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Home Brew Forums > Home Brewing Beer > DIY Projects > Kettles, Mash Tuns, & Hot Liquor Tanks > mcmaster through-wall/bulkhead tank fittings
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Old 09-29-2009, 05:52 PM   #11
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DAMMIT. I just got done drilling my keggles with the poseur nipple bulkheads.

BTW, the website says "Requires drilling a 1.062 hole for proper installation". How did you do this?
I used a 1 1/16" bit, which is 1.0625.

-Joe
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Old 09-29-2009, 06:37 PM   #12
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I went with one of these from HomebrewHeaven for my mash tun - $30 in stainless, $10 in brass. Much better than those pipe nipple fake bulkhead fittings.







-Joe
Isn't this just a stainless bushing and lock nut?
http://www.mcmaster.com/#4452k171/=3uedbj
http://www.mcmaster.com/#4452k675/=3uedl9

Cheers,
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Old 09-29-2009, 06:38 PM   #13
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It's very similar, but two big differences: the bulkhead is a straight thread on the outside, not a tapered thread like a bushing. The bulkhead also has a machined face on the nut part for the sealing washer to bear on.

-Joe

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Old 09-29-2009, 06:49 PM   #14
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Swagelok FTMFW

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Old 09-29-2009, 06:50 PM   #15
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It's the latter feature that really matters most. Locknuts are usually over tapped so that it can spin all the way down on a typical tapered thread so that's no problem. It's just that the flat/hex diameter is usually no larger than the threads so there is no sealing surface. You can make one if you have the cajones to silver solder a flat washer against the hex.

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Old 09-29-2009, 07:33 PM   #16
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This thread couldn't come at a better time!


Pardon me if this is a stupid question:

The description for the Swagelok fitting lists the connections as male NPT and tube fitting. I've got a handle on NPT but what is the tube fitting?

thanks

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Old 09-29-2009, 07:36 PM   #17
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tube fitting is a compression fitting. The number I listed above will fit a 3/4" OD tube.

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Old 09-29-2009, 07:51 PM   #18
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bedankt!

..

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Old 09-29-2009, 08:01 PM   #19
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what initially caught my eye was the low profile and unthreaded CPVC through-wall fittings. for version 2, i'm contemplating:

- moving to a 2-3kW low density element rims system
- ditching the coolers, and moving to stainless HLT and MLT
- installing bottom drains on the HLT and MLT for complete draining
- adding some hard piping (probably CPVC)

my system works great for the actual brewing, but setup and cleaning leaves a lot to be desired. i want to line the MLT with something along the lines of the brew-in-a-bag system (while still keeping a manifold/false bottom) so when i'm done, i can just lift the spent grains out. having a bottom drain means i can just hose the interior without ever having to remove the MLT for cleaning.

p.d.

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Old 11-14-2011, 03:11 PM   #20
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Default Solderless bulkhead fitting

I am getting ready to install a solderless bulkhead fitting in my brew kettle. How high above the bottom of the kettle should I make my hole for the fitting?

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