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Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > 3/8" Ball Valve to 1/2" Quick disconnect??
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Old 04-08-2010, 04:27 PM   #1
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Default 3/8" Ball Valve to 1/2" Quick disconnect??

I have the Round Home Depot cooler converted to a mash tun (Flyguy's directions), with the 3/8" ball valve to a nipple. I recently purchased a pump, and now have all of the necessary 1/2" quick disconnects from McMaster Carr to run this between my Keggles. However, I am having an issue finding the necessary connectors to get the disconnect female end on my ball valve. What should I be looking for? Does anyone have a solution that they've already found?? I am not much of a DIY'er, but I can follow directions

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Old 04-08-2010, 04:44 PM   #2
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i just converted mine to a 1/2 ball valve with hex reducer to fit the 3/8 that was inside the cooler.

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Old 04-08-2010, 04:49 PM   #3
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I just purchased 1/2" QC for 3/8" ball valve...it should be delivered today. I'll be brewing tomorrow with it (and my new March pump) so i'll let you know how it goes.

Here's what I'm using:
6739K68 Hose Couplings For Coolant, Sleeve-lck Sckt,90 Deg Barb,3/8"cplg, 1/2" Hose Id
3 Each 3 0 $8.01

6739K57 Hose Couplings For Coolant, Plug, 3/8" Nptf Male, 3/8" Coupling Size
2 Each 2 0 $1.14

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Old 04-08-2010, 08:31 PM   #4
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smakudwn, what exactly is a hex reducer? Was this something that you were able to find at a regular hardware store? I'd definitely be willing to just changing the ball valve completely, seems like it may be the best solution as I don't want to have different size quick disconnects.

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Old 04-08-2010, 08:35 PM   #5
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Im sorry it was a bushing not a reducer
http://www.buyfittingsonline.com/fittings/item6271.htm

that is what i did, i also just ordered a 3/8 pipe nipple at the same time to get it all stainless

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Old 07-01-2010, 06:39 PM   #6
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Default Update:

The quick connects I used have a 3/8" bore so everything is the same ID size (except for the tubing which is 1/2" of course) and flows very well.

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