to allow beer to flow from the new keg.

Tips for Changing a Beer Keg

Here are some tips to consider when changing a beer keg:

  • Always check the expiration date of the beer before tapping a new keg.
  • Make sure to handle the keg carefully to prevent any damages or leaks.
  • Clean the coupler and beer lines before attaching them to the new keg to prevent any contamination.
  • Always use the recommended pressure level for the beer to ensure proper dispensing.

FAQs for How to Change a Beer Keg

What equipment do I need to change a beer keg?

To change a beer keg, you will need a few pieces of equipment. First, you will need a new keg to replace the empty one. You will also need a wrench or key to unlock the coupler that holds the old keg in place. Additionally, you may want to have some cleaning supplies on hand to clean the lines and taps before installing the new keg.

How do I remove the empty keg?

To remove the empty keg, turn off the keg’s CO2 supply and disconnect the coupler from the keg. You may need to use a wrench or key to unlock the coupler and release the pressure. Once the coupler has been removed, you can pull the empty keg out of the tap system.

How do I install the new keg?

To install the new keg, start by cleaning the tap and lines with warm water and a cleaning solution. Once everything is clean, slide the coupler onto the new keg and lock it into place with a wrench or key. Open the CO2 valve to pressurize the keg, and you should be good to go.

How do I know when the new keg needs to be changed?

As the beer is consumed from the new keg, the pressure inside the keg will drop. You can check the pressure gauge on the CO2 tank to see how much pressure is remaining. When the pressure drops to a certain point, the beer may start to taste flat or off. At this point, it’s time to change the keg.

What should I do with the old keg?

When you remove the old keg, be sure to dispose of it properly. Some distributors will pick up empty kegs for recycling, and some states require a deposit on the kegs. Check with your local laws or distributors to see what options are available in your area.

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