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Old 05-11-2009, 03:57 PM   #1
jkpq45
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Default Thread pitch/count for ball-lock Corny keg gas post?

Hey All,

Looking to thread a hose barb onto the gas post of my corny keg--does anyone know the thread pitch I'll need? I'm assuming it'll be a compression thread rather than a pipe thread.

I've tried fitting a blowoff tube to the existing threads, but the hose keeps slipping off, so I'd like to adapt to a hose barb instead.

Thanks for your advice.
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Old 05-11-2009, 04:51 PM   #2
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An alternative to the hose barb: have your blow-off tube go over your "gas-in" post with the poppet removed from the post and just use a hose-clamp to secure the hose onto the post. I have done it this way and worked well for me.

Just my .02


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Old 05-11-2009, 07:44 PM   #3
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Hose clamps seems like an efficient way to go, but to answer your question see this Ball Lock to 1/4 MPT/FFL Adapters for Cornelius kegs Ball Lock Adapters for Cornelius kegs [Cornelius Keg Adapter] - $5.53 : CHI Company ball lock kegs for sale, Home brewing and vending, beer kegs, Pepsi vending machines, flavor strips and vending l
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Old 05-13-2009, 07:56 PM   #4
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I ended up installing a gas out barb and stringing a blowoff tube down to a 3-qt jug of water for blowoff. No muss, no fuss!
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Old 05-14-2009, 02:13 AM   #5
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It looks like some are 9/16 -18 tpi and others are 5/8 -18 tpi.
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