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Old 11-28-2011, 11:18 PM   #1
Apr 2010
Posts: 124
Liked 3 Times on 3 Posts

Is there an easy/quick way to change the connection from my CO2 tank from ball lock to pin lock and pin lock to ball lock? Any pictures appreciated?

I'm considering buying pin lock kegs but want to still use my ball lock connection for my carbonator cap.


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Old 11-29-2011, 12:09 AM   #2
Nov 2010
Mahopac, NY
Posts: 2,221
Liked 61 Times on 52 Posts

Just have all your fittings flare. Get the mfl QD instead of barb QD and you can swap it out easy. Everything of mine is flare for that reason

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Old 11-29-2011, 12:52 AM   #3
Mar 2010
wichita, kansas
Posts: 135
Liked 10 Times on 4 Posts

You can also buy adapters to convert from pin lock to ball lock. They go on the posts of the keg
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Old 11-29-2011, 01:12 PM   #4
Jan 2011
York Haven, Pa
Posts: 177
Liked 4 Times on 3 Posts

why not just buy ball lock since your going to buy in the first place that way nothing needs to be changed

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Old 11-30-2011, 01:58 AM   #5
Sep 2005
Posts: 1,047
Liked 55 Times on 41 Posts

I am transitioning to using John Guest fittings (push-to-connect) for both beerline and gas line. US Plastics has a 1/4'' flare to 3/8" OD tubing connector, so I use that on my QD's, and I can just push the collar to change the fitting, rather than using a wrench.

I am also working to transition my manifolds to use the same type of fitting so that eventually all my connections will use the John Guest fitting to make changing things and moving things around easier and I don't have to worry about clamps (except for check valves on the gas line).
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